Are you seeing interest in WCF (Indigo) for market data and pre-trade info? I am...
Big questions arise...can WCF handle the load? How many ticks can it handle per second to n traders? The interest in WS* is there (security, entitlements, priority?) but is the cost in packet size too much? Can you really do ASC XML, or should you do binary? What about binary XML? How hard is it to write a custom serialize?
I am not sure, but we are going to find out...
Watch this space...
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