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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.
What is difference among routing and routed protocols? Ans) i) Routing use for top path selection ii) Routed protocol carries on source and destination information.
Q. What is Source Routing? Source Routing - Sender of packet defines bridges and routes that packet should take - Complete path of bridge IDs and destination address i
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