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Re: Custom vs. commodity networks [message #583 is a reply to message #570] Tue, 15 June 2004 10:05 Go to previous messageGo to previous message
Walter F.J. Müller is currently offline  Walter F.J. Müller
Messages: 229
Registered: December 2003
Location: GSI, CBM
first-grade participant

From: lxg0311.gsi.de
I'd like to inject two new arguments into the discussion:
  1. The main usage of networking components will be to interconnect programmable logic bases processing units. This means that the link termination is, at least partially, in programmable logic resources. So the complexity and cost of the link termination is a significant factor, and as a consequence, one would like to have very lean and light-weight protocols.
  2. The shoping list of commodity networks given earlier (Ethernet, ATM, SCI, HIPPI, ...) contains the traditional products, developed for LAN and SAN applications. A network designed for short and medium distance chip-to-chip communication might much better match our requirement profile. PCI Express Advance Switching is positioned in exactly this market and now fully specified. I wonder whether somebody had a serious look at PCIe-AS so far.


W.F.J.Müller, GSI, CBM, Tel: 2766
 
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