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To: LPS5 who wrote (8246)5/31/2000 1:52:00 PM
From: Jon Tara  Respond to of 12617
 
No, I haven't seen the SRI study. This is purely conjecture on my part - but educated conjecture. I'm a software engineer, and have written software that deals with real-time quotes - specifically, L2. The systems that supply these quotes are all stressed to the max on high-volume days as it is. I think it's possible that decimal quotes will push them over the edge to failure.

One serious issue is the bandwidth of a standard L2 (also known as NQDS) feed. Although recently upgraded to 512kbit/sec (shared with L1, but mostly allocated to L2 - 414kbit/sec) using an IP multi-casting scheme, NASDAQ is still supporting the old standard which provides only 128kbit/sec for L2 data. They are supposed to phase this out in 1Q2000, but I'd bet that they will have to support this for some time to come yet. If the new, 512kbit/sec transmission scheme is inadequate, there will be SERIOUS trouble.