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Technology Stocks : MRV Communications (MRVC) opinions?

MRVC 9.975

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Aug 15 5:00 PM EST

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To: cmg who wrote (36145)	10/7/2001 8:05:06 PM
From: Sector Investor	Read Replies (1) of 42804

New CW Test results PDF on the MRV website. mrv.com Aranea had claimed an awesome 384Mpps in their literature. Aranea supports 64 OC-48 ports (32 upper and 32 lower). These numbers are much higher than any other vendor's capabilities. Typically vendor's numbers are for the smallest (40 byte) packets. 384M / 64 ports = 6Mpps per port. In this test 32 OC-48 fully loaded ports were tested with a throughput of 6.1Mpps per port, GREATER THAN CLAIMED. Look at these comments! Page 4 "The jitter on the Aranea-1 averaged about 39 micro seconds (transmitting a 2% voice stream). It should be noted that products previously tested have failed this test with results observed HUNDREDS OF TIMES WORSE MEASURED IN MILLISECONDS." "In assessing the percent of packets arriving out of sequence, we found that the Aranea-1 has NO out of sequence errors that were not otherwise attributed to dropped packet in the low-priority packet streams. However, in previous studies packet sequence errors from 27% up to 95% on competitive products we've tested. Page 5 "The Aranea-1 forwarded 40-byte packets on all 200,000 routes in about 45 seconds, while under full load. Other Gigabit routers tested recently by Miecom could not reach the BGP learning rate even after seven minutes when under a full load. Page 6 "Based on Miercom's experience testing VoIP equipment, we conclude that the cumulative effect of high latency, jitter and sequence errors on VoIP traffic is detrimental, introducing SEVERE NETWORK PROBLEMS. Performance testing conducted recently by Miercom demonstrated that the Charlotte's Web Networks Aranea-1 Gigabit core router prioritized traffic (consisting of 32-Kbps and 64-Kbps voice streams and three VoIP streams) WITHOUT PACKET LOSS OR SEQUENCE ERRORS, AND WITH TIGHT JITTER CONTROL, EVEN DURING CONJESTION."

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