HTTP 1.1 pipelining

[David Stockwell]

Hi Ivan,

Awhile back I looked into the HTTP 1.1 protocol and  what I understood 
pipelining to be all about, is the ability of a client be able to handle 
multiple requests on for a connection at a time.  An example pipeline might 
be:

client sends a request to GET a page from the server.
Server sends page to client.
client parses the page.
client issues several GET requests for files (say perhaps images that would 
be displayed in that page) without waiting for the response.
Server eventually sends all the requested files to client.

If the server doesn't support pipelining then the transaction would have to 
be this way (to do the same thing)
client sends a request to GET a page from the server.
Server sends page to client.
client parses the page.

client sends a request to GET a file from the server.
server sends the file to client.
client renders the file (image).

client sends a request to GET a file from the server.
server sends the file to client.
client renders the file (image).
.
. repeat get/response until done.
.

Now if a gateway is involved and caching is taking place it gets a bit more 
complicated.

Good Luck!

David
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>From: Ivan Voras <iv at an.voras.fer.hr>
>To: python-list at python.org
>Subject: Re: HTTP 1.1 pipelining
>Date: Tue, 18 May 2004 12:59:14 +0200
>
>JanC wrote:
>
>>
Ivan Voras <ivoras at __geri.cc.fer.hr> schreef:
>>
>>
>>>I don't think this is how HTTP/1.1 pipelining works. It is still a 
>>>request-response protocol - the only "pipelining" is in the fact that it 
>>>doesn't require a separate connection session for each request-response 
>>>pair.
>>
>>
>>"Pipelining" != "Connection: Keep-Alive"
>>
>><http://www.mozilla.org/projects/netlib/http/pipelining-faq.html>
>
>Thank you - it's clearer to me now!
>
>But, isn't this a direct consequence of keep-alive?

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