UDP or TCP?

[edgarasm]

i am trying to develop a chat application and i am trying to learn how to work with sockets (indy). What protocol is more suitable for my application, udp or tcp?

Could someone give me some hint?


thanks in advance for any helpfull information.

 

[Stretchwickster]

I'm afraid I don't know enough about the techniques in question to advise you but if you're looking for helpful, informative sites relating to Indy then here are a couple of links:

http://delphi.about.com/sitesearch.htm?terms=indy&SUName=delphi&TopNode=3042&type=1

http://www.least-resistance.com/turbohtml/TurboHtml - Basic Indy Tutorial.html

Hope this helps!

Clive

http://www.kucu.co.uk

Ex nihilo, nihil fit (Out of nothing, nothing comes)

 

[Stretchwickster]

Actually, I just found some Delphi chat application information sites:

http://www.doc.xceedsoft.com/produc...e=sources/chat_sample_application_delphi_.htm

http://www.delphipages.com/news/detaildocs.cfm?ID=92

http://delphi.about.com/library/weekly/aa112602a.htm

http://www.dart.com/samples/delphi.asp

Clive

http://www.kucu.co.uk

Ex nihilo, nihil fit (Out of nothing, nothing comes)

 

[BillDoorNZ]

I'd recommend TCP rather than UDP. TCP guarantees that your packets will get there, as opposed to UDP which does not.

Use UDP if you're not concerned with all of you datapackets getting to the recipient - e.g. for a Quake-style game, you would send UDP datagrams to let the client apps know where everyone else is.

UDP is faster but less reliable.
TCP is reliable.