BCN core...
Transcript of BCN core...
![Page 1: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/1.jpg)
Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS
BCN core 네트워킹 QoS 보장 기술
2005.1.27
한국전자통신연구원
광대역통합망연구단
![Page 2: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/2.jpg)
1Proprietary
목차목차
BcN
QoS 보장 기술
QSS Solution
Application
![Page 3: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/3.jpg)
2Proprietary
BcN서비스방향BcN서비스방향
Corporate/ & High-End SMEs
Corporate/ & High-End SMEs
ResidentialResidential
SMESME PersonalPersonal
Packet Voice Service
Business Service (LL/VLL, VPN, Managed Service)
Value-added Service
Multimedia
Mobility, Personalization, DMB
•Broadband•QoS(Connection-Oriented)
유무선/통방 융합
Anytime, Anywhere & Any Devices Ubiquitous
도입단계
성숙단계
발전단계
![Page 4: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/4.jpg)
3Proprietary
BcN 기본구조BcN 기본구조
MobilityPersonalization
More BandwidthGuaranteedConverged
IT Contents Service
Access Network
Managed IP Network
• xDSL, Ethernet• WLAN• Mobile
응용계층응용계층
전달계층(코어)
전달계층(코어)
CustomerCustomer
MPLS-based Connections
OAM&P보안IPv6
/MulticastQoS
전달계층(액세스)
전달계층(액세스)
SoftswitchCall control
QoS Manager
제어계층
제어계층
운용관리계층
운용관리계층
![Page 5: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/5.jpg)
4Proprietary
BcN구축요건BcN구축요건BcN 요구사항
Broadband
Quality of Service
IPv6
Open API
전달망 요구사항
More “Reliable & Manageable”Centralized Control
Service : Legacy + New Service
Network Element : Simple
전자정부망
장애대응체계
자동복구
신고하지 않아도 자동보상 되는 SLA
![Page 6: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/6.jpg)
5Proprietary
라우터기술추세라우터기술추세
지난 30년간시장요구사항수용을위해 끊임없는기술보완
(Cisco는 ’03년 IIN 개념, ’04년 CRS New Router 발표 : Lock-In Policy)
(~ RFC ?????)
(~ RFC 3810)
(~ RFC 2702)
(RFC 1 ~ RFC 2136)
1969 2004. 6 Time1996 1999
•ATM•FR
•T.E•CoS
전송품질
Complex
10-3 ~ 10-4
10-6 ~ 10-7
10-8 ~ 10-12
•QoS •통신 = Cisco•PC = Microsoft
• RFC(Request for comment) : 라우터가 수용해야 할 표준안• IIN : intelligent Information Network• CRS : Carrier Router System (640GB ~ 92TB) – 끊임없는 Over-Provisioning 필요
![Page 7: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/7.jpg)
6Proprietary
진화의방향 - 2010년기술예측진화의방향 - 2010년기술예측
Vision : Ubiquitous Communication
Telephone Age
Internet Age
Interactive Age
Advantage• Quality• Reliability
Disadvantage• Cost• Complexity
Advantage• Global Connectivity• Low CostDisadvantage
• Quality• Security• Less Business Model
Client-Server End-to-End
5 ~ 10 Years(Broadband, Mobility)
Until Now
Until Now
FutureFuture
Centralized TypeCentralized TypeDistributed Type Distributed Type
New IP
ATMfailed
= BcN(≠ IP Upgrade)
[출처 : NTT: Resonant Network Vision]
![Page 8: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/8.jpg)
7Proprietary
BcN 서비스및품질관리요소BcN 서비스및품질관리요소
SLA관점의 성능 파라미터 특성
Class Bandwidth Availability Loss Rate Delay JitterVoIP
Video Telephone
멀티미디어서비스
:
VLL
L2/3VPN
단계적정의
![Page 9: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/9.jpg)
8Proprietary
Packet Network의 AvailabilityPacket Network의 Availability
성숙 곡선
구 분 네트워크 가용성 수준 성숙기간
TDM, SDH 현재 : 99.999 % 15년
현재 : 99.x % < 5년
목표 수준 : 99.999 % ?IP
[자료 : BCR, 2002.6]1 3 5 7 9 11 13 15
99.999%
Net
wor
k A
vaila
bilit
y
2002
IPTDM, SDH
200499.x%
Year
![Page 10: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/10.jpg)
9Proprietary
Managed IP – Controllable IPManaged IP – Controllable IP
Decoupling & CentralizationStableScalableEfficient
Intelligence
ComplexNetwork
Switch
Service
Switching
Transport
• Simple• Reliable• Inter-Operable• Integrated Control
•Topology Management•Resource Management•Policy Management•SLA Management•Network Security Management•Global Mobility Management
SimpleNetwork
Service Edge
Softswitch
Switch
SwitchingTransport
Operator
ControlPlatform
Proper Signaling
![Page 11: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/11.jpg)
10Proprietary
Managed IP - QoSManaged IP - QoSAdmission Control – Based on SLS given by operator
Resource Allocation – Based on monitored SLS
Traffic Control – Micro flow, Packet based WFQ
Diffservnetwork
Diffservnetwork
AF 100 Mbit/sAF 100 Mbit/s
AF 100 Mbit/s
AF 100 Mbit/s
AF 100 Mbit/s
AF 10 Mbit/sVideoserver B
Videoserver A
Videoclient A
Videoclient B
Videoclient C
50M
10M
Resource Mediator(QoS Manager,
Bandwidth Broker)
서비스 불가
50M
Server B -> Client B : 50M
![Page 12: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/12.jpg)
11Proprietary
Managed IP – OAM & StatisticsManaged IP – OAM & StatisticsSLA 기반 보장 서비스
Standard Time
Identifier Availability Bandwidth Performance Delay Jitter Loss Rate
전달망
Connection ID : 5OAM OAM
OAM Frame Insertion
OAM Frame Processing
[Statistics for SLA]
• Statistics• Trap (MPLS, VLAN Fault)
NTP
MPLS OAM and Statistics per LSP
VLAN OAM and Statistics per VLAN (Delay, Jitter, Time to Fault and Recovery)
Connection별 품질 지표
![Page 13: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/13.jpg)
12Proprietary
Managed IP – Network ReliabilityManaged IP – Network Reliability
Reliable Return Path
LSP level : Continuity Check (including Post-protection)
Link/Node Level : FIS (Fault Indication Signal)
Requirement of Reliable Return Path : No sharing of Link/Node for a LSP
IngressIngress EgressEgress
OAM Packet OAM Packet
OAM Packet은 Transit
Return Path필요시 Backward Reporting (Ping, Traceroute, BDI, 등)
LSP
BcN Domain제어플랫폼
• Periodic Reporting• Polling/Trap• Diagnosis
![Page 14: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/14.jpg)
13Proprietary
<Traditional IP>-Distributed Topology discovery-IP Reachability Management-Data Forwarding-Diffused Fault Recovery
<IP/MPLS>-Distributed Topology discovery-IP Reachability Management-Diffused Fault Recovery-Data Forwarding+ Diffserv Data Forwarding+ Flow control+ Statistics+ Policy-based TE+ Signaling+ OAM+ Resource discovery+ Mobility+ VPN Control+ Security
IP+MPLSMore complex !
<Managed IP>-Inter-subnet IP Reachability-Localized Fault Recovery-Scalable end-to-end OAM-Flow-based QoS Forwarding-Flow-based Statistics
(IP+MPLS)’=Managed IP
NetworkControlPlatform
•Topology Management•Resource Management•Policy Management•SLA Management•Network Security Management•Global Mobility Management
Decoupling & Centralization
Managed IP – ConceptManaged IP – Concept
![Page 15: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/15.jpg)
14Proprietary
라우터망에서 QoS도입시도라우터망에서 QoS도입시도
Best Effort IP
T.EIntServ DiffServ
•망의 부하 분산을
통한 품질 개선
•등급 단위의 단순
차별 전달 서비스
(제한적 CoS)
•QoS 도입 노력
포기
• ATM 방식(End-to-EndConnection)
•신호 오버헤드로Scalability 없음
한계
한계: DiffServ +
Cisco, Juniper
• DiffServ over MPLS• DiffServ-aware TE
New Approach
• IP Session별 품질 보장
• PS 기반 중앙 집중 제어
Microflow별 QoS 보장
IP Flow/Sessionbased TE
VS.
ETRI + Caspian
DiffServ over MPLS(RFC 3270)
DiffServ-aware MPLS TE (RFC 3564)
Flow/Session-based TE (NEW)
![Page 16: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/16.jpg)
15Proprietary
Flow/Session -Level IntelligenceFlow/Session -Level Intelligence
Flow-State RouterConventional Router
PortClass
Knowledge of class/aggregate only
PortClass
Knowledge of flows inside aggregate
Per Flow Treatment Under CongestionFairness modelsRate guarantees for flowsTarget specific flows for discard (misbehaving flows)Per-flow shaping, policing, CAC
Random Discard Under CongestionAll flows get same treatment Misbehaving flows impact well-
behaved flows
Limitations of policy-based QoS !
Ref.) Caspian Networks
![Page 17: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/17.jpg)
16Proprietary
Flow-based Switching 개념Flow-based Switching 개념
Traditional Router 특성
제한적인 Class of Service
Best Effort
Non-Guaranteed
Caspian’s Flow Router 특성
1.5M per Sec. 신규 Flows 생성
Concurrent 6M Flows per 10Gbps
Intelligent Policing, Shaping
Packet 순서 및 Delay / Jitter 보장
Best of Both ATM and IP
Call/Sec BW Guarantee Delay Guarantee
Flow Switching 1,500,000+ YES YES
IP Routing NA NO NO
ATM Switching 수천개 YES YES
COS
Micro-flow
.
.
.600만개
![Page 18: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/18.jpg)
17Proprietary
CoS와 Micro-flow의개념비교CoS와 Micro-flow의개념비교
CoS (Class of Service)
Micro-flow
COS
B.E
Microflow
.
.
.600만개
![Page 19: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/19.jpg)
18Proprietary
End-to-End QoS보장을위한방안End-to-End QoS보장을위한방안QoS 관리
Provisioning Server : 망차원에서 QoS 보장
Microflow 기반스위치 : 노드내에서데이터 QoS 보장
Congestion
End-to-End QoS 필요 : PS
Node 내의 End-to-End QoS : Flow
Node
PS
NodeNode
Micro-flow base QoS 관리의장점
Premium Flow 2
GR Flows
Premium Flow 1
Premium Flow 4
Premium Flow 3
각 Flow별로 10M 할당
10M
10M10M
10M
Flow1 이50M 사용
Premium Flow 2GR Flows
Premium Flow 1
Premium Flow 4Premium Flow 3
25M5M
5M5M
기존라우터 : 전체 Connection의품질저하
Premium Flow 2
GR Flows
Premium Flow 1
Premium Flow 4Premium Flow 3
10M10M
10M10M
Micro-flow 기반스위치 : 위반한 Flow1만 Drop
![Page 20: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/20.jpg)
19Proprietary
Session Flow-State vs Other Flow ConceptsSession Flow-State vs Other Flow Concepts
Flow: Def’n is flexible, but generally any unique combination of 5 tuples:
Source AddressDestination AddressSource PortDestination PortProtocol
State: Managing and maintaining the following information for each flow:
Switch Fabric RouteNexthopClassRateDelay VariationByte CountFlow DurationPackets Received/Dropped, Bytes Received/Dropped, etc.
Forwarding Info
QoS Info
Statistics InfoNetflow
Cisco CEF/Riverstone
Ref.) Caspian Networks
![Page 21: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/21.jpg)
20Proprietary
Economics of Flow RoutingEconomics of Flow Routing
R o u ter P rice w ith 8 H ig h S p eed P o rts
100
200
300
400
500
1970 1975 1980 1985 1990 1995 2000 2005 2010
$ K
Flow Routing
Packet RoutingMemory Cost For Flow State
Flow Routing
Utilization Gain
Ports are of Highest Speed Available in that Year
Flow Routing Infeasible Flow Routing Inexpensive
Ref.) Caspian Networks
![Page 22: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/22.jpg)
21Proprietary
QSS Development StrategyQSS Development Strategy
Centralized Control 개념 도입
MPLS 장비 단순화, 호환성 보장
• Topology Discovery
• Path Calculation/TE
• Admission Control
• Policy Management
CentralizedControl
QSS
•맞춤품질•가격 대비성능 개선•호환성 보장
•맞춤품질•가격 대비성능 개선•호환성 보장
Σ
• OAM
• Traffic Management
• Simplified MPLS
• Session Flow QoS
• Statistics per SessionCaspian’s
Flow Router
Simple,Real Approach
ATM,MPLS
![Page 23: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/23.jpg)
22Proprietary
QSS based ServicesQSS based Services
GbE/10GbE
• Flow based VPN (IP/Ethernet over MPLS, GbE/10GbE, POS)- Flow based L2VPN- Flow based L3VPN
• EPL/EVPL (Ethernet over Ng-SDH, EoS/SDH)• TDM Emulation• New Leased Line (TDM over Ng-SDH, EoS/SDH)• Packet DCS (EoS/SDH)
• Multimedia IP communication
GbE/10GbE
POS(2.5/10G) POS(2.5/10G)
EOS/SDH(2.5/10G)
EOS/SDH(2.5/10G)
IP/MPLS
EoS
IP/MPLS
Flow Mapper
![Page 24: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/24.jpg)
23Proprietary
QSS PositioningQSS Positioning
Target : from Access to Premium IP
Aggregation Device
Aggregation S/W Metro S/W
ServiceSwitch Edge Core
Premium IP Network
NCP
QSS Family
QSR80 QSS120 QSR240 QSS120/350QSR240/700
QSS120/350QSR240/700
• Chassis Type• Powerful ASIC• Flow : few Millions• Jitter/Delay Control• Scalability• Fault Tolerance• Embedded OAM & Protection
• Stackable• Flexible ASIC or FPGA• Flow : less than 10K• Scalability• Fault Tolerance• Embedded OAM & Egress Protection
DSLAM
국내업체에 QSS 요소기술전수
![Page 25: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/25.jpg)
24Proprietary
Network Configuration for QSS-120 Demonstration
Best-EffortService Network
POS(2.5G)
NMSTraffic MonitorNCP
Call Server
L2 Switch (Locus)
L2 Switch (Locus)
Traffic Generator
Congestion Box
Video PhoneGR
Video PhoneGR
VOD (SD)Client-CR
HDTVGR
Gears for MPLSGears for MPLS
STB
VLAN 200 VLAN 100
Video PhoneGR
Video PhoneGR
VOD (SD)Server-CR
MediaServer
For HDTV
Gears for MPLS Gears for MPLS
FTTH
Silver User ( CR Traffic )Bronze User ( AR Traffic )
Premium User ( GR Traffic )
RSVP & MPLS Domain
Gears for BEGears for BE
Video PhoneGR
VOD (SD)Server-AR
VOD (HD)Server-GR
Video PhoneGR
Video PhoneGR
VOD (SD)Client-AR
VOD (HD)Client-GR
Gears for BE Gears for BE STB
Video PhoneGR
Hub for Mgmt.
Traffic Generator
Congestion Box
Customer site-A Customer site-B
![Page 26: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/26.jpg)
25Proprietary
Phase 0 Demo – IT 839 전시(04.12.7)Phase 0 Demo – IT 839 전시(04.12.7)
![Page 27: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/27.jpg)
26Proprietary
QSS Positioning 구성도 (1) QSS Positioning 구성도 (1)
PositioningMetro Transport Network
IP Connection ↔ Microflow
Σ Microflows → SMPLS
TDM 전용회선 → SMPLS
BcN Transport Network
Edge : SMPLS
Core : λ Switch, 초 대용량 라우터
ServiceSwitchMetro
TransportNetworkW
LAN
ADSL
IP VDSL
Ethernet
TDM
BcNTransportNetwork
QSS
참고
![Page 28: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/28.jpg)
27Proprietary
QSS Positioning 구성도 (2)QSS Positioning 구성도 (2)
PABXPCM
CSU/DSU
FLC/SDH
FLC
FLC
Subscriber
FLC/SDH
PCM MUX
FLC
WDCS
Metro Ethernet Metro Ethernet
FLC
1st C.O
PSTN
Switch/Router
PCM
MUX
WDCSFDSL/HSDSL
DSU
FDSL/HSDSL
PCM
WDCS
WDCS
2nd C.O
L/L
PABXV5.2
MSPP-RT
MetroEthernet
MSPP-COTQSS QSS
Needed Upgrade as Needed Upgrade as ““Consolidated SolutionConsolidated Solution””
![Page 29: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/29.jpg)
28Proprietary
Application (3) – Profitable Metro NetworkApplication (3) – Profitable Metro Network
InternetInternet…
G
G
APT(VDSL)
FES
DSLAM
DSLAM
Home
Home
Subscriber
Subscriber
100FX
100TX
100TX
xDSL
APT(Ethernet)
Home
RT
G
Branch Office(Telephone Office)
Metro POP(Regional Office)
QSS120QSS120
xDSL Aggregation Switch
Subscriber Switch
• Marking/Demarking• VLAN+ OAM• Statistics per VLAN+• DHCP Relay
ProvisioningPolicyServer
NCPCall
Server
ESN
BcN/Premium IP
ESN : Edge Service NodeNCP Control
QSR80
QSR240/700QSR240
![Page 30: BCN core 네트워킹QoS보장기술old.hsn.or.kr/hsn91-06/workshop/hsn2005/document/session4/4_2.pdf · Flow-based Managed IP Solution -QSSFlow-based Managed IP Solution -QSS BCN](https://reader034.fdocuments.net/reader034/viewer/2022042104/5e82c8c5ec27c5367454ed75/html5/thumbnails/30.jpg)
29Proprietary
맺음말맺음말
미래 정보통신 서비스는 IP 기반 멀티미디어 서비스가 주도
서비스 활성화를 위해 전달망에서의 IP QoS 보장 기술 확보 시급
기술의 Convergence 에 따른 사업모델의 Convergence
기존 라우터들과 차별화된 기술로 세계시장 공략
장비보다는 서비스 레벨의 세계시장 진출에 국내 통신사업자의 공
격적인 마케팅 전략 절실
BCN을 기반으로 하는 Network기반 IT 839 신성장 동력