default socket receive buffer size, net.inet.tcp.recvspace (?)

From: Ronald F. Guilmette (rfg_at_monkeys.com)
Date: 02/24/04

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    To: freebsd-net@freebsd.org
Date: Mon, 23 Feb 2004 19:23:49 -0800

    I have just now found out that the kernel default value for
    net.inet.tcp.recvspace, i.e. the default amount of receive
    buffer space associated with a new socket is set to 56kB,
    at least on the specific version of FreeBSD (4.7) that I'm
    running.

    Just curious: why?

    56kB seems like a somewhat odd number to pick for the default.

    Why not 32kB or else 64kB?

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