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Technology Stocks : The New QLogic (ANCR)

QLGC 16.07

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Aug 24 5:00 PM EST

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To: richroni who wrote (24458)	10/26/1999 12:31:00 PM
From: KJ. Moy	Read Replies (2) of 29386

<<<The Brocade switch was extremely flexible as to how it could be configured for data path redundancy. Throughout the testing, KeyLabs experienced no restrictions as to hops or loops in inter-switch connectivity; ports on any switch could be chosen arbitrarily. Unlike the Vixel and Ancor switches that could utilize only one inter-switch link (ISL) between switches, the Brocade switch used every available data path and would immediately fail over to any active link when a single ISL was failed. >>> The single usable ISL from Ancor switches described here is incredible. I cannot believe SUN would have chosen Ancor if there is such a limitation. This scenario should be classified as a problem, not a limitation. <<KeyLabs could not find any way to connect a private-loop device. The switches never allowed private-loop connectivity through the switch.>> The Ancor switches used for the test has to be the older version since we know now Ancor does support both private and public loop devices. While the test was claimed to be independent, it did not test anything I would consider above and beyond functionality tests. What I mean is that OEMs such as SUN, MTIC, etc would have setups for a much larger fabric(i.e. dozens of switches), performance, throughput and failed over ISL tests are a 'MUST' . There is no way Ancor could have won any OEMs given all the problems described in this report. I am waiting for some words from Ancor to clarify some points of this report.

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