Re: client-server

"David" <[EMAIL PROTECTED]> wrote in message news:<[EMAIL PROTECTED]>...
> On Tue, 4 Nov 2003 20:58:29 UTC, [EMAIL PROTECTED] (cmee) wrote:
> 
> > I'm sorry I know this is very basic but if someone can answer this
> > then they will help me with my course.  What is a client-server?
> 
>   The "client-server model" or a "client-server conversation or
> relationship" generally implies how two or more entities 
> communicate together.  In this case, you have a "client" and a
> "server".  The server provides some service to clients.  Clients
> ask the server to help them do something.  The concept is
> ancient, dating back to the beginnings of hardware and software.
> Its almost a useless buzzword when used by most people.
> 
>   Contrast this with the "peer-to-peer model".  Generally
> a peer functions as both client and server.  Peers help
> each other out in performing some task.
> 
>   A good example might be ftp, the File Transfer Protocol.
> It is best described using the term "client-server".
> The client can get file lists, and transfer files from the
> server.  The server provides these services.
> 
>   Contract that to a product like Napster, that is best
> described as "peer-peer".  Actually it has lots of relationships
> but the people talking about them talk about the peer
> functionality.  So how is that different?  You still have 
> the client interface -- find and get a file.  The server
> side finds and provides the files.  The peer-to-peer part
> is that servers can talk with each other and exchange files.
> Anoth good example of this are the News Servers you are reading
> this message on.  You read/post with a client.  The News Server
> you talk to exchanges posts with other News Servers all over
> the planet/internet and provide you with more posts than actually
> went to your local News Server.
> 
>   I hope that helps,
> 
>   David

hi david 
there are many client programmes for ftp transfer,for example
archie(derived from the word archive,cute ftp and ws-ftp.however many
browsersnow include a programm for file transfer