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transport protocol Vs wire protocol

 
Vasim Patel
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Hi,

THis might not be directly related but transport protocol and wire protocol are often used in WS books.

What exactly is the difference.
e.g. of transport protocol : http, ftp, smtp
wire protocol: tcp/ip

When we say transport protocol what exactly do we mean?
Any good links/ explanations.

regards
Vasim
 
Peer Reynders
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Actually SOAP is the wire protocol.

IP is a network layer (3) communication protocol.

TCP is a transport layer (4) communication protocol. In the OSI model "transport protocol" usually refers to a layer 4 protocol.

HTTP is an application Layer (7) communication protocol. It uses TCP/IP directly.

SOAP may use HTTP as its "transport", just as it could use SMTP or FTP - but HTTP, SMTP, and FTP are not "transport protocols", at least not the OSI sense.

OSI standard for communications

Communications Protocol

Transport Protocol

Wire Protocol
[ February 17, 2006: Message edited by: Peer Reynders ]
 
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