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)


Internet/

Leased

Line/MPLS


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



Networking iDirect Cards together allows networks to support thousands of sites

5Network Management

Internet/

Leased

Line/MPLS



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

Documents

ASG iDirect Topology