Last update:
Apr 1, 2000
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Potential HEP Applications of a New High Performance Networking Technology
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Arie Van Praag,
Ben Segal
CERN, IT/PDP/TE
Speaker:
Arie Van Praag
In 1989, a completely new 100MByte/s technology emerged
for fast data networking using non-blocking full crossbar
switches, and was called HIgh Performance Parallel
Interface (HIPPI). For high-energy physics this new
technology brought a number of new possibilities such
as fast data distribution and event building.
Using HIPPI for data distribution between an experiment's
data acquisition and a number of workstations has been
very successful in the NA48 experiment.
Today a new standard, the Gigabyte System Network (GSN),
is emerging for computer networking using fast,
full-duplex connections with an effective bandwidth
of 800 MByte/s in each direction. This paper describes GSN,
including the switch structure and its very low latency
protocol called Scheduled Transfer (ST).
An overview of available components will be given, together
with some examples of how this standard can be applied in
high end computing and in future high-energy physics data
acquisition.
Presentation:  | Long Paper:  |
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