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Date:      Thu, 25 Mar 1999 16:51:09 -0800
From:      "Kevin M. Lahey" <kml@nas.nasa.gov>
To:        Jim Shankland <jas@flyingfox.com>
Cc:        j@lumiere.net, freebsd-net@FreeBSD.ORG
Subject:   Re: mbuf clusters and socket send buffers (was Re: 3.1-STABLE dies on 40+ connects) 
Message-ID:  <199903260051.QAA17517@gecko.nas.nasa.gov>
In-Reply-To: Your message of "Thu, 25 Mar 1999 16:54:16 PST." <199903260054.QAA22060@biggusdiskus.flyingfox.com> 

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In message <199903260054.QAA22060@biggusdiskus.flyingfox.com>,
Jim Shankland writes:
>A thought related to this discussion:  does it make sense to allow the
>send buffers to be larger than the peer's advertised window size?
>In other words, why "preposition" those bytes in the kernel before
>the peer has indicated a willingness to accept them?

Interestingly enough, no memory is actually used until data arrives.
The socket buffer size is merely a cap on the amount of memory that 
could possibly be allocated for that connection.

Kevin
kml@nas.nasa.gov


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