Unformatted text preview: Problem 6.1 There are advantages and disadvantages in both methods: If the server sends multiple messages: Advantages: reliability increases (if a copy of a message is corrupted or lost, other copies will still be delivered). Disadvantages: load on the server increases (multiple communication sessions have to be initiated; each e-mail has to be processed separately); more traffic in the channel; If use mail-bag: Advantages: load on the server decreases; less traffic on the network Disadvantages: load of intermediate nodes in the network increases; if a message is lost on the common route, all copies of the message are lost Also, the common route may not exist at all or it can be very “short” (for example, one hop)....
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This note was uploaded on 12/11/2009 for the course TELECOM 2000 taught by Professor Menon during the Fall '09 term at Pittsburgh.
- Fall '09