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Q. Explain about Virtual Circuit Switching?
Virtual Circuit Switching
- All packets belong to a message (or) session is preserved.
- Single route is selected between source/destination.
- All packets obtain that route to reach destination.
- It requires a call setup to establish a virtual circuit. (Either permanent or switched type)
- Uses virtual circuit identifier for routing.
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Along any transmission path from a given source to a given destination, a group of virtual circuits can be grouped together into what is known as path.
Buffering This protocols provides the advantage of buffering to the receiver can buffer any out of order packets after being received by sending acknowledgment when
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