From: Jeff Dike <jdike@addtoit.com>
To: George Hadjichristofi <gh@winlab.rutgers.edu>
Cc: 'shruti singhal' <shruti20@gmail.com>,
user-mode-linux-devel@lists.sourceforge.net
Subject: Re: [uml-devel] UDP vs. TCP performance over UML
Date: Tue, 12 Jun 2007 11:04:05 -0400 [thread overview]
Message-ID: <20070612150405.GA7102@c2.user-mode-linux.org> (raw)
In-Reply-To: <010701c7ace0$f98b0d80$d8c8a8c0@angel4>
On Tue, Jun 12, 2007 at 07:01:05AM -0400, George Hadjichristofi wrote:
> When we use TCP the throughput is 100 Mbps from the UML instance of node A
> to the host kernel of node B and 100 Mbps from the host kernel of node A to
> the host kernel of node B. However, when we use UDP the throughput is only
> 26 Mbps from the UML instance on node A to the host kernel of node B, but
> 100 Mbps from the host kernel of node A to the host kernel of node B. We
> also notice that a large number of packets were dropped in the case of UDP
> over UML.
At what interface are the packets being dropped?
Jeff
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Work email - jdike at linux dot intel dot com
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next prev parent reply other threads:[~2007-06-12 15:04 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-06-12 11:01 [uml-devel] UDP vs. TCP performance over UML George Hadjichristofi
2007-06-12 15:04 ` Jeff Dike [this message]
2007-06-13 0:32 ` George Hadjichristofi
2007-06-13 1:24 ` Jeff Dike
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