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Bandwidth Challenge Call for Participation
Our scientists and their supercomputers are engines for innovation, new insights and the advancement of knowledge; and the vast rivers of data traveling to them across the continents, via our high performance networks, are a fundamental source of power driving these engines. Our high performance networks allow international collaborations to advance human knowledge and to provide insights into how the universe operates.

The Bandwidth Challenge highlights and rewards the best and brightest in new techniques for creating and utilizing these vast rivers of data that can be carried across advanced networks. The challenge you face is to showcase your data, via a meaningful application, during SC|05.

The bandwidth available from national and international networks into this prestigious conference grows by leaps and bounds every year and this year will be no exception. For SC|05 in Seattle Washington, we expect 400 to 500 Gbps of bandwidth and possibly even more, which will interconnect and showcase the worldís scientists and networking gurus.

The following criteria will be used to judge Bandwidth Challenge entries:

1. Support of science mission:

a. How important is the application to the scientific community it supports?

b. What is the potential impact of this application?

c. How will this application enable or enhance the science?

2. Sustained data throughput. (note: simulated network traffic such as iPerf is not acceptable.)

3. Use of innovative and fair TCP and non-TCP implementations.

4. Physical distance between involved sites and the associated latency.

5. Use of emerging or underutilized technologies such as IPv6 and IP mulitcast.

The throughput amount will be verified using high performance monitoring gear provided by Spirent Communications. Qwest Communications will be generously providing bandwidth to the show floor and Force10 Networks is providing the high-density 10GigE switch at the nexus of the Bandwidth Challenge for SC|05.

The deadline for submitting a full entry to the Bandwidth Challenge is September 1, 2005. However, in order to included in the final SC|05 program, an abstract must be submitted by July 29, 2005. Please make all submissions through the following website:

If you are going to be submitting a Bandwidth Challenge entry in August or later, please also e-mail an ìintent to participate in the Bandwidth Challengeî to by July 29, 2005, or ideally as soon as possible, so that we can include your entry in the planning process.

This is the 6th annual Bandwidth Challenge and with your help we hope to make it the best!

For more information, please contact: