Cisco Collaboration System 10.x SRND(솔루션 참조 네트워크 설계)
Transcript of Cisco Collaboration System 10.x SRND(솔루션 참조 네트워크 설계)
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Cisco Collaboration System 10.x SRND( )
2014 4 26Cisco Systems, Inc.www.cisco.com
Cisco 200 . , Cisco www.cisco.com/go/offices .
: OL-30952-02
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Cisco Collaboration System 10.x SRND
2012-2014 Cisco Systems, Inc. .
http://www.cisco.com/go/trademarks
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Cisco xxxix
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1 1-1
Cisco 1-1 1-2 1-3 1-3
1-4 1-5
1-5 1-5
1-8
1
2 Cisco Collaboration System 2-1
2-3
2-4
2-4
3 3-1
3-4
LAN 3-4 LAN 3-4
3-4 3-7 3-9 3-11PoE(Power over Ethernet) 3-12iiiCisco Collaboration System 10.x SRND
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IP Phone 3-13LAN QoS( ) 3-14
3-16 3-18 3-19QoS IP Communications 3-19
Cisco UCS Server Unified Communications QoS 3-20 3-21Cisco UCS B-Series QoS 3-21
QoS 3-22 3-23
DNS(Domain Name System) 3-23DHCP(Dynamic Host Configuration Protocol) 3-24
TFTP( ) 3-28NTP(Network Time Protocol) 3-33
WAN 3-34WAN 3-34
3-35 3-36DMVPN(Dynamic Multipoint VPN) 3-37
Best-Effort 3-37WAN QoS( ) 3-38
3-39 3-40 3-41 3-42
3-45 3-46 3-49
LAN 3-54WLAN 3-54
3-55 LAN 3-56 3-56 3-57 3-57 3-57 3-57 3-57ivCisco Collaboration System 10.x SRND
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WLAN 3-58 3-58WLAN 3-58 3-60
WLAN 3-60WLAN 3-60
AP 3-64 LAN 3-65
WLAN QoS( ) 3-66 3-67 3-67 3-68 3-69
Cisco Medianet 3-69
3-71 3-71Mediatrace 3-73
IP SLA 3-75 3-77
3-78MSI(Media Services Interface) 3-79
3-79 3-80
4 Cisco 4-1
4-1
4-2 4-2 4-3 4-4 4-4IP 4-4IPv6 4-5
4-5 VLAN 4-5 4-7
: MAC CAM 4-7 : Gratuitous ARP 4-8 : 4-9vCisco Collaboration System 10.x SRND
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: Rogue 4-10DHCP : Rogue DHCP 4-10DHCP : DHCP 4-12DHCP : 4-12 ARP 4-13802.1X 4-14
4-15 PC 4-16PC VLAN 4-16 4-17 4-17Cisco TelePresence 4-18 4-18IP VPN 4-20 4-21
4-21VLAN 4-21 4-22
4-23 ASA 4-25 ASA 4-25ASA IME(Intercompany Media Engine) 4-26
4-27Offpath 4-27 PSTN 4-28 4-29 4-30
4-30
4-31
, 4-31 4-32 H.323 4-33 4-34Unified CM Cisco Unified Border Element 4-34
Cisco TelePresence VCS(Video Communication Server) 4-35
DMZ VCS Expressway 4-36viCisco Collaboration System 10.x SRND
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4-37Single Sign-On 4-38
Unified CM SELinux 4-38 4-38
4-39 4-39 ( ) 4-40
4-41 1: 4-42 2: 4-44
4-46
5 5-1
5-1
Cisco 5-2TDM IP 5-2Cisco 5-2Cisco 5-3Cisco TelePresence ISDN 5-3
5-3 5-4 5-4 5-6
DTMF 5-6 5-7Unified CM 5-10
5-13 5-13 5-15Unified CM 5-15
5-16Cisco IOS 5-16
5-16 5-17PSTN 5-17 PSTN 5-18AAR(Automated Alternate Routing) 5-19
5-21
5-22viiCisco Collaboration System 10.x SRND
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6 Cisco Unified CM 6-1
6-2
Unified CM 6-3
SIP H.323 6-4
SIP 6-6
SIP(Session Initiation Protocol) 6-7SIP / 6-7
SIP Delayed Offer 6-8SIP Early Offer 6-9
PRACK( ) 6-9SDP(Session Description Protocol) 6-10
SDP(Session Description Protocol) 6-11SDP(Session Description Protocol) 6-12 BFCP(Binary Floor Control Protocol) 6-14FECC(Far End Camera Control) 6-14
Unified CM SIP 6-15 Unified CM 6-15
SIP 6-15 6-16
16 SIP IP 6-17DNS SIP 6-18SIP OPTIONS Ping 6-20
Unified CM SIP Delayed Offer, Early Offer, Best Effort Early Offer 6-20Unified CM SIP Delayed Offer 6-20Unified CM SIP Early Offer 6-20
Best Effort Early Offer [ Early Offer Best Effort(MTP )] 6-23MTP-Less Early Offer, Best Effort Early Offer SME 6-25
MTP(Media Termination Point) 6-27
SIP DTMF 6-28SIP 6-30
Received Offer 6-32Cisco Unified CM Cisco Unified Border Element SIP 6-33
SIP 6-34 SIP 6-35
6-35 6-35
ID SIP 6-36 ID 6-37viiiCisco Collaboration System 10.x SRND
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SIP 6-37Cisco Collaboration System SIP 6-38SIP 6-39
Unified CM Session Management Edition 6-40
Unified CM Session Management Edition 6-41Unified CM Session Management Edition Unified CM 6-42 SME SIP 6-45
Unified CM SIP 6-49
SIP 6-51SIP 6-51SIP 6-52 Unified CM 6-53
IP PSTN IP 6-54Cisco Unified Border Element 6-54
IP-PSTN 6-55
IP PSTN 6-58
7 7-1
7-2
7-2 7-2Cisco IP Voice Media Streaming Application 7-4
7-4 7-5 7-5
7-6 7-7 7-8
MTP(Media Termination Point) 7-9
7-9DTMF 7-9 DTMF 7-10SIP 7-11
SIP MTP 7-13SIP Cisco Unified Border Element DTMF 7-14
H.323 7-14H.323 7-15H.323 7-15ixCisco Collaboration System 10.x SRND
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DTMF 7-15H.323 Cisco Unified Border Element DTMF 7-16
CTI 7-16 MTP 7-16MTP 7-17
TRP(Trusted Relay Point) 7-18
7-18
Cisco RSVP 7-19
MoH( ) 7-20 MoH 7-20MoH 7-21 7-22MoH 7-23
7-23 7-24
MoH 7-24MoH 7-25
SCCP 7-25SIP 7-28
7-32
7-33 MoH 7-33 7-33 7-35
7-36 7-36Cisco IOS (failover) 7-37 7-37 7-38
7-38 7-38
7-38 7-39 7-40
7-41 7-41
7-41 7-42MoH 7-42xCisco Collaboration System 10.x SRND
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Unified CM 7-43QoS(Quality of Service) 7-44
MoH 7-44 7-45
( ) 7-45 7-46 7-50WAN 7-51
8 8-1
8-2
8-3Cisco Unified CM(Communications Manager) 8-4Cisco TelePresence VCS(Video Communication Server) 8-5 SEC 508 8-5
8-6 8-6 8-7 8-7
8-7 8-8 8-8
8-8Cisco Unified IP Phone 7900 Series 8-9Cisco Unified IP Phone 6900 Series 8-9Cisco Unified IP Phone 8800 Series 8-10
Cisco Unified IP Phone 8900 9900 Series 8-10Cisco Unified SIP Phone 3900 Series 8-11Cisco Desktop Collaboration Experience DX600 Series 8-11Cisco IP Phone 7800 Series 8-12
Cisco 8-12 8-12PoE(Power Over Ethernet) 8-13
8-14SRST Enhanced SRST 8-14 8-15 8-15xiCisco Collaboration System 10.x SRND
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8-16 8-16
Cisco Jabber 8-16Cisco Jabber Video for TelePresence 8-17
Cisco Unified IP Phone 8900 9900 Series 8-17Cisco Desktop Collaboration Experience DX600 Series 8-17Cisco TelePresence System EX Series 8-18
Cisco TelePresence System 500 1100 8-18 8-19
Cisco TelePresence System MX Series 8-19Cisco TelePresence SX20 Quick Set 8-19Cisco Telepresence System Integrator C Series 8-20
8-20Cisco TelePresence TX9000 Series 8-20Cisco TelePresence TX1300 Series 8-20
8-21 8-21VLAN 8-22SRST Enhanced SRST 8-22 8-22 8-23 8-23
8-25Cisco IP Communicator 8-25
Cisco Jabber 8-26 8-26 8-26
8-27 8-27VLAN 8-27SRST Enhanced SRST 8-28 8-28
8-28 8-29
8-29: 8-29 8-30Bluetooth 8-30 8-31SRST Enhanced SRST 8-31xiiCisco Collaboration System 10.x SRND
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8-32
8-32Android Apple iOS Cisco Jabber 8-32Cisco Jabber IM 8-33Cisco WebEx Meetings 8-33Cisco AnyConnect Secure Mobility Client 8-33
8-34WLAN 8-34 8-34 8-35SRST Enhanced SRST 8-35 8-36
Cisco Virtualization Experience Media Engine 8-36
Cisco Virtualization Experience Media Engine 8-36 8-36SRST Enhanced SRST 8-37
IP 8-37
8-38Cisco Unified CM 8-38Cisco TelePresence VCS 8-38
8-39
8-40
9 9-1
9-2
9-2 9-3 9-4Unified CM 9-7
9-7Unified CM OVA 9-9Cisco Prime License Manager 9-10
9-12 9-14 9-15
Cisco TelePresence VCS 9-16
9-17 9-17 9-17xiiiCisco Collaboration System 10.x SRND
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Unified CM 9-18 9-18 9-21TFTP 9-24CTI 9-24 9-25
Cisco Business Edition 9-26Cisco TelePresence VCS 9-26
9-27Unified CME 9-28Unified CM 9-28
Unified CM 9-29 9-29
Cisco Business Edition 9-30Cisco TelePresence VCS 9-31
9-31CTI(Computer Telephony Integration) 9-33
CTI 9-35CTI WAN 9-36CTI 9-37CTI 9-37
CTI 9-37, 9-38
9-40
9-41Unified CM Unified CM Express 9-41
Unified CM Unified CME 9-42 SIP Unified CM Unified CME 9-43
Unified CM Cisco TelePresence VCS 9-46 9-47 9-48
10 10-1
10-1
10-2
10-3 10-3 10-4xivCisco Collaboration System 10.x SRND
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10-4
10-4 10-6 10-6 10-7 10-7 10-8
10-9 10-9
10-11 10-11
10-15 10-16 VoPSTN(Voice over PSTN) 10-22
10-22 10-24 Unified Communications 10-24Unified CM Session Management Edition 10-25
ILS(Intercluster Lookup Service) GDPR(Global Dial Plan Replication) 10-31 10-34
VPN 10-34VPN-less B2B 10-35IP PSTN 10-38
10-40 10-41
Unified CM 10-41 Unified CM 10-41
10-42
IP WAN 10-43WAN 10-44 10-44
Unified CM 10-45CDR(Call Detail Records) CMR(Call Management Records) 10-46 10-46 10-47 10-47xvCisco Collaboration System 10.x SRND
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10-47 (Failover) Unified CM 10-53 (Failover) 10-53 (Failover) 10-53 10-54
(Failover) 10-54
10-55 10-56 10-56Cisco Unified Computing System 10-56
Cisco UCS B-Series 10-57Cisco UCS C-Series 10-59
10-59
SAF(Service Advertisement Framework) CCD( ) 10-60
SAF CCD( ) 10-60SAF CCD 10-61
11 Cisco Rich Media Conferencing 11-1
11-2
11-2
Cisco Rich Media Conferencing 11-3 11-3
Ad-Hoc 11-4 (Meet Me) 11-4 11-4 11-5
11-6 11-6Ad-Hoc 11-8 11-11 11-13 11-15
11-15 11-16 11-17
Cisco Rich Media Conferencing 11-23 11-24 11-25xviCisco Collaboration System 10.x SRND
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Cisco VCS Conferencing 11-25Cisco TelePresence Conductor 11-25
Cisco Rich Media Conferencing 11-28 11-29
11-29 11-30
Cisco Rich Media Conferencing 11-33Cisco Rich Media Conferencing 11-33
Cisco 11-33 11-34 11-35
11-35 11-36 11-36 MTP 11-37 11-37Cisco Business Edition 11-37
2
12 12-1
12-2
12-3
12-3
13 13-1
13-2
13-3Cisco IOS Gatekeeper 13-3RSVP( ) 13-3Unified CM 13-4
, 13-4 13-11 CAC 13-13
CAC 13-13LBM 13-14 ( ) 13-16 13-18 13-20xviiCisco Collaboration System 10.x SRND
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CAC 13-22TelePresence CAC 13-23
13-23 13-23SIP 13-24
13-25 13-29 CAC CAC 13-34 CAC Extension Mobility Cross Cluster 13-36
13-36 13-37MPLS 13-38
TelePresence 13-42 CAC 13-42
13-42 13-43
CAC Unified CM Session Management Edition 13-44
13-44
CAC Cisco Expressway 13-47 13-47 CAC Cisco Expressway VPN 13-52
14 14-1
14-2
14-3 14-3
() 14-3 14-5
14-6 14-7 14-8 14-8
14-8 14-10 14-10 14-11xviiiCisco Collaboration System 10.x SRND
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14-13Cisco Unified Communications Manager 14-13
IP 14-13 + 14-14SCCP 14-15A SIP 14-15B SIP 14-17SIP 14-19Unified CM 14-21 + 14-23 URI 14-23 14-24Unified CM 14-25 14-34/ 14-36 ( ) 14-38 ( ) 14-38Unified CM 14-39 14-45Unified CM SIP 14-46
Cisco TelePresence Video Communication Server 14-50
Cisco VCS : SIP URI, H.323 ID E.164 14-50Cisco VCS 14-51Cisco VCS 14-51Cisco VCS 14-52
14-53Unified CM 14-53
14-54+ 14-54 14-55 14-55 () 14-56 14-57 14-57 14-59 14-60 14-62 14-67GDPR( ) 14-69xixCisco Collaboration System 10.x SRND
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Unified Communications Manager TelePresence Video Communication Server 14-71+E.164 14-72 14-72 SIP URI 14-75
14-76 14-76
PSTN 14-77 14-78 14-79 14-80
14-80 14-82Cisco Unified Mobility 14-83
14-84 14-85 14-85 CSS 14-86 14-87
ToD(Time-of-Day) 14-88 14-90
14-90 14-91 14-91 14-91 14-92 14-92 14-92
15 15-1
15-2
911 15-2PSAP(Public Safety Answering Point) 15-2
15-3 15-3PS(Private Switch) ALI 15-3
911 15-3 911 15-4xxCisco Collaboration System 10.x SRND
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15-5 ANI( ) 15-5 ANI( ) 15-7
Cisco Emergency Responder 15-7
15-9
Cisco Emergency Responder 15-9
911 15-10 15-10 15-11 15-12 15-13
15-13 15-13 15-14
Cisco Emergency Responder 15-15 15-15 15-15Cisco Emergency Responder 15-15Cisco Emergency Responder 15-16Cisco Emergency Responder - 15-16 15-17 PSAP 15-17
Cisco Emergency Responder 15-17 Cisco Emergency Responder 15-18 Cisco Emergency Responder 15-19Cisco Emergency Responder 15-22Cisco Emergency Responder WAN 15-22
ALI 15-23
16 ID 16-1
16-2
? 16-3
Unified Communications 16-4
Unified CM 16-6Cisco Unified Communications 16-7LDAP 16-10
16-14 16-16LDAP 16-17xxiCisco Collaboration System 10.x SRND
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Microsoft Active Directory 16-18Unified CM LDAP 16-19
LDAP 16-20LDAP 16-22Microsoft Active Directory 16-23
16-25Unified CM 16-25LDAP 16-26LDAP 16-26LDAP 16-26 16-28Unified CM 16-29
VCS 16-30
ID 16-30SSO(Single Sign-On) 16-31
SAML 16-33 16-38 16-39SSO 16-40
3
17 17-1
17-2
17-3
17-4
18 Cisco Unified CM 18-1
18-2
IP Phone 18-2IP 18-2IP 18-6IP 18-7IP 18-8
18-8 Unified CM 18-9 18-9xxiiCisco Collaboration System 10.x SRND
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EMCC(Extension Mobility Cross Cluster) 18-10
18-11 18-14
18-14 18-15 18-16 18-18 18-19EMCC(Extension Mobility Cross Cluster) 18-19
Unified CM Assistant 18-21
Unified CM Assistant 18-21Unified CM Assistant 18-22Unified CM Assistant 18-23Unified CM Assistant 18-23
Unified CM Assistant 18-25 18-25 18-27
Unified CM Assistant 18-28Unified CM Assistant 18-30
Unified CM Assistant Extension Mobility 18-30Unified CM Assistant 18-31
Unified CM Assistant Console 18-34
Unified CM Assistant Console 18-34Unified CM Assistant Desktop Console QoS 18-34
Unified CM Assistant Console 18-35Unified CM Assistant Phone Console QoS 18-35
WebDialer 18-36
WebDialer 18-36WebDialer 18-36 18-37WebDialer 18-39WebDialer URL 18-40
WebDialer 18-42 18-42 18-42
WebDialer 18-43WebDialer 18-44
Cisco Unified Attendant Console 18-44
Attendant Console 18-45xxiiiCisco Collaboration System 10.x SRND
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Attendant Console 18-47Attendant Console 18-47Attendant Console 18-48
Cisco Paging Server 18-49
Cisco Paging Server 18-51
19 Cisco 19-1
19-2
19-2
19-5 19-5 19-6 19-6
Unified CM 19-6Cisco Unity Connection Unified CM 19-7
19-7Cisco Unity Connection Survivable Remote Site Voicemail 19-9
19-12 19-15WAN 19-16WAN 19-18
19-19Cisco Unity Connection 19-19
Cisco Unity Connection (Failover) WAN 19-20Cisco Unity Connection WAN 19-21 Unified CM 19-23
Cisco Unity Express 19-24Cisco Unity Express 19-24 19-24
19-30Cisco Unity Express 19-30
Cisco Unity Connection 19-30Cisco Unity Connection 19-33
19-33Unified CM Cisco Unity Connection 19-33
19-34 19-35Cisco Unity Connection 19-35Cisco Unified CM 19-36xxivCisco Collaboration System 10.x SRND
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Cisco Unified CM Session Management Edition 19-37Cisco Unity Connection IPv6 19-44Cisco Unity Connection 19-45
Cisco Unity Express 19-47Unified CM 19-47Cisco Unity Express DTMF 19-48JTAPI, SIP SIP 19-48
19-49
20 Cisco IM and Presence 20-1
20-2
20-2- Cisco IM and Presence 20-3- Cisco IM and Presence 20-4
20-4SIP Unified CM 20-5SCCP Unified CM 20-6Unified CM 20-7Unified CM 20-7Unified CM 20-8
Unified CM Subscribe 20-8Unified CM 20-8
Unified CM 20-9
: Cisco IM and Presence 20-9- Cisco IM and Presence 20-10- Cisco IM and Presence 20-13- Cisco IM and Presence 20-13
- Cisco IM and Presence 20-14 - Cisco IM and Presence 20-16
- Cisco IM and Presence 20-17- Cisco IM and Presence 20-17
20-17 20-20WAN 20-20 20-22 20-26
- Cisco IM and Presence 20-27
- Cisco IM and Presence 20-28- Cisco IM and Presence 20-29xxvCisco Collaboration System 10.x SRND
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20-31- Cisco IM and Presence 20-32Outlook Web Access 20-33Exchange 20-35- Cisco IM and Presence 20-36- Cisco IM and Presence API 20-36- Cisco IM and Presence 20-39
Presence 20-40RCC( ) Microsoft Communications Server 20-40PCAP(Phone Control and Presence) IBM Lotus Sametime 20-42
20-43Cisco WebEx Messenger 20-43
Cisco WebEx Messenger 20-43 20-44Single Sign On 20-44
20-45 20-47 20-47Cisco WebEx Messenger 20-47Cisco WebEx Messenger 20-47Cisco WebEx Messenger 20-48 20-49
21 Cisco 21-1
21-3
Cisco Jabber 21-3Jabber Cisco Unified Communications Services 21-5
Jabber 21-5Jabber 21-5Jabber 21-6Jabber 21-7Jabber , 21-9Jabber 21-9
Jabber 21-10Jabber 21-10Jabber 21-11Jabber 21-12xxviCisco Collaboration System 10.x SRND
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Jabber 21-12- 21-13 21-14 - 21-15
21-16Cisco Jabber for Windows 21-16
21-17 21-17 21-18 21-18
Cisco Jabber for Mac 21-18
21-19 21-19
Cisco Jabber 21-20Cisco IM and Presence 21-20
21-20Jabber 21-20
Cisco IM and Presence XMPP 21-21Cisco WebEx Messenger 21-22
21-22Cisco WebEx Messenger 21-22Cisco WebEx Messenger 21-22Cisco WebEx Messenger XMPP 21-23 21-23
Cisco UC IntegrationTM for Microsoft Lync 21-23Cisco UC IntegrationTM for Microsoft Lync 21-25
21-25Cisco UC IntegrationTM for Microsoft Lync 21-25Cisco UC IntegrationTM for Microsoft Lync 21-26Cisco UC IntegrationTM for Microsoft Lync 21-26
Cisco UC IntegrationTM for IBM Sametime 21-26Cisco UC IntegrationTM for IBM Sametime 21-28
21-28Cisco UC IntegrationTM for IBM Sametime 21-28Cisco UC IntegrationTM for IBM Sametime 21-28Cisco UC IntegrationTM for IBM Sametime 21-29
Cisco Virtualization Experience Media Engine 21-29
( , ) 21-30Cisco Virtualization Experience Media Engine 21-30xxviiCisco Collaboration System 10.x SRND
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Cisco Virtualization Experience Media Engine 21-30Cisco Virtualization Experience Media Engine 21-31
Cisco IP Communicator 21-31
22 Cisco 22-1
22-2
Collaborative Conferencing 22-2
Cisco WebEx SaaS(Software as a Service) 22-4
22-4 22-7 22-7 22-8
Cisco WebEx Meetings 22-8
22-9Cisco Webex Cloud Connected Audio Connector 22-9
22-12 22-12
22-12
Cisco WebEx Meetings Server 22-13
22-13Cisco Unified CM 22-16 PBX 22-17IPv6 22-17 22-18 IP 22-18 22-18 22-19 22-19 22-19 22-20 22-20
Cisco WebEx Enabled TelePresence 22-21
22-21 22-23Single Sign On 22-25
22-25 22-25
SIP WebEx 22-26PSTN WebEx 22-26xxviiiCisco Collaboration System 10.x SRND
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22-27 22-29 22-29 22-30 22-30
Cisco Unified MeetingPlace 22-31
Unified MeetingPlace 22-32Unified MeetingPlace Meeting Director Server 22-32
Unified MeetingPlace ( ) 22-32 22-33WebEx 22-33 22-35 22-35Cisco Unified Communications Manager 22-45
22-46 22-46
22-47 Unified MeetingPlace 22-47 22-48 22-50 22-50 22-50
Cisco WebEx Social 22-51
22-52 22-53IM and Presence 22-55
Cisco Jabber 22-58 22-58 22-59
22-60 22-61
23 23-1
23-3
23-4 23-4
23-4 23-5
23-5xxixCisco Collaboration System 10.x SRND
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23-5EM( ) 23-8
23-8 23-9 23-10
23-10 23-11 23-12
23-12 23-12EM( ) 23-13 23-13
23-23 23-24 23-24
23-25 23-25 23-26
VPN 23-27Router-Based VPN 23-27 23-27 VPN 23-28VPN 23-29Cisco Unified Border Element 23-29Cisco Expressway 23-30Cisco TelePresence Video Communication Server Expressway 23-32
23-32 23-33 23-33
23-33Cisco Unified Mobility 23-35
23-37 23-37 23-46 23-47
Cisco TelePresence FindMe 23-48
23-48 IVR VoiceXML URL 23-49 23-49xxxCisco Collaboration System 10.x SRND
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2 23-52 23-56 23-57
Cisco Unified Mobility 23-57Cisco Unified Mobility 23-57Unified Mobility 23-62Cisco Unified Mobility 23-62Cisco Unified Mobility 23-63
Cisco Mobile 23-65Cisco 23-66Cisco 23-78Cisco 23-88Cisco 23-89Cisco 23-90
24 Cisco Unified Contact Center 24-1
24-2
Cisco Contact Center 24-2Cisco Unified CM 24-2Cisco Unified Contact Center Enterprise 24-3Cisco Unified Customer Voice Portal 24-4Cisco Unified Contact Center Express 24-6Cisco SocialMiner 24-6
24-6 24-7 24-7 24-7
Contact Center 24-8 24-8 ( ) 24-8Multisite Contact Center( ) 24-10IP WAN 24-12
Contact Center 24-13Contact Center 24-13, QoS 24-14
24-14 24-15QoS 24-15
24-15xxxiCisco Collaboration System 10.x SRND
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Unified CM 24-16Contact Center 24-16
Contact Center 24-17
Contact Center 24-18Cisco Remote Expert Smart 24-19
24-20
25 25-1
25-1
25-1SPAN 25-2Unified CM 25-3
Cisco Unified IP Phone 25-4Unified CM 25-5
Cisco MediaSense 25-8
Cisco MediaSense 25-8Agent Desktop 25-11Cisco TelePresence Content Server 25-12
Cisco TelePresence Content Server 25-13
25-14
4
26 26-1
26-2
26-2
26-3
27 27-1
27-2
27-2 27-2 27-3
27-4CPU 27-4
27-5 27-5 27-6xxxiiCisco Collaboration System 10.x SRND
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27-7 27-7 27-8
27-8 27-8 27-9
27-10
SME 27-11
VXI 27-12
Cisco Unified Communications 27-12Cisco Unified Communications Manager 27-13
27-13 27-14 27-15Cisco 27-16 27-20 27-21 CTI 27-22 27-27LDAP 27-29
Cisco Unified CM 27-30Cisco IM and Presence 27-30
27-32Cisco Expressway 27-32
27-33 27-34PSTN 27-34 27-35VAD(Voice Activity Detection) 27-35
27-36 27-36 27-36 27-37
27-38Collaborative Conferencing 27-39
27-40 27-40 27-41Unified CM 27-41xxxiiiCisco Collaboration System 10.x SRND
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Cisco WebEx Meetings Server 27-41
Unified MeetingPlace Collaborative Conferencing 27-44Cisco Prime Collaboration 27-45
Cisco Prime Collaboration 27-46Cisco Prime Collaboration 27-46Cisco Prime Collaboration 27-46
27-47Cisco Unified Communications Manager Express 27-47Cisco Business Edition 6000 27-47
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http://www.cisco.com/en/US/products/sw/voicesw/products.html
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HSRP VRRP , 1 . 3-9Cisco Collaboration System 10.x SRND
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Cisco GLBP(Gateway Load Balancing Protocol) HSRP VRRP, . HSRP VRRP .
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-
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Cisco EnergyWise Technology PoE(Power over Ethernet) Unified Communications IP . Cisco EnergyWise EnergyWise PoE . EnergyWise .
http://www.cisco.com/en/US/products/ps10195/index.html
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http://www.cisco.com/en/US/products/ps10453/prod_maintenance_guides_list.html
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http://www.cisco.com/en/US/products/ps10451/prod_maintenance_guides_list.html
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http://www.cisco.com/en/US/products/ps10326/prod_maintenance_guides_list.html
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OL-30952-02
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http://www.cisco.com/go/designzone
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OL-30952-02
http://www.cisco.com/go/designzone
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OL-30952-02
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3 LAN Cisco UCS Server Unified Communications QoS
Cisco Unified CM(Unified Communications Manager) Unified Communications VMware Hypervisor . Unified Communications . .
VMware vSphere Standard Switch
VMware vSphere VMware . vSphere Standard Switch .
VMware vSphere Distributed Switch
VMware vSphere Enterprise Plus Edition . vSphere Distributed Switch .
Cisco Nexus 1000V Switch
Cisco Nexus 1000 Virtual (1000V) Switch . Cisco Nexus 1000V VMware vSphere Enterprise Plus Edition . VMware . Cisco Nexus 1000V Series , , QoS .
. Cisco UCS B-Series UCS Fabric Extender UCS Fabric Interconnect (: Cisco UCS 6100 6200 Series) . UCS Fabric Interconnect Switch LAN FC SAN .
(: vSphere Standard Switch, vSphere Distributed Switch Cisco Nexus 1000V Switch) . Fabric Extender UCS Fabric Interconnect Switch . UCS Fabric Interconnect Switch FCoE(Fibre Channel over Ethernet) IP SAN . UCS Fabric Interconnect Switch IP IP (: Cisco Catalyst Nexus Series Switch) , SAN Fibre Channel SAN Switch(: Cisco MDS Series Switch) .3-20Cisco Collaboration System 10.x SRND
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-
3 LAN
UCS Fabric Interconnect Switch , , Cisco UCS B-Series Cisco .
. , B-Series , / UCS B-Series (, IO , Fabric Interconnects) . FCoE IP . .
QoS .
Cisco UCS B-Series QoS
Cisco UCS Fabric Interconnect Switch (: Cisco VIC ) 2 CoS QoS . CoS QoS . Cisco 3 QoS , 2 QoS . L3 Cisco UCS L2 CoS .
VMware vSphere Standard Switch, vSphere Distributed Switch, Cisco UCS Fabric Interconnect Switch
UCS L3 L2 . Cisco Cisco Nexus 1000V . , Nexus 1000V PHB EF( ) CoS 5 , PHB CS3(/ ) CoS 3 .
FCoE(Fibre Channel over Ethernet) QoS . CoS 3 . . FCoE CoS FCoE (: 2 4) .
Nexus 1000V , UCS Unified Communications . Nexus 1000V .
Nexus 1000V QoS . , CoS . , 1 CoS 1 , 2 CoS 2 . QoS . CoS . , Unified CM MoH , (: , CDR, , Web ) CoS .3-21Cisco Collaboration System 10.x SRND
OL-30952-02
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3 LAN QoS DSCP . Unified CM 9.x (IP ) DSCP . Unified CM 9.x CS4 TelePresence( ) AF41 (IP ) DSCP . 3-8 DSCP .
3-8 QoS
QoS
, IP . , . . , 2 , 2 2 . 20% . 10% 2 4 .
Campus
2925
85
Immersivevideo unit
Immersivevideo unit
IP
VideoIP phone
VideoIP phone
IP
IP phone
IP phone
CS3
Video PortalClient
StreamingServer
Encoder
Web Server/Content
Repository
AF31
AF31 AF31
CS4
EF
AF41
Pre-recorded ContentLive Content3-22Cisco Collaboration System 10.x SRND
OL-30952-02
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3 LAN IP Communications DNS(Domain Name System), DHCP(Dynamic Host Configuration Protocol), TFTP( ) NTP(Network Time Protocol) , , , .
DNS(Domain Name System)
DNS IP . DNS IP . DNS IP , .
DNS DNS . DNS IP IP Unified CM, Unified CM .
DNS Unified CM
DNS IP IP Unified CM, . Unified CM . DNS . Unified CM . IP . IP . , .
DNS Unified CM
DNS IP DNS . DNS DNS DNS DNS -IP .
Unified CM DNS .
IP
SIP IP
(SRV) SIP IP
3-23Cisco Collaboration System 10.x SRND
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3 LAN DNS .
SSO(Single Sign-On)
Jabber
DNS Unified CM DNS , Cisco Unified CM DNS , Unified CM DNS .
3-4 DNS Unified CM A ( -IP ), Cname () SRV (, ) .
Jabber Cisco Jabber DNS Configuration Guide .
http://www.cisco.com/web/products/voice/jabber.html
DHCP(Dynamic Host Configuration Protocol)
DHCP IP , , TFTP . DHCP IP . DHCP . DHCP , DHCP DHCP .
3-4 Unified CM DNS
TTL
CUCM-Admin.cluster1.cisco.com (A) 12 182.10.10.1
CUCM1.cluster1.cisco.com (A) 182.10.10.1
CUCM2.cluster1.cisco.com (A) 182.10.10.2
CUCM3.cluster1.cisco.com (A) 182.10.10.3
CUCM4.cluster1.cisco.com (A) 182.10.10.4
TFTP-server1.cluster1.cisco.com (A) 12 182.10.10.11
TFTP-server2.cluster1.cisco.com (A) 12 182.10.10.12
CUP1.cluster1.cisco.com (A) 182.10.10.15
CUP2.cluster1.cisco.com (A) 182.10.10.16
www.CUCM-Admin.cisco.com (CNAME) CUCM-Admin.cluster1.cisco.com
_sip._tcp.cluster1.cisco.com. (SRV) CUCM1.cluster1.cisco.com
_sip._tcp.cluster1.cisco.com. (SRV) CUCM2.cluster1.cisco.com
_sip._tcp.cluster1.cisco.com. (SRV) CUCM3.cluster1.cisco.com
_sip._tcp.cluster1.cisco.com. (SRV) CUCM4.cluster1.cisco.com3-24Cisco Collaboration System 10.x SRND
OL-30952-02
http://www.cisco.com/web/products/voice/jabber.html
-
3 LAN DHCP IP Communications . RFC 2131 DHCP IP Communications . IP DHCP DHCP . IP IP DHCP DHCP . DHCP DHCP . DHCP DHCP IP .
DHCP Option 150
TFTP( ) DHCP Option 150 IP .
TFTP Option 150 TFTP IP . TFTP DHCP Option 150 IP . TFTP , . TFTP DHCP TFTP Option 150 .
TFTP (: ) TFTP .
Option 150 IP (, DNS ). DNS .
IP Option 150 TFTP TFTP Unified CM . , Unified CM WAN TFTP ( ). Option 150 TFTP DHCP . TFTP ( TFTP ).
DHCP
DHCP DHCP IP (). DHCP DHCP Unified CM .3-25Cisco Collaboration System 10.x SRND
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3 LAN DHCP
DHCP . PC DHCP (: 1) . DHCP , DHCP . , DHCP DHCP (: 1) . IP DHCP . IP IP .
Cisco Unified IP Phones DHCP DHCP . DHCP IP . DHCP DHCP IP IP (, IP , , , DNS () TFTP ()). DHCP IP DHCP , IP DHCP IP Unified CM .
Cisco IOS IP Helper Address DHCP DHCP IP DHCP . IP DHCP IP , . DHCP DHCP . , DHCP 4 WAN DHCP ( 2) . WAN 2 WAN DHCP IP . WAN WAN 4 DHCP .
.
DHCP (: 8 ).
DHCP . .
DHCP (: Cisco IOS DHCP ).
WAN . IP , . DHCP , 3-27 .
WAN MAN .3-26Cisco Collaboration System 10.x SRND
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-
3 LAN DHCP
IP DHCP .
DHCP
IP DHCP . DHCP . Unified CM IP DHCP . ip helper-address . DHCP IP ip helper-address . DHCP WAN DHCP DHCP .
service dhcp Cisco IOS . . DHCP ip helper-address .
DHCP Cisco IOS DHCP
Unified CM DHCP DHCP DHCP . Cisco IOS DHCP . WAN DHCP . 3-1 Cisco IOS DHCP .
3-1 Cisco IOS DHCP
! IOS DHCP
service dhcp
! DHCP IP IP
ip dhcp excluded-address |
! DHCP , ,
! 4 TFTP
ip dhcp pool
network
default-router
option 150 ip ...
! : IP 150
! .3-27Cisco Collaboration System 10.x SRND
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3 LAN Unified CM DHCP ( Co-Resident DHCP)
DHCP , DNS / WINS(Windows Internet Naming Service) . 1000 Unified CM Unified CM DHCP . Unified CM CPU DHCP . 1000 DHCP Unified CM .
.
TFTP( )
Cisco Unified CM IP TFTP , . Cisco TFTP Unified CM . , , .
TFTP .
CTL(Certificate Trust List)
ITL(Identity Trust List)
UI( )
SIP
TFTP (: ) (: ) .
Unified CM (: SCCP SIP ), Unified CM TCP . , , URL .
TFTP Unified CM . . , (: Extension Mobility ) . (: Unified CM ) . .3-28Cisco Collaboration System 10.x SRND
OL-30952-02
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3 LAN TFTP . WAN TFTP . (WAN TFTP .) TFTP .
TFTP TFTP , , Cisco ( ) . TFTP . Unified CM DNS Unified CM . IP TFTP IP . TFTP " ." .
TFTP TFTP . , TFTP ( = 500 ). TFTP Cisco CallManager . TFTP . 1500, 3000 .
Cisco Unified IP Phones 8900 Series 9900 Series TFTP HTTP ( 6970) TFTP .
TFTP
MAC (TFTP ) . (MAC ABCDEF123456 Cisco Unified IP Phone 7961 SEPABCDEF123456.cnf.xml .) Cisco Unified CM . TFTP , .
TFTP . .
TFTP
TFTP . . TFTP .
TFTP , TFTP .3-29Cisco Collaboration System 10.x SRND
OL-30952-02
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3 LAN , TFTP . .
TFTP UDP(User Datagram Protocol) . UDP TCP( ) . , UDP . RFC 1350 TFTP . , TFTP ( 3-9 ).
3-9 TFTP
( 4) . 5 TFTP . TCP .
TFTP .
3-10 40ms . 12% TFTP . 30ms( 3-9) 4160ms( 3-10) .
3-10 TFTP 19
1938
Round Trip Time = 10ms
Time = 10ms
Time = 20ms
Time = 30ms
Read Request
Data Packet
Acknowledgement
Data Packet
Acknowledgement
Data Packet
1919
39
Round Trip Time = 40ms
Time = 40ms
Time = 80ms
Time = 4 sec + 120ms = 4120ms
Read Request
Data Packet
Acknowledgement
Data Packet
Acknowledgement
Data Packet
Acknowledgement
4 second timeout (Packet loss)3-30Cisco Collaboration System 10.x SRND
OL-30952-02
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3 LAN TFTP .
FileTransferTime = FileSize [(RTT + ERR Timeout) / 512000]
FileTransferTime .
FileSize .
RTT ().
ERR .
Timeout .
512000 = (TFTP ) ( 1000) = (512) ( 1000)
Cisco Unified IP Phone 7.x 10. . TFTP 61 8.x .
TFTP TFTP . TFTP WAN Unified CM , Cisco Integrated Services Router(ISR) TFTP " " . TFTP TFTP (Unified CM ) Load Server . TFTP Load Server Cisco Unified IP Phone (http://www.cisco.com).
, (SCCP, MGCP SIP) . TFTP . TFTP / .
TFTP
Option 150 DHCP IP 2 . TFTP . TFTP TFTP .3-31Cisco Collaboration System 10.x SRND
OL-30952-02
http://www.cisco.com
-
3 LAN TFTP
TFTP . :
10.1.1.0/24: Option 150: TFTP1_Primary, TFTP1_Secondary
10.1.2.0/24: Option 150: TFTP1_Secondary, TFTP1_Primary
10.1.1.0/24 TFTP1_Primary TFTP , 10.1.2.0/24 TFTP1_Secondary TFTP . TFTP1_Primary TFTP1_Secondary TFTP .
TFTP . TFTP Unified CM . TFTP .
TFTP
VLAN . VLAN TFTP . TFTP TFTP TFTP .
TFTP TFTP . Cisco Unified CM 5.0 TFTP TFTP . TFTP HOST . TFTP . (failover) .
3-11 . 3 1 (C1_TFTP_Primary) TFTP . TFTP . TFTP (C1_TFTP_Secondary) TFTP .3-32Cisco Collaboration System 10.x SRND
OL-30952-02
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3 LAN 3-11 TFTP
NTP(Network Time Protocol)
NTP . NTP . , . . CDR( ) .
Unified CM NTP
Unified CM . IPSec CDR .
Unified CM NTP . NTP . . Stratum-1, Stratum-2 Stratum-3 NTP .
1533
71
M
M
M M
M
IP
C2_TFTP_Primary
Proxy requests toalternate TFTP hosts
C3_TFTP_Primary
C1_TFTP_Primary C1_TFTP_Secondary
TFTP request to Cisco Unified CM TFTP server identifiedvia DHCP Option 150
M
M
M M
M
M
M
M M
M
3-33Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN Unified CM Cisco IOS Linux NTP . Windows SNMP(Simple Network Management Protocol) Linux Unified CM SNTP Windows NTP .
, NTP NTP v4( 4) . IPv6 NTP NTP v4 .
Cisco IOS CatOS NTP
. Cisco IOS Catalyst NTP . , syslog . .
WAN WAN Unified Communications . WAN . WAN WAN QoS . .
WAN , 3-34
WAN QoS( ), 3-38
, 3-45
WAN WAN . WAN , , WAN . .
, 3-35
, 3-36
Best-Effort , 3-373-34Cisco Collaboration System 10.x SRND
OL-30952-02
-
3 WAN
WAN , . . WAN WAN . WAN . . WAN , 3 . .
WAN MPLS VPN . Unified CM WAN . WAN .
WAN . WAN RSVP( ) . , 13-1 .
RSVP(Multiprotocol Label Switching) , 10-1 .
WAN . / WAN . WAN . . .
LAN WAN . QoS WAN WAN . . . .
WAN WAN . , SRST(Survivable Remote Site Telephony) Cisco Unified CME(Unified Communications Manager Express) , DHCP , . . WAN .3-35Cisco Collaboration System 10.x SRND
OL-30952-02
-
3 WAN WAN WAN G.729 . . MoH . .
QoS Best-Effort iLBC(Internet Low Bit Rate Codec) . 3-7 .
IP
ITU( ) G.114 150 . WAN . 150 WAN , . 150 VoIP .
. WAN . WAN .
ATM( )
ATM/
MPLS(Multiprotocol Label Switching)
Cisco Voice and Video Enabled IP Security VPN(IPSec V3PN)
. WAN . . , , CIR( ) WAN , WAN , .3-36Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN DMVPN(Dynamic Multipoint VPN)
DMVPN Cisco Unified Communications . WAN / . DMVPN . . DMVPN -- RTP () . DMVPN 100ms .
DMVPN WAN Cisco Unified Communications Voice over Spoke-to-Spoke DMVPN Test Results and Recommendations
. http://www.cisco.com/go/designzone.
Best-Effort
WAN . , , , QoS .
WAN Best-Effort .
DSL
. . , , , . , , Best-Effort . Best-Effort .
DSL QoS , . Best-Effort QoS SLA( ) QoS .3-37Cisco Collaboration System 10.x SRND
OL-30952-02
http://www.cisco.com/go/designzone
-
3 WAN QoS . Voice over Wireless LAN QoS Voice over Wireless LAN Design Guide . http://www.cisco.com/en/US/solutions/ns340/ns414/ns742/ns818/landing_wireless_uc.html.
WAN QoS( ) . . . LAN .
, WAN WAN .
, WAN . , LFI( ) .
QoS , . 3-5 WAN QoS .
3-5 WAN Unified Communications QoS
WAN : 56kbps ~ 768kbps : 768kbps
MLP(Multilink Point-to-Point Protocol)
MLP LFI( )
LLQ(Low Latency Queuing)
: cRTP(compressed Real-Time Transport Protocol)
LLQ
FR( )
LFI(FRF.12)
LLQ
: cRTP
: VATS(Voice-Adaptive Traffic Shaping)
: VAF(Voice-Adaptive Fragmentation)
LLQ
: VATS
ATM( ) TX-ring
MLP over ATM
MLP LFI
LLQ
: cRTP(MLP )
TX-ring
LLQ3-38Cisco Collaboration System 10.x SRND
OL-30952-02
http://www.cisco.com/en/US/solutions/ns340/ns414/ns742/ns818/landing_wireless_uc.html
-
3 WAN WAN .
, 3-39
, 3-41
, 3-42
WAN . IP WAN LLQ( ) . , , , Best-Effort 64 .
3-12 .
3-12 WAN VoIP
ATM SIW(Service Inter-Working)
TX-ring
MLP over ATM FR
MLP LFI
LLQ
: cRTP(MLP )
TX-ring
MLP over ATM FR
LLQ
MPLS(Multiprotocol Label Switching)
3-5 WAN Unified Communications QoS ()
WAN : 56kbps ~ 768kbps : 768kbps
Low latency queuing
PQ Voice
PQ Voice
Class = X
Class = Y
Default
CBWFQ Fragment
Interleave
WFQ
2 2
1 1 1 1
0 0 0 0
3 3
44 4
0 4 3 2 1 1
7729
5
Packets out
Packets outTXring
Link fragmentationand interleave
Layer 2 queuing subsystemLayer 3 queuing subsystem
Packets in
Police3-39Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN LLQ .
DSCP(Differentiated Services Code Point) 46 PHB(Per-Hop Behavior) EF.
DSCP 34 PHB AF41. 768Kbps WAN . , . 768Kbps CBWFQ(Class-Based Weighted Fair Queue) .
(: ) CBWFQ .
WAN IP IP WAN . H.323, MGCP SCCP(Skinny Client Control Protocol) CBWFQ(Class-Based Weighted Fair Queue) . DSCP 24 PHB CS3.
Cisco DSCP 26(PHB AF31) DSCP 24(PHB CS3) . DSCP 26(PHB AF31) AF31 CS3 .
Best-Effort . , . FIFO(). . TCP( ) , 3 DSCP/PHB .
Best-Effort . WFQ(Weighted Fair Queuing) .
Best-Effort . , . , .
DSCP CS1 .
. , Cisco IOS 1% CBWFQ .3-40Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN
WAN .
cRTP(compressed Real-Time Transport Protocol)
cRTP(compressed Real-Time Transport Protocol) . 40 IP, UDP(User Datagram Protocol) RTP 2~4 . cRTP . cRTP .
33% .
(: G.729) .
(: ) .
cRTP . cRTP CPU .
ATM SIW(Service Inter-Working) cRTP MLP(Multilink Point-to-Point Protocol) .
cRTP , LLQ . cRTP Cisco IOS 12.(2)2T LLQ . 12.(2)2T Cisco IOS LLQ . . 3-6 512kbps G.729 10 .
3-6 cRTP G.729 24kbps , cRTP G.729 10kbps . IP/UDP/RTP . 2 . WAN 2 .
cRTP Cisco IOS 12.2(13)T cRTP . cRTP . show policy interface . cRTP IP/RTP .
V3PN(Voice and Video Enabled IPSec VPN) cRTP V3PN .
http://www.cisco.com/en/US/solutions/ns340/ns414/ns742/ns817/landing_voice_video.html
3-6 512kbps G.729 10 LLQ
Cisco IOS cRTP cRTP
12.2(2)T 240kbps 240kbps1
1. 140kbps LLQ .
12.2(2)T 240kbps 100kbps3-41Cisco Collaboration System 10.x SRND
OL-30952-02
http://www.cisco.com/en/US/solutions/ns340/ns414/ns742/ns817/landing_voice_video.html
-
3 WAN LFI( )
(768kbps ) LFI( ) . 3-13 . MLP(Multilink Point-to-Point Protocol) LFI (, ATM SIW) FRF.12 .
3-13 LFI( )
VAF(Voice-Adaptive Fragmentation)
LFI , VAF(Voice-Adaptive Fragmentation) LFI . VAF FRF.12 LFI , LLQ H.323 . WAN . WAN .
VAF VATS(Voice-Adaptive Traffic Shaping) (VATS(Voice-Adaptive Traffic Shaping), 3-44 ). VAF LFI . LFI VAF . ( 30) VAF LFI . VAF Cisco IOS 12.2(15)T .
, (: ATM ) .
3-14 IP WAN .
Voice
VoiceData Data Data
Data
Before
After
214-ms serialization delayfor 1500-byte frame at 56 kbps
7729
6
3-42Cisco Collaboration System 10.x SRND
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3 WAN 3-14 ATM
3-14 .
1.
(: T1 ), (: 64kbps). , .
2.
ATM . , T1 WAN , T1 . , .
Central Site
Frame Relayor ATM
64kbps T1 T1 T1
T1
Remote Sites 2539
22
CIR = 64 kbps
Line speed mismatch
Remote to central siteover-subscriptionTo prevent bursting aboveCommitted Rate (CIR)
1
2
3
Traffic Shaping: Why?
1 2 33-43Cisco Collaboration System 10.x SRND
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3 WAN 3. CIR( )
CIR . CIR . , T1 CIR 64kbps . 64kbps WAN "discard eligible( )" . .
WAN . 3-15 , R .
3-15
VATS(Voice-Adaptive Traffic Shaping)
VATS WAN PVC(Permanent Virtual Connection) . LLQ H.323 VATS . PVC CIR . PVC CIR( ) WAN . PVC VATS WAN CIR . WAN .
VATS VAF(Voice-Adaptive Fragmentation) (LFI( ), 3-42 ) WAN CIR .
VAF VATS . CIR . . ( 30) . VATS WAN . VATS Cisco IOS 12.2(15)T .
LineRate
R
without Traffic Shaping
with Traffic Shaping
7729
8
3-44Cisco Collaboration System 10.x SRND
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3 WAN VATS(Voice-Adaptive Traffic Shaping) .
http://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ft_vats.html
IP . (: , ) . , 75% . 75% 2 . 3-16 .
3-16
, 75% LLQ 33% . 33% . , 33% CPU . 50 (20ms ) CPU . (: ) FIFO() QoS . FIFO QoS . 33% . (192kbps ) 33% 33% . 33% .
Video
0.75 x link capacity Reserved
Link capacity
Voice/VideoControl
Data Routingetc.
Voice
7729
1
3-45Cisco Collaboration System 10.x SRND
OL-30952-02
http://www.cisco.com/en/US/docs/ios/12_2t/12_2t15/feature/guide/ft_vats.html
-
3 WAN IP .
RTP(Real-Time Transport Protocol) .
(: H.323, MGCP, SCCP (J)TAPI) . , , , .
. WAN ( ) WAN , .
.
WAN ( , 3-46 )
WAN ( , 3-50 )
WAN ( , 3-53 )
.
, 3-46
, 3-49
3-17 VoIP(Voice-over-IP) , IP , UDP(User Datagram Protocol) , RTP(Real-Time Transport Protocol) 2 . SRTP(Secure Real-Time Transport Protocol) 4 . 2 .
3-17 VoIP
Voice payload
RTPHeader
UDPHeader
IPHeader
LinkHeader
VoIP Packet
X bytes 12 bytes 8 bytes 20 bytes X bytes
7729
2
3-46Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN VoIP () .
2 (kbps) = [( ) ( X + RTP/UDP/IP 40 + 2 Y) 8] / 1000
3 (kbps) = [( ) ( X + RTP/UDP/IP 40) 8] / 1000
= [1/( (msec))] 1000
() = [( (kbps) ( (msec))] / 8
3-7 VoIP 3 . 3-7 50 33.3pps IP . 3-7 2 , cRTP(compressed Real-Time Transport Protocol) . Unified CM Administration .
3-7 IP
()
G.711 G.722-64k 20ms 160 50.0 80.0kbps
G.711 G.722-64k(SRTP) 20ms 164 50.0 81.6kbps
G.711 G.722-64k 30ms 240 33.3 74.7kbps
G.711 G.722-64k(SRTP) 30ms 244 33.3 75.8kbps
iLBC 20ms 38 50.0 31.2kbps
iLBC(SRTP) 20ms 42 50.0 32.8kbps
iLBC 30ms 50 33.3 24.0kbps
iLBC(SRTP) 30ms 54 33.3 25.1kbps
G.729A 20ms 20 50.0 24.0kbps
G.729A(SRTP) 20ms 24 50.0 25.6kbps
G.729A 30ms 30 33.3 18.7kbps
G.729A(SRTP) 30ms 34 33.3 19.8kbps3-47Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN 2 . 3-8 2 .
30ms . 3-18 CPU . IP . . . 20ms 30ms . 40ms .
3-8 2
14
PPP6
ATM48 53
4
MLPPP10
MPLS4
WLAN24
50.0pps G.711 G.722-64k
85.6kbps 82.4kbps 106.0kbps 81.6kbps 84.0kbps 81.6kbps 89.6kbps
50.0pps G.711 G.722-64k(SRTP)
87.2kbps 84.0kbps 106.0kbps 83.2kbps 85.6kbps 83.2kbps
33.3pps G.711 G.722-64k
78.4kbps 76.3kbps 84.8kbps 75.7kbps 77.3kbps 75.7kbps 81.1kbps
33.3pps G.711 G.722-64k(SRTP)
79.5kbps 77.4kbps 84.8kbps 76.8kbps 78.4kbps 76.8kbps
50.0pps iLBC 36.8kbps 33.6kbps 42.4kbps 32.8kbps 35.2kbps 32.8kbps 40.8kbps
50.0pps iLBC(SRTP)
38.4kbps 35.2kbps 42.4kbps 34.4kbps 36.8kbps 34.4kbps 42.4kbps
33.3pps iLBC 27.7kbps 25.6kbps 28.3kbps 25.0kbps 26.6kbps 25.0kbps 30.4kbps
33.3pps iLBC(SRTP)
28.8kbps 26.6kbps 42.4kbps 26.1kbps 27.7kbps 26.1kbps 31.5kbps
50.0pps G.729A 29.6kbps 26.4kbps 42.4kbps 25.6kbps 28.0kbps 25.6kbps 33.6kbps
50.0pps G.729A(SRTP)
31.2kbps 28.0kbps 42.4kbps 27.2kbps 29.6kbps 27.2kbps 35.2kbps
33.3pps G.729A 22.4kbps 20.3kbps 28.3kbps 19.7kbps 21.3kbps 19.8kbps 25.1kbps
33.3pps G729A(SRTP)
23.5kbps 21.4kbps 28.3kbps 20.8kbps 22.4kbps 20.8kbps 26.2kbps3-48Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN 3-18 :
. (, ) .
2 20% . 20% , ATM, , PPP, HDLC .
(: 128kbps, 256kbps ) . .
Unified Communications WAN Unified Communications WAN . WAN . Unified Communications , 10-1 .
1144
70
Trade off
0
5
10
15
20
25
30
35
40
45
50
10 ms 20 ms 30 ms 40 ms
Sample Size
Pac
ketiz
atio
n D
elay
(ms)
0
20
40
60
80
100
120
Pac
kets
per
sec
on
d
Packetization Delay Packets per second3-49Cisco Collaboration System 10.x SRND
OL-30952-02
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3 WAN
Unified CM (: ) , IP WAN . Unified CM .
.
IP WAN Unified CM .
IP WAN SCCP( ), SIP( ), H.323, MGCP CTI-QBE. Unified CM .
RSVP Unified CM Cisco RSVP SCCP .
WAN .
WAN .
(, Cisco RSVP ) Unified CM . .
, , Unified CM . .
IP . 10 .
, 3-51 .
.
1A: SCCP .
(bps) = 265 ( IP )
1B: SIP .
(bps) = 538 ( IP )
SCCP SIP .3-50Cisco Collaboration System 10.x SRND
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3 WAN 1 25% . . . Cisco IOS CBWFQ(Class-Based Weighted Fair Queuing) 64 . . "" . 64 Best-Effort . 25% . .
exchanged between Unified CM . .
2A: SCCP .
(bps) = 415 ( IP )
2B: SIP .
(bps) = 619 ( IP )
Cisco IOS 8kbps 3-9 .
RSVP Cisco RSVP 3-9 . , 10% WAN 3-9 1.1 .
10 . (: ) . (CH) .
3-9 3
(IP )
SCCP ( )
SCCP ( )
SIP ( )
SIP ( )
1 ~ 10 8kbps 8kbps 8kbps 8kbps
20 8kbps 9kbps 11kbps 12kbps
30 8kbps 13kbps 16kbps 19kbps
40 11kbps 17kbps 22kbps 25kbps
50 14kbps 21kbps 27kbps 31kbps
100 27kbps 42kbps 54kbps 62kbps
150 40kbps 62kbps 81kbps 93kbps3-51Cisco Collaboration System 10.x SRND
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3 WAN 3A: SCCP .
(bps) = (53 + 21 CH) ( IP )
3B: SIP .
(bps) = (138 + 40 CH) ( IP )
4A: SCCP .
(bps) = (73.5 + 33.9 CH) ( IP )
4B: SIP .
(bps) = (159 + 46 CH) ( IP )
3A 4A SCCP 30 , 3B 4B SIP 120 .
,
CH( ) CH . . WAN . 3 4 CH .
CHS = CHL ( ) / ( )
CHS 3 4 , CHL . , 6 5 , 2 4 .
= 5
= (4 2 , 3 ) = (2 4) + 3 = 11
CHL = 6
CHS = 6 (11 / 5) = 13.2
Unified CM . Unified CM 100Mbps . 100Mbps WAN .
WAN . Cisco IOS 64. WAN . .3-52Cisco Collaboration System 10.x SRND
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3 WAN .
SCCP : 13
SIP : 11
, SCCP 6 78 . 3-10 .
2 WAN .
MPLS 3 WAN . .
IP WAN . Unified CM , . .
.
WAN H.323 SIP.
Cisco IOS Unified CM Unified CM .
Unified CM WAN Unified CM WAN . WAN .
WAN .
Unified CM .
.
Unified CM (: Cisco RSVP ) .
, , .
3-10
( )
SCCP SIP
5 65 55
10 130 110
15 195 165
20 260 220
25 325 2753-53Cisco Collaboration System 10.x SRND
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3 LAN . WAN (: , ) . WAN .
2 100% 30 . .
6: .
(bps) = 116 ( )
Cisco IOS 8kbps 8kbps 70 . .
LAN LAN WLAN( LAN) . Cisco Unified WLAN , WLAN . LAN WAN WLAN . WLAN QoS . .
WLAN , 3-54
WLAN , 3-58
WLAN , 3-60
WLAN , 3-60
LAN Real-Time Traffic over Wireless LAN Solution Reference Network Design Guide .
http://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/RToWLAN/CCVP_BK_R7805F20_00_rtowlan-srnd.html
WLAN IP . IP IP - IP .
IP IP . IP IP 802.11 IP . .3-54Cisco Collaboration System 10.x SRND
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http://www.cisco.com/en/US/docs/solutions/Enterprise/Mobility/RToWLAN/CCVP_BK_R7805F20_00_rtowlan-srnd.html
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3 LAN LAN 3-19 .
, 3-55
LAN , 3-56
, 3-56
, 3-57
, 3-57
, 3-57
3-19
(WLAN Unified Communications ) . . Cisco WLC( LAN ) . WLC , WLC LWAPP(Lightweight Access Point Protocol) CAPWAP(Control and Provisioning of Wireless Access Points) .
M
Mobile CollaborationEnterprise Tablets
Switch
Cisco WirelessLAN Controller
Router
Active Directory(LADP)
Switch
Switch
Cisco UnifiedCM
IP
IP Phone
2842
66
CiscoWirelessIP Phone
Wireless IPSoftwareVoice and
Video Client
Wireless Access Points
Wireless LAN controllers
Authentication Database
Wireless Unified Communications endpoints
Supporting wired network
Wired network call elements
Dual-ModeSmart Phones
CiscoAccess PointCAPWAP CAPWAP
CiscoAccess Point3-55Cisco Collaboration System 10.x SRND
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3 LA