[squid-dev] [RFC] deprecating ICP protocol

[Amos Jeffries]

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On 28/10/2014 11:23 p.m., Kinkie wrote:
> Hi, can it be salvaged somehow instead? e.g. having an ICP 2.0
> which includes the information needed in the modern world?
> 

AFAICT that is what HTCP is. An updated form of ICP which includes
full message headers rather than just URL.

Amos

> On Tue, Oct 28, 2014 at 9:32 AM, Amos Jeffries
> <squid3 at treenet.co.nz> wrote: I would like to deprecate ICP
> protocol from a first-class citizen to a second-class. Swapping it
> for HTCP as the default peer exchange protocol for Squid-3.6.
> 
> ICP protocol was designed for use in HTTP/1.0 and works well for
> that. However Squid and most servers are now HTTP/1.1 software.
> 
> ICP is not able to produce accurate results for the increasingly 
> popular HTTP/1.1 Vary objects. It will also have difficulty with 
> Store-ID adapted objects where header fields (Vary and others) are 
> used by the Store-ID helper.
> 
> Amos
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>> http://lists.squid-cache.org/listinfo/squid-dev
> 
> 
> 

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