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NAK free reliable data transfer protocol
Reliable data transfer over a loss channel with bit error rdt3.0 figure shows the sender FSM for rdt 3.0 a protocols that reliable data transfer over a channel that can corrupt or loss packets: figure shows how the protocols operates with no lost or delayed packets and how it handles lost data packets. In figure time moves forward from the top of the diagram toward the bottom of the diagram note that a receive time for a packet is necessarily later than the send time for a packet as a result of transmission and propagation delays. In figure and the send side brackets indicate the times at which a time is set and later times out. Because packet sequence numbers alternate between 0 an 1 protocols rdt 3.2 sometimes knows as the alternating bit protocols.
figure rdt sender
QUESTION a) Security is a very crucial component in a Distributed System. Describe three properties of a secure channel. b) During packet transmission, messages are subdivid
i) Identify at least two items at every site that needs upgrading [2 Marks] ii) What type of WAN connection (link) might you use to connect the three sites to each other?
There is only an application layer which is closer to user and also gives many application which user directly linked.for ex:- web browser
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UDP Segment Structure The primary purpose of the UDP protocols is to expose datagram's to the application layer. The UDP protocols does very little and therefore employ
List of protocols in Network topology,
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Connection Oriented Transport TCP In addition to providing reliable communication transmission control protocols effects errors control flow control and resequencing of
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