Re: [squid-users] tproxy on wccpv2 vs triangle routing

From: Amos Jeffries <squid3_at_treenet.co.nz>
Date: Tue, 15 Feb 2011 14:01:15 +1300

 On Mon, 14 Feb 2011 22:11:53 +0800, jiluspo wrote:
> happy valentines day,
>
> tproxy on wccpv2 L2 vs triangle routing(router mode tproxy)
> single cache, gigatbit ethernet. which do you think would get high
> req/sec? and smaller overhead.

 Well, WCCP is a tunnel. So adds both bandwidth and processing overheads
 from the encapsulation/decapsulation. Plus small additional overheads
 from the WCCP protocol messages themselves.

 triangular/*asymmetric* routing will kill TPROXY. Though I think you
 just mean port routing.

 On principle and in theory routing is the better one.

 As an extra reason, WCCP is IPv4-only. Whereas IPv6 support is one of
 the big reasons to move from NAT to TPROXYv4 this year.

 Amos
Received on Tue Feb 15 2011 - 01:01:20 MST

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