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Protocols are at the heart of any Wide Area Network. Picking the right one can speed your data along and cost-effectively satisfy your applications' needs. Choosing the wrong one can slow your network down and clog your transmission pipes with unnecessary overhead thus costing you performance and ultimately money. Some commonly used WAN protocols are briefly described along with links to their format specifics. Click on the protocol of your choice, then go to the Protocol Overhead Estimator to see how much overhead that protocol might add to your data.

TCP/IP - Tranmission Control Protocol / Internet Protocol
SNA/SDLC - Systems Network Architecture/Synchronous Data Link Control
X.25
Frame Relay
ATM - Asynchronous Transfer Mode
SMDS - Switched Multimegabit Data Service

© 1997 by STM&P, Inc.