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Is there any equivalent of Solaris' TCP fusion (for loopback connections) on Linux ? would it exist as part of a distro or a specific module ? (the background for the question is the will to achieve the lowest latency loopback TCP communication between 2 processes running on the same system).

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2 Answers 2

I'm not familiar with TCP fusion, but zeromq sounds like a fit.

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I know zeromq, it's not exactly what I'm looking for. just want to know if there's a technology such as TCP fusion that's transparently integrated in a linux kernel, or if that's a plan for a future distro / kernel. –  Bastien Sep 19 '11 at 7:02
    
Right, AFAIK the exiting IPC mechanisms are as good as it's going to get, but I'd probably post this question to somewhere like the kernel mailing list. –  Mel Boyce Sep 19 '11 at 7:50

Why not just use a filesystem based socket? AFAIK that's what TCP Fusion does albeit that TCP Fusion manes that you code as if it were a network socket.

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filesystem based socket as in named pipe and such ? the problem is that I only control one side of the client-server pair, and the server does not offer this kind of connection option... –  Bastien Sep 21 '11 at 5:16
    
As in a Unix domain socket like socket(PF_UNIX...) (named pipes can mean something completely different). I'm out of ideas then –  symcbean Sep 21 '11 at 21:36

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