Multicasting Across Internet2 from the Edges of

the Network

Presenters: Dan Cotton, Bob Dixon, Presenters: Dan Cotton, Bob Dixon, Kevin Gamble, Jim Sturm Kevin Gamble, Jim Sturm

ADEC Web Site

www.adec.edu

Goal:Goal:

Bring advanced Bring advanced networking applications networking applications to geographically to geographically remote learners for remote learners for purposes of research, purposes of research, teaching and extension.teaching and extension.

ObjectivesObjectives

AISEP will:AISEP will:explore use of satellite to explore use of satellite to

deliver Internet services deliver Internet services to determine compatibility to determine compatibility of satellite technology of satellite technology with I2 services and with I2 services and applicationsapplications

Objectives (cont.)Objectives (cont.)

explore deployment and explore deployment and integration of DE integration of DE applications, including applications, including collaborative applications collaborative applications at rural, remote at rural, remote institutions and extension institutions and extension learning centerslearning centers

Research questionsResearch questions

establish standards for establish standards for "acceptable, application-"acceptable, application-based Internet" for remote based Internet" for remote locationslocations

understand how to understand how to establish, build and establish, build and support a satellite-based support a satellite-based IP network IP network

Research questions Research questions (cont.)(cont.)

build a satellite gateway to build a satellite gateway to the commodity Internet the commodity Internet and I2and I2

investigate QoS investigate QoS study network study network

performanceperformance

Network Map Goes Here

Internet 1 orInternet 2

EarthSatellite

Permanent Ground Station

Tachyon Central Ground Station San Diego

Internet Instructional Sites

Instructional Sites

Instructional Sites

Transportable Ground Station

Unicast Vs. MulticastUnicast Vs. Multicast

Multicast AdvantagesMulticast Advantages

Increases network Increases network efficiency efficiency

Consolidates bandwidth Consolidates bandwidth Reduces server load and Reduces server load and

costcost It scalesIt scales

Multicast: End-to-EndMulticast: End-to-End Internet2Internet2 PIM Sparse Mode versus DVMRPPIM Sparse Mode versus DVMRP Iowa State UniversityIowa State University

Multicast video streamingMulticast video streaming ITEC-OhioITEC-Ohio

ADEC router configurationADEC router configuration MonitoringMonitoring

SDSCSDSC

Multicast: End-to-EndMulticast: End-to-End

Lessons learnedLessons learned Technology workedTechnology worked Internet2 multicast support was Internet2 multicast support was

intermittentintermittent Can gateway between PIM Sparse Can gateway between PIM Sparse

Mode and DVMRPMode and DVMRP Many I2 sites NOT multicast enabled Many I2 sites NOT multicast enabled Cannot depend on it for regular useCannot depend on it for regular use

Multicast: Head-endMulticast: Head-end

Multicast: Head-endMulticast: Head-end

Lessons learned - VideoLessons learned - Video Apply good production techniquesApply good production techniques Balance input sources (i.e., video Balance input sources (i.e., video

and audio levels)and audio levels)Managing the convergence of TV

and computer video production Staff appropriatelyStaff appropriately

Multicast: Head-endMulticast: Head-end

Lessons learned - NetworkLessons learned - Network Running Mrouted (i.e., daemon Running Mrouted (i.e., daemon

running on local CPE)running on local CPE) Coping with the LAN (i.e. NAT, Coping with the LAN (i.e. NAT,

firewall, filters, etc.)firewall, filters, etc.) Educating local sitesEducating local sites

Multicast: Head-endMulticast: Head-end

Lessons Learned – Lessons Learned – QuickTimeQuickTime Turned unicast to multicastTurned unicast to multicast MPEG4 = good quality MPEG4 = good quality

audio/videoaudio/video No discernable difference using No discernable difference using

400k vs. 1.2M MPEG4 streams400k vs. 1.2M MPEG4 streams

Multicast: Head-endMulticast: Head-end

Transportable System Design Goals

Provide high-speed Internet access for ALL purposes, including computers, telephones and PDAs.

Inexpensive to build and operate

Off-the-shelf parts for easy duplication

Transportable System Design Goals (cont.)

Easy to operate by one person with one day training, with NO hand tools.

Small and light Reliable and adaptable to

diverse field conditions Easily modified

Planned ApplicationsPlanned Applications Emergency communications. Provide distance learning in

under connected locations such as rural areas and inner cities.

Link field research to campus computers and laboratories and collaborators worldwide.

Link field instruction and demonstrations to campus classrooms.

Planned Applications Planned Applications (cont.)(cont.)

Link field activities to remote databases, eg via PDAs.

Special events, conferences, fairs, etc.

Remote monitoring of construction projects.

Some Actual Some Actual ApplicationsApplications

National Farm Progress Show - rural Iowa

Sept 2002

Distance Learning Conference, Worthington, Ohio

October 2002

Kentuckyana Cattle Auction - rural Kentucky February 2003

Lewis and Clark Re-enactment, Pennsylvania to Oregon and back

2003-2006

Ladysmith, WI School District

Stark Co., OH Parks District

Stark Co., OH Education District

Ladysmith-Hawkins School DistrictLadysmith, Wisconsinwww.lhsd.k12.wi.us

Students aiding the Wisconsin Department of Natural Resources tracking wolf pack locations.

Involve classroom-based students in analysis of stream quality and release of brown trout.

Virtual field trips to copper mines in Upper Michigan.

Stark/Portage (County) Area Computer Consortiumwww.stark.k12.oh.us

31 school districts Ohio & Erie Canal National Heritage

Corridor “Virtual tours” to promote site visits and

hands-on research projects along the corridor and its associated rivers.

Corridor as an outdoor classroom to monitor the impact of human and ecological activities and teach land stewardship.

Stark County Park District

http://www.starkparks.com/

Nature programs sent from parks to classroomsExample - Birds of Prey

Satellite Trailer Satellite Trailer SubsystemsSubsystems

Dish and Radio Transceiver Power Leveling and Aiming Heating and Cooling On-Board Computer Local Wired and Wireless Connections Specialized Remote Units Telephone Video Broadcasting and Conferencing

Ground Station Power Alternatives (all are provided)

Type of power Local Power Outlet (long extension cord)(long extension cord)

Batteries via UPS (computer controlled)

Gasoline generator (push button start)

Running Time unlimited

4 to 8 hours before

recharging

3 days before refueling

Also provides power to user-supplied equipment.

Weatherproof Equipment Rack Cabinet

Mounted on shock absorbers Automatic thermostatically

controlled heater Automatic thermostatically

controlled ventilation fan No actual air cooling - use

provided parasol if needed

Weatherproof Equipment Rack Cabinet (cont.)

Contents: Radio transmitter and receiver UPS and batteries (more

batteries elsewhere) Auditory dish aiming instrument Ethernet switch, DHCP/NAT

server Laptop PC Local wireless access point Power line frequency meter

Computing SystemComputing System

Laptop PC Runs 3 special programs:

Satellite aimingDish Transceiver control and

monitoringUPS control and battery

monitoring

Computing System Computing System (cont.)(cont.)

Also supports all Internet access tools such as:Web browsingE-mailH.323 video conferencingDistance learning toolsOptional encryption

Local Site Transportable

Ground Station

Long-Range wireless(up to 20 miles)

Wall-Penetrating wireless(several non-metal walls)

Local Wireless (1000 ft)

Local EthernetCable (200 ft)

Ground Station to Local Site Connection Alternatives(ALL are provided)

1

3

2

4

Specialized Remote Units

Boat Automobile

Backpack Equestrian

Satellite Trailer

(Wearable heads-up display under development)

The Satellite Trailer as a Telephone Cell Tower

Satellite Trailer

Telephony Adapter

CordlessTelephone

HandheldTelephone

HandheldTelephone

5 miles

Up to 4 telephone lines and 36 telephones, local wireless.

Transportable Satellite Internet System

Transportable Satellite Internet System

Transportable Satellite Internet System

Internet2

EarthSatellite

Tachyon Central Ground Station San Diego, CF

Internet2 Conference Washington, DC

Small Satellite Trailer

Lewis and ClarkShore Encampment near St Louis, MO

Total one-way path length 50,000 miles.

Lewis and Clark Keelboat on Mississippi River

Weekly Educational Broadcasts and Conferences

Lewis and Clark

MORENet

Apple Research Channel

Mobile Satellite Link

Internet

QuestionsQuestions