Hi Marshall,

|Given that the financial people are concerned with millisecond 
|delays,  
|10 msec
|is clearly not enough for some trading applications. See, e.g.,
|
|http://www.usfst.com/currentissue/article.asp?art=275136&issue=281
|
|"a millisecond advantage in trading applications can be worth $100  
|million a year to a major brokerage firm."
|
|Much of their use of multicast is driven by such considerations.
|
|  Whether they have thought this through or not
|is another question.


Is there any bound to the amount of delay that they can exploit?  It would
seem that given a 1 ms offset, someone will work hard to exploit that.  This
simply becomes an arms race down to a femto-second.

Tony

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