Friday, March 25, 2011

socket, tcp/udp, FIX

I was told both UDP and TCP are used in many ibanks. I feel most java shops generally prefer the simpler TCP.
Specifically, I learnt from many veterans that some ibanks use multicast (UDP) for internal messaging.

FIX is not much used. It is sometimes used as purely message formatting protocol (without any session management) on top of multicast UDP. (In contrast, full-featured FIX communication probably prefer TCP for connection/session control.)

Similar - Object serialization like protobuf.

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