Networking Research, Development, and Infrastructure

University of WashingtonComputer Science & Engineering andComputing & Communications

Event Date Path Networks FlowsI2 FallMeeting

10/99 Stanford UWOC-12c

CalREN,Abilene,P/NW

1x200 Mbps UDP(HD/IP)

SC99 11/99 {UW,MSR}PDX OC-48c

P/NW overNTON SONET260 km

5xHD/IP1.4 Gbps TCP (12x)

1 Gbpstranscon

12/99 UW ISIeOC-48c

P/NW, HSCC 5xHD/IP

I2 LSR 3/00 MSR ISIeOC-48c

P/NW, HSCC5600 km

0.75 Gbps TCP (1x)0.95 Gbps TCP (2x)

NAB 4/00 {UW,KING-TV} Las VegasOC-48c

P/NW overEnron

7xHD/IP

SC2000 11/00 UW DallasOC-48c

Abilene, Qwest 1.5Gbps HDTVRTP/UDP/IP

Example projectsContinually advancing “stupid pet

tricks” related to bandwidthDARPA/Intel Gigabit-to-the-DesktopDARPA/MSR Distributed Computer

Science Department (DISC)

Alpine: A User-LevelInfrastructure for NetworkProtocol Development

David Ely, Stefan Savage andDavid Wetherall

http://alpine.cs.washington.edu

Halting Runaway Protocols withthe Icarus Network Architecture

Andrew WhitakerDavid Wetherall

[Uses a bloom filter to detect and haltlooping packets]

Building Enforceable Protocols

Tom Anderson, David Wetherall,Stefan Savage and David Ely

[Explicit congestion notification withnonces]