Experimental School Network

November 21, 2001 1

Experimental School Network

Two-Way Satellite Access

High Speed Internet Access

Web Caching

Video Distribution

Distance Education

Video Conferencing

November 21, 2001 2

Overview

• Trial will run the whole year 2002, and part of 2003.• System will support:

- Two-way satellite access to selected schools.- Video distribution to school servers, for local

video-on-demand streaming.- Video conferencing & distance education.- Live video event streaming to schools.- High-speed Internet access over satellite link.- Local caching and serving of web objects.- School web hosting

November 21, 2001 3

Project PartnersRole Contribution

Project prime $1.25M capital

Implement & maintain network infrastructure ~$2M space segment & labour

Supplier for satcom equipment

Manage pedagogical component of trials $180-200K for school peripheral

Participate in overall project direction equipment

Key participant on pedagogical aspects Expertise & labour

Key support in network implementation

School district representatives for each province Expertise & labour

Video servers, software & peripheral equipment Software development labour

supplier at schools & Telesat hub

Provide access to repository of multimedia learning $150-200K from BELLE project

objects & support satellite network deployment

Participate in Ontario portion of trials & evaluation $60K for Ont school peripherals

Expected participation in assessing satellite access to Funding from BELLE project &

Canadian repositories of multimedia learning objects upcoming CRAG project

November 21, 2001 4

Two-Way Satellite School Network

16 MbpsTDM Carrier

Three MF-TDMA Carriers 2 Mbps burst rate Carriers shared by all user

terminals

CA*net 3

InternetSchoolDistricts

TelesatOttawaGateway

Newfoundland

OntarioQuebec

November 21, 2001 5

Satellite Carriers

Three, 2 MbpsLow Power

MF-TDMA Carriers,shared by

school transmitters

16 MbpsHigh Power

TDM Carrier,transmitted from

Telesat hub,Ottawa

LegendTDM Time Division MultiplexMF-TDMA Multi Frequency – Time Division,

Multiple Access

November 21, 2001 6

Schoolnet-3 Network

16 MbpsTDM

Telesat Gateway/Hub2 MbpsTDMA

School LAN

LinuxWeb Host& Cache

& Proxy Server

Computer withWindows 2000

& Callisto Video Client& Videoconferencing

Callisto/SunVideo Cache

& Server

Two-WayIndoor Unit

Outdoor Unit

Firewall/Router

Internet

Telesat HQ

CA*Net 3 / Dark Fibre / wireless

CallistoVideo Server

WEB CacheWeb Host for

schools

AlgonquinCollege

La CiteCollegiale

MemorialUniversity NFB

GloucesterHS

H&PESB

L&GSB

MagicLantern

Router

Two-Way Satellite LinkDelay = 0.25 sec. in each direction

Round Trip Delay = 0.5 sec.

School

Layer 2 Ethernet switch

Admin subnet

NAT, PEP, DHCP

November 21, 2001 7

Anik E2 Coverage (East Beam)

1.8 metre

1.2 metre

November 21, 2001 8

Newfoundland Schools

Glovertown

Gander

St. Bride’s

Port Saunders

St. Paul’s Intermediate Gander

Fatima Academy St. Bride’s

Roncalli Central High Port Saunders

Glovertown Academy Glovertown

November 21, 2001 9

Quebec Schools

Ste. Agathe

Saint-Damase

Kangiqsualujjaq (George River)

Wottonville

Ste. Agathe Academy Ste. Agathe

Ecole Saint-Damase Saint-Damase

Ecole Hamelin Wottonville

Ecole Ulluriaq Kangiqsualujjaq

Ecole Otapi Manouane

Manouane

November 21, 2001 10

Ontario Schools

Hastings &Prince EdwardSchool District

- 3 schools -

BancroftNorth Hastings HighNorth Hastings Senior

TweedTweed-HungerfordElementary

MadocCenter HastingsHigh

MarmoraMarmora Senior

TrentonTrenton High

Belleville

H&PE Board OfficeBayside SecondaryCentennial SecondaryMoira SecondaryQuinte Secondary

BloomfieldPinecrestElementary

PictonPrince EdwardCollegiate

KasabonikaSinenokay Memorial

Ameliasburg

Kente Public School

Sinenokay Memorial KasabonikaH&PE Board Office BellevilleBayside Secondary Quinte WestKente Public School Ameliasburg

November 21, 2001 11

Distance Education

Camera

ProjectionScreen

Studio

Classroom

Satellite

SatelliteTX/RX

CA*Net3

Telesat(Ottawa)SatelliteGateway

November 21, 2001 12

Video Conference / Interactive LearningSatellite

Resource Centre

School

Telesat (Ottawa)Satellite Gateway

SatelliteTX/RX

CA*Net3

Cameras

November 21, 2001 13

High Speed Internet Access & Caching Satellite

Students usingweb browsers

SchoolWeb Cacheand Server

Telesat (Ottawa)Satellite Gateway

and Internet access hub

Internet

Origin Server

SatelliteTX/RX

November 21, 2001 14

Video Distribution and ServingSatellite

Studentswatching videos

from server

SchoolVideo Cacheand Server

Telesat (Ottawa)Satellite Gateway

Gateway VideoServer

SatelliteTX/RX

CA*Net3 Other Video Servers

November 21, 2001 15

Schoolnet-3 ScheduleTask Schedule

2001 2002 2003

1 Radio equipment tests over satellite at Telesat and CRC 17-Nov 30-Nov

2 Packaging of school equipment 3-Dec 30-Dec

3 Integration and testing of peripheral equipment 3-Dec 30-Dec

4 Install hub equipment 3-Dec 30-Dec

5 End to end testing with peripherals 2-Jan 31-Jan

6 School installations, testing, and user training 15-Jan 28-Feb

7 Trial starts 15-Jan 1-Mar

8 Develop Pedagogical Evaluation Plan 17-Nov

9 Implement plan 15-Jan

10 Evaluate results and modify plan 30-Jun

11 Trial ends 30-Jun*

*Depends on availability and health of satellite