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Re: multipart, server-sent events, and

From: Mark Nottingham <mnot@mnot.net>
Date: Fri, 29 Feb 2008 10:41:37 +1100
Cc: "Maciej Stachowiak" <mjs@apple.com>, "Kris Zyp" <kzyp@sitepen.com>, "Mark Baker" <distobj@acm.org>, public-webapi@w3.org
Message-Id: <C360CDBA-C4F4-4C79-BD26-9CC5B3450BD2@mnot.net>
To: Robert Sayre <sayrer@gmail.com>


All of the proxies I tested passed this for both requests and  
responses. Of course, that's no guarantee that it'll never happen, but  
what is?

Cheers,


On 20/02/2008, at 7:03 AM, Robert Sayre wrote:

> On Feb 19, 2008 2:30 PM, Maciej Stachowiak <mjs@apple.com> wrote:
>>
>> On Feb 19, 2008, at 11:12 AM, Robert Sayre wrote:
>>
>>> On Feb 19, 2008 1:50 PM, Maciej Stachowiak <mjs@apple.com> wrote:
>>>>
>>>> Probably the appropriate forum to make this proposal would be the
>>>> IETF
>>>> HTTP Working Group. I'll join the appropriate mailing list if  
>>>> others
>>>> are interested in pursuing it there. In advance of this, we could
>>>> agree by convention on an unofficial "Connection: x-pipeline" value
>>>> to
>>>> see how well this proposal works in practice.
>>>>
>>>> Thoughts?
>>>>
>>>
>>> It's a good idea, but some proxies forward hop-by-hop headers. :(
>>> See <http://www.mnot.net/blog/2007/06/20/proxy_caching>
>>
>> That document mentions some proxies forwarding headers listed in
>> "Connection", and some specific fixed hop-by-hop headers (Trailer,  
>> TE,
>> Upgrade). But do any proxies actually forward the "Connection" header
>> itself?
>
> Maybe mnot can help us out. Mark?
>
>>> FWIW, the next Firefox beta will have pipelining enabled for  
>>> https. I
>>> won't be surprised if we hit bad bugs. Falling back to https in
>>> combination with your proposed connection token might be a fine  
>>> idea.
>>
>> That would certainly remove the risk of mistaken forwarding of the
>> "Connection" header.
>
> I was hoping it would avoid buggy origin servers as well.
>
> Firefox has some heuristics that avoid known-broken implementations,
> but it probably isn't complete, and sometimes that information isn't
> provided.
>
> -- 
>
> Robert Sayre
>
> "I would have written a shorter letter, but I did not have the time."


--
Mark Nottingham     http://www.mnot.net/
Received on Thursday, 28 February 2008 23:41:49 GMT

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