On Tuesday, 3Com tested the largest Ethernet-to-ATM network ever demonstrated in public. Dubbed the ?mother of all tests?, the exercise was designed to prove that ATM can be used with Lan emulation to link legacy Ethernet Lans into massive corporate networks.
The test used ATM to link legacy Lans, handling 800 switched ports of high load Ethernet traffic, or 6,400 shared ports. The test suite used was the X-Streat, run in the European Networking Labs. Bob Mandeville, director of the Labs, said: ?The Advanced Switch Test got a lot of attention when it was designed in 1993 because it ran on a record number of six switched ports. Had anyone suggested that in less than three years the X-Streat stress test would be fully loading an 80 switched-port test platform, I would not have taken them seriously. This should change the way we think about building Lans.?
The network under evaluation featured 17 Cellplex 7000 ATM switches, 70 Superstack II Switch 2700 Ethernet-to-ATM switches, a Lanplex 2500 switch, a Netbuilder II router and 40 Netcom Systems Smartbits systems.
?MOAT demonstrated that ATM can be successfully used as a backbone linking legacy Lans in a high performance corporate network,? said Scott Bradner, director of the Harvard Network Device Lab. ?I personally observed the 800-port test and found it to be a thorough evaluation of the ability of the 3Com equipment to handle 800 ports of high load Ethernet traffic through an ATM backbone.?
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