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Next hop to receiver does not relay on source of packet. This phenomenon is known 'Source Independence'. It has various benefits. It gives efficient and fast routing. Packet switch have not completed information about all receivers in spite it just has immediate hop so reduces total information and gain dynamic robustness. The network can start to function even if topology modifies without notifying whole network.
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
State some Security Models The first and foremost thing one needs to do is to chalk out a security plan and policy based on any security model. The term security policy shall
Packet loss and retransmission in TCP TCP gets reliability by retransmission. An acknowledgement is used to check that data has arrived successfully. If acknowledgement does no
When to use Static routes and dynamic routes?
A communications channel is pathways over which information can be communicate. It may be described by a physical wire that connects communicating devices, or by a radio, laser, or
What is Protocol Data Unit? The data unit in the LLC level is known as the protocol data unit (PDU). The PDU having of four fields a destination service access point (DSAP), a
Compare Error Detection and Error Correction: The correction of errors is more difficult than the detection. In error detection, checks only any error has happened. In error co
What are the Internal Threats Internal security problems are probably the most common. One never knows what someone is going to do. Even the most loyal employees or workers can
What is Star topology Each station is directly connected to a common central node. Typically, each station attaches to a central node via two point-to-point links, one for tran
Q. Show the properties of Microwaves? Microwaves - Frequencies among 1 and 300 GHz - Unidirectional - Narrow focus requires sending as well as receiving antennas to
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