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What protocol is used under a Socket in J2ME?


Hello, I am trying to understand various wireless communication protocols.

On J2SE, when I use a socket to communicate, the underlying protocol is TCP/IP.

On J2ME, when I use a socket to communicate, what is the underlying protocol?  Specifically, which layers of the WAP protocol stack are used?

Now, if I open an IMPS J2ME client on my wireless phone to chat with a friend on his PC, what happens?  I thought IMPS is supposed to replace the WAP protocol stack.  Is that correct?  Where does IMPS stand relative to WAP?

What if I open a native IMPS client on my wireless phone?  Does it behave exactly the same way as the J2ME client?

Thanks.

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bglodde
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anonp

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WAP is not built on top of HTTP.  WAP is built to parallel HTTP.  WAP for wireless and HTTP for wired.  HTTP is not used for the wireless half of a web access from a cell phone.

Is TCP/IP available when I am using my cell phone?  Can you link to the article that claims that?  I thought TCP/IP is only for the wired half of a cell phone web access.

The information that you provide seems to be inaccurate...

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Actually, I was wrong. Thx