1. Here are some properties orf eatures of connection less and virtualcircuit networks.

   What are the properties of connectionless networks? What are the properties of virtualcircuit networks?

   1. (a) Thesenderandreceiverneedtosetupavirtualorrealcircuitbeforetheircommunicating.

2. (b) Eachpacketmustcontainthefullsourceanddestinationaddresses.

3. (c) Eachpacketisroutedindependently.

4. (d) Thepacketsmaybedeliveredthroughdifferentpathstothesamedestination.

5. (e) Enoughnetworkresourcesareallocatedtoguaranteethequalityofservice.

6. (f) Itisdificulttoavoidthehappeningofcongestioninnetwork.

7. (g) Theroutersjuststoreandforwardpacketstonexthop.

8. (h) Thecommunicationcannotcontinueifarouteralongthepathcrashed.

9. (i) When a sender has nothing to send, the routers along the path from the sender to the re ceiver can still serve other end users.

10. (j) Theorderofpacketsisnotchangedduringthetransmissionprocess.