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From "Khalid El-Kary" <khalid_k...@hotmail.com>
Subject Re: Two servers on Port 80 on same machine?
Date Thu, 23 May 2002 18:33:18 GMT
Thank You sir ! :)
infact i'm only 16 years old and i don't know much still i'm learning :)
thanks for your help and valuable information ...


>From: Owen Boyle <obo@bourse.ch>
>Reply-To: users@httpd.apache.org
>To: users@httpd.apache.org
>Subject: Re: Two servers on Port 80 on same machine?
>Date: Thu, 23 May 2002 11:50:31 +0200
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>>From users-return-7528-khalid_kary Thu, 23 May 2002 02:51:54 -0700
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>Khalid El-Kary wrote:
> >
> > Hi,
> > Kind of curiosity what is Datagram socket for?
>
>Receiving datagrams, of course.
>
>There are several transport layer protocols used on the internet network
>layer - UDP is one (the simplest) type. Much more common is TCP:
>
>TCP (transmission control protocol) chops data into packets, numbers
>them, then sends them over the network. Each packet must be acknowledged
>by the receiver. If a packet is not acknowledged in a certain time, it
>is resent. The packets can arrive in random order and the receiver must
>reassemble them to reform the data. TCP is used for HTTP, SMTP, DNS and
>many other applications and is the secret of the internet's success. It
>allows reliable data transfer over an unreliable network.
>
>UDP (user datagram protocol) is much simpler - there is no packet
>ordering and no acknowledgement. You simply fire a packet into the
>network and hope it gets there. In a perfect network, it would be all
>you'd need... Not many internet applications use it nowadays but you
>might find it used in internal networks in research environments...
>
>Check these keywords on the web for more details.
>
>Rgds,
>
>Owen Boyle.
>
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