ASG iDirect Topology
-
Upload
longo-lauris -
Category
Documents
-
view
131 -
download
7
Transcript of ASG iDirect Topology
-
VSAT System Topology
-
2The iDirect Solution
iDirect's Broadband VSAT Network System Provides Highly Reliable, Secure, Two-way TCP/IP Transmission for
High Speed, Multi-media Service Applications on any Topology (Star, Star/Mesh, Point-to-Point/SCPC)
C or Ku-Band Satellite
Internet/
Leased
Line/MPLS
Network
Operator
Teleport
iDirectBroadband VSAT Hub
The new iDirect Hub Chassis Line Card supports
network speeds of 18 Mbps Downstream, and 4.2
Mbps Upstream.
A single 20 slot Hub Chassis supports aggregate
speeds of 360 Mbps.
iDirect Satellite
Router
Star/Mesh Topology
Mesh Connection
Star Topology
Star
Connection
SCPC Topology
SCPC
Connection
SCPC
Connection
By simply adding a separate line
card, the iDirect solution can
support different topologies
from the same chassis
It can also support multiple
satellite links
-
3The iDirect Solution
iDirect's Broadband VSAT Network System Provides Highly Reliable, Secure, Two-way TCP/IP Transmission for
High Speed, Multi-media Service Applications on any Topology (Star, Star/Mesh, Point-to-Point/SCPC)
C or Ku-Band Satellite
Internet/
Leased
Line/MPLS
iDirectBroadband VSAT Hub
iDirect Satellite
Router
Star/Mesh Topology
Mesh Connection
SCPC Topology
SCPC
Connection
SCPC
Connection
Star Topology
Star
Connection
Networking iDirect Cards together
-
4Inherent Scalability
Internet/
Leased
Line/MPLS
iDirectBroadband VSAT Hub
C or Ku-Band Satellite
Networking iDirect Cards together allows networks to support thousands of sites
-
5Network Management
Internet/
Leased
Line/MPLS
iDirectBroadband VSAT Hub
C or Ku-Band Satellite
Thousands of remote sites can be controlled by a single NMS platform
-
6Internet/
Leased
Line/MPLS
Multiple NMS
systems can be
managed by a
single centrally
located system
Centrally Controlled
-
8iDirect Next Gen. Remote Satellite Routers(Jan 2005)
iDirect 5000
Business Critical Applications for Enterprise
Customers
18 Mbps/8.4* Mbps IP Data Rate
Adaptive ChannelCompression
Application QoSTCP Optimization
8-Port LAN Switch
Mesh Mode (Optional), SCPC Mode,
AES/3DES Link Encryption (Optional)
iDirect 7000
Military and Custom Applications
18 Mbps/8.4* Mbps IP Data Rate
PCI Slot
Adaptive ChannelCompression
Application QoSTCP Optimization8-Port LAN Switch
Mesh Mode, SCPC Mode AES/3DES Link
Encryption (Optional)
iDirect 3000
Entry Level - Optimized for Internet Access,
Basic Voice and Video
18 Mbps/4.2 Mbps IP Data Rate
Adaptive ChannelApplication QoS
TCP Optimization
Star Mode Only
-
12
Private Networks Without Encryption
Headquarters LAN/WAN
IP Router
Frame Relay
Or
Leased Line
Hub
40Remotes
of
Company A
SharedDownstream64K 11.5 M
SharedUpstream4.2 Mbps
SharedRemotesBursting
at64 kbps
200Remotes
of
Company D
Downstreamfor
Company A
Downstreamfor
Company D
Upstreamfor
Company A
Upstreamfor
Company D
SharedUpstream
64 kbps
SharedRemotesBursting
at4.2 Mbps
-
13
High Speed Encrypted Networks
Remote Site LAN
Ethernet Switch
Headquarters LAN/WAN
IP Router
NetModem II+
Hub Chassis
IP Router
Internet
ProtocolProcessor
Secure
VPN
3DESLink
Encryption
Encrypted TCP sessions run at >> 100 kbpswhen encryption reconciled with TCP Acceleration.
TCP
AccelerationEncryption
TCP
AccelerationEncryption SatelliteLink
NetModem II+
Protocol Processor
-
14
Video and Audio Broadcasting
Remote Terminal
Network Architecture
-
15
LAN
Tx
Rx
IP Router
iDirect 5100
2-way
VSAT iDirect
3100
1-way Receive-only
VSATRx
TDMDownstream
(128 kbps - 18Mbps)
TDMAUpstreamat 64 kbps to 4.2 Mbps
Standard iDirect HubCarrying
2-way Traffic
Special iDirect Hub
Carrying only1-way Traffic
TDMDownstream
(128 kbps - 18Mbps)
Dual Hub Configuration
PrivateIntranet
PublicInternet
2-way VSAT Link to Carry Return Channel Traffic Upstream to Public Internet
-
16
1 1 1 1 1 2222 3 3 3 3 4444
Transponder 1 Transponder 2 Transponder 3 Transponder n
Multiple Outroutes in one Chassis
Carriers can be on multiple transponders
Highly Scalable Carriers 128K-9M (1 kbps increments)
Multiple Private Networks Per Chassis (Up to 20 Solo-Networks)
This example has 4 multi-inroute networks
Multiple Outroutes Per Chassis
-
17
iDirects Ability to Scale
One Hub Chassis provides access to
Any Transponder on satellite
Up to 5 different satellites
Supports C, Ku, Ka Bands Simultaneously
200 Khz Minimum Requirement
Compared to 4 MHz min for DVB systems
Multiple Outroutes of 9 Mbps Each with a Max. of 182 Mbps Aggregate Forward Channel Capacity
Compared to 68 Mbps Max for DVB Systems
1 1 2Transponder 1
2 1
Transponder n
1 1 2
Transponder 1
2 1
Transponder n
1 1 2
Transponder 1
2 1Transponder n
1 1 2
Transponder 1
2 1Transponder n
1 11 1 2
Satellite 1 Satellite 2 Satellite 3 Satellite 4 Satellite 5
C-Band Ku-Band Ka-Band Extn. C-Band
-
18
Hub Slot Groups Configuration Example
Network 4
Spare
Spare
Slo
t 1
Slo
t 2
Slo
t 3
Slo
t 4
Slo
t 5
Slo
t 6
Slo
t 7
Slo
t 8
Slo
t 9
Slo
t 1
0
Slo
t 1
1
Slo
t 1
2
Slo
t 1
3
Slo
t 1
4
Slo
t 1
5
Slo
t 1
6
Slo
t 1
7
Slo
t 1
8
Slo
t 1
9
Slo
t 2
0
Slot Group 1 Slot Group 2 Slot Group 3 Slot Group 4 Slot Group 5
Slot Groups 1, 2, and 3 are Jumpered on the Backplane to share timing Network 1 has one outroute and 11 inroutes (or some spares ex, 10 inroutes and one spare) Network 2 has one outroute and one inroute (does not use timing on the backplane) Network 3 has one outroute and 3 inroutes (one Spare) Network 4 has one outroute and 3 inroutes
Network 1 Network 3 Network 4Network 2 Available Slot
Upstream (inroute)
Downstream (Outroute)
Network 3Network 2Network 1
iDirect Hub Slide
-
19
1.2 Carrier Spacing
In this case study, an additional 1Mbps upstream channel is added to an existing network by exploiting the reduced guardband between channels!
Downstream
User Data (Info) Rate
= 5MbpsUpstream #1
1Mbps
4.4136 MHz
Upstream #2
1Mbps
Upstream #3
1Mbps
882.7 kHz
7.0618 MHz Total
iDirect Network Prior to Carrier Bandwidth Optimization
(40% Guardband)
Downstream
User Data (Info) Rate
= 5MbpsUpstream #1
1Mbps
3.7831 MHz
Upstream #2
1Mbps
Upstream #3
1Mbps
756.620 kHz
6.80958 MHz Total
iDirect Network After Carrier Bandwidth Optimization (20% Guardband)
Allows a fourth upstream to be added with room to spare!
Upstream #4
1Mbps
882.7 kHz 882.7 kHz
756.620 kHz 756.620 kHz 756.620 kHz
NO Value Slide
-
20
iDirect D-TDMA Network Architecture
Hub
Remotes
Downstream128K 9 M
Upstream64K 4 M
1 2 5 n
NM-1
NM-2
NM-5
3.99 Mbps
Burstable Bandwidth
4 Mbps
1 kbps
Each Remote get a certain dedicated Bandwidth Bandwidth Allocated to Each Remote Dynamically
Multiple times a second Bandwidth allocated based on
Queue Depth at each remote CIR Configuration QoS/Prioritization Configuration Rate Limiting at each remote
NO Value Slide
-
21
Multiple Inbounds per Outbound
Hub
SingleOutbound Channel
Remotes
Downstream64K 9 M
Upstream64K 4 M
Remotes Remotes Remotes
Multiple Inbound Channels
NO Value Slide
-
22
End-to-End VLANs
VLAN 31
VLAN 22
VLAN n
IP over Ethernet
Remote 2
Remote 4
VLAN 22
IP over Ethernet
Remote 3
VLAN 31
VLAN n
VLAN 31
VLAN nRemote 1
10.0.1.0/24
10.0.2.0/24
66.0.2.0/24
66.0.9.0/24
10.0.1.0/24
66.0.1.17/28
IP over Ethernet 66.0.1.0/28
Remote 3
Remote 1
Remote 3
Remote 2
Remote 1
Remote 3
66.0.1.0/28
66.0.2.0/24
66.0.9.0/24
VLAN n
10.0.1.0/24VLAN 22
10.0.1.0/24
10.0.2.0/24
VLAN 31
Remote 4 66.0.1.17/28
Private Networks
Map to MPLS/ATM/Leased Lines
Closed User Groups
Overlapping Private Addressing
QoS Per VLAN
Protocol Processor
IP/MPLS
Leased
Lines
Internet/
VPN
NO Value Slide
-
Global Edge Connect:
Satellite TrunkedInternet Access
-
24
Solution Concept:Satellite Trunked Wi-Fi with Wi-Max Range
Internet
iDirect
Hub
Range Paradigm:___ ________
Satellite trunks over the middle 10,000 km (6,000 miles)
Fixed wireless access over the last 10 km (6 miles)
Wireless Base Stations
Distribute Internet Access over the Last Mile to Individual Subscribers
Customer
Premises
Equipment
Satellite Distributes
Internet Access to
Many Different Cities
Satellite Distributes
Internet Access to
Many Different Cities
End User
PC
-
25
Key Technical Enabler:$300 Wi-Fi CPE with Wi-Max Range
$300-$600 COTS Wi-Fi CPE
Line of Sight.
Installs like Rooftop TV Antenna.
20 km (12 miles)
$300 COTS Wi-Fi CPE
Non - Line of Sight.
Simple Self Install.
5 km (3 mile)
Internet
Satellite
Trunk
to Wi-Fi
Access
Point
1.5 km (1 mile)
Mobile Laptops
No CPE. No install.
Wi-Fi
Super
Cell
ResidentialPC
-
26
iDirect 5IF or 1IF
Hub
Internet
iDirectVSAT
System
Central Hub
Long RangeWi-Fi
AccessPoint
ProntoHotspot
Controller
Inspira 25OSS/BSS Server
Wi-FiCPE
ResidentialPC
Wi-FiCPE
Wi-FiAccess
PointRelay
Wi-FiAccessPointRelay
Teleports RF Chain
VSAT Trunk
DTH VSAT
Enterprise LAN orResidential PC
EnterpriseLAN
Overview of Major Subsystems
ProtocolProcessor
ProntoHotzoneGateway
CompressionServers
Edge Routerat Teleport
Load Balancer
NMS
UpstreamRouter
Ku-band
Transponder
C-band
Transponder
Satellite Earth Station at the Center of Each City