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Re: Lookup zip by IP address [message #173397 is a reply to message #172990]

Thu, 07 April 2011 17:01

Tobiah
Messages: 30
Registered: April 2011

Karma:

Member

>>>> Each of those HTTP requests uses a new TCP connection.
>>> Not always, as I understand it.
>>>
>>> http://en.wikipedia.org/wiki/HTTP_persistent_connection
>>
>> I omitted that because it seemed like an unnecessary complication to
>> the discussion. You are, however, absolutely correct that it is
>> possible. I really should have tossed "(in general)" in there
>> somewhere.
>
> I think its actual default behaviour these days, but I am not sure
> enough to make that an assertion.

From Wikipedia:

In HTTP 1.1 all connections are considered persistent unless declared
otherwise[1]. The HTTP persistent connections do not use separate
keepalive messages, they just allow multiple requests to use single
connection. However, the default connection timeout of Apache 2.0 httpd
[2] is as little as 15 seconds[3] and for Apache 2.2 only 5 seconds.[4]
The advantage of a short timeout is the ability to deliver multiple
components of a web page quickly while not tying up multiple server
processes or threads for too long.

So if you load a bunch of images, they will all come down over
the same connection, but by the time you move to another page,
it's likely that the connection will have been dropped by that time,
depending on server settings.

Toby

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[Message index]

		Lookup zip by IP address By: laredotornado@zipmail on Mon, 10 January 2011 18:29
		Re: Lookup zip by IP address By: Michael Fesser on Mon, 10 January 2011 18:36
		Re: Lookup zip by IP address By: Heiko Richler on Mon, 10 January 2011 18:52
		Re: Lookup zip by IP address By: Twayne on Mon, 10 January 2011 20:44
		Re: Lookup zip by IP address By: Captain Paralytic on Mon, 10 January 2011 22:02
		Re: Lookup zip by IP address By: Twayne on Mon, 17 January 2011 20:46
		Re: Lookup zip by IP address By: Thomas 'PointedEars' on Sat, 12 March 2011 01:57
		Re: Lookup zip by IP address By: Jerry Stuckle on Sat, 12 March 2011 03:13
		Re: Lookup zip by IP address By: D. Stussy on Sat, 12 March 2011 07:32
		Re: Lookup zip by IP address By: Thomas 'PointedEars' on Sat, 12 March 2011 08:37
		Re: Lookup zip by IP address By: Jerry Stuckle on Sat, 12 March 2011 13:21
		Re: Lookup zip by IP address By: Roy Smith on Sat, 12 March 2011 14:16
		Re: Lookup zip by IP address By: Jerry Stuckle on Sat, 12 March 2011 15:02
		Re: Lookup zip by IP address By: me on Sat, 12 March 2011 16:35
		Re: Lookup zip by IP address By: The Natural Philosoph on Sat, 12 March 2011 16:59
		Re: Lookup zip by IP address By: Jerry Stuckle on Sat, 12 March 2011 19:02
		Re: Lookup zip by IP address By: me on Sat, 12 March 2011 23:28
		Re: Lookup zip by IP address By: Jerry Stuckle on Sun, 13 March 2011 02:33
		Re: Lookup zip by IP address By: Luuk on Sun, 13 March 2011 14:58
		Re: Lookup zip by IP address By: Jerry Stuckle on Sun, 13 March 2011 17:32
		Re: Lookup zip by IP address By: Luuk on Sun, 13 March 2011 17:46
		Re: Lookup zip by IP address By: Jerry Stuckle on Sun, 13 March 2011 19:35
		Re: Lookup zip by IP address By: spambait on Sun, 13 March 2011 21:52
		Re: Lookup zip by IP address By: The Natural Philosoph on Sun, 13 March 2011 21:28
		Re: Lookup zip by IP address By: Jerry Stuckle on Sun, 13 March 2011 21:37
		Re: Lookup zip by IP address By: Twayne on Mon, 14 March 2011 15:51
		OT Re: Lookup zip by IP address By: Twayne on Mon, 14 March 2011 15:49
		Re: OT Re: Lookup zip by IP address By: The Natural Philosoph on Mon, 14 March 2011 17:17
		Re: OT Re: Lookup zip by IP address By: Twayne on Tue, 15 March 2011 15:17
		Re: Lookup zip by IP address By: Twayne on Mon, 14 March 2011 15:40
		Re: Lookup zip by IP address By: me on Mon, 14 March 2011 02:12
		Re: Lookup zip by IP address By: Jerry Stuckle on Mon, 14 March 2011 02:42
		Re: Lookup zip by IP address By: Twayne on Mon, 14 March 2011 16:02
		Re: Lookup zip by IP address By: Jerry Stuckle on Mon, 14 March 2011 16:07
		Re: Lookup zip by IP address By: The Natural Philosoph on Mon, 14 March 2011 02:49
		Re: Lookup zip by IP address By: spambait on Mon, 14 March 2011 04:20
		Re: Lookup zip by IP address By: Twayne on Mon, 14 March 2011 15:54
		Re: Lookup zip by IP address By: Twayne on Mon, 14 March 2011 15:39
		Re: Lookup zip by IP address By: spambait on Sat, 12 March 2011 23:13
		Re: Lookup zip by IP address By: Twayne on Sat, 12 March 2011 19:19
		Re: Lookup zip by IP address By: Twayne on Sat, 12 March 2011 19:17
		Re: Lookup zip by IP address By: Twayne on Sat, 12 March 2011 19:14
		Re: Lookup zip by IP address By: Thomas 'PointedEars' on Sun, 13 March 2011 23:45
		Re: Lookup zip by IP address By: Jerry Stuckle on Sat, 12 March 2011 13:16
		Re: Lookup zip by IP address By: Michael Fesser on Mon, 14 March 2011 11:23
		Re: Lookup zip by IP address By: The Natural Philosoph on Mon, 14 March 2011 13:29
		Re: Lookup zip by IP address By: Roy Smith on Mon, 14 March 2011 13:40
		Re: Lookup zip by IP address By: The Natural Philosoph on Mon, 14 March 2011 13:54
		Re: Lookup zip by IP address By: Roy Smith on Mon, 14 March 2011 23:50
		Re: Lookup zip by IP address By: The Natural Philosoph on Tue, 15 March 2011 00:25
		Re: Lookup zip by IP address By: Tobiah on Thu, 07 April 2011 17:01
		Re: Lookup zip by IP address By: The Natural Philosoph on Tue, 11 January 2011 11:25
		Re: Lookup zip by IP address By: Twayne on Mon, 17 January 2011 20:48
		Re: Lookup zip by IP address By: Captain Paralytic on Mon, 10 January 2011 22:05
		Re: Lookup zip by IP address By: Romia Super on Tue, 18 January 2011 09:27

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