EBK COMPUTER NETWORKING
7th Edition
ISBN: 8220102955479
Author: Ross
Publisher: PEARSON
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Chapter 5, Problem R13RQ
Program Plan Intro
Border Gateway Protocol (BGP):
In the Internet, when the Autonomous Systems runs the same inter-AS routing protocol is termed as Border Gateway Protocol (BGP).
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True or false: When a BGP router receives a path from its neighbor that is marketed, it has to apply his or her own identification to the path sent, then give it to all its neighbours. Give explanation for answer.
What a router does when it gets a packet with an unknown destination network address is described in the following.
A packet switch receives a packet and determines the outbound link to which the packet should be forwarded. When the packet arrives, one other packet is halfway done being transmitted on this outbound link and four other packets are waiting to be transmitted. Packets are transmitted in order of arrival. Suppose all packets are 1,500 bytes and the link rate is 2 Mbps. What is the queuing delay for the packet? More generally, what is the queuing delay when all packets have length L, the transmission rate is R, x bits of the currently-being-transmitted packet have been transmitted, and n packets are already in the queue?
Chapter 5 Solutions
EBK COMPUTER NETWORKING
Ch. 5 - SECTION 5.1 R1. What is meant by a control plane...Ch. 5 - Prob. R2RQCh. 5 - Prob. R3RQCh. 5 - Prob. R4RQCh. 5 - Prob. R5RQCh. 5 - Prob. R6RQCh. 5 - Prob. R7RQCh. 5 - Prob. R8RQCh. 5 - Prob. R9RQCh. 5 - Prob. R10RQ
Ch. 5 - Prob. R11RQCh. 5 - Prob. R12RQCh. 5 - Prob. R13RQCh. 5 - Prob. R14RQCh. 5 - Prob. R15RQCh. 5 - Prob. R16RQCh. 5 - Prob. R17RQCh. 5 - Prob. R18RQCh. 5 - Prob. R19RQCh. 5 - Prob. R20RQCh. 5 - Prob. R21RQCh. 5 - Prob. R22RQCh. 5 - Prob. R23RQCh. 5 - Prob. P1PCh. 5 - Prob. P2PCh. 5 - Prob. P5PCh. 5 - Prob. P7PCh. 5 - Prob. P8PCh. 5 - Prob. P9PCh. 5 - Prob. P10PCh. 5 - Prob. P12PCh. 5 - Prob. P13PCh. 5 - Prob. P14PCh. 5 - Prob. P15PCh. 5 - Prob. P16PCh. 5 - Prob. P17PCh. 5 - Prob. P18PCh. 5 - Prob. P19PCh. 5 - Prob. P20PCh. 5 - Prob. P21PCh. 5 - Prob. P22P
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- In distance vector routing algorithms, routers exchange information with their neighbors about the links costs. (A) True (B) Falsearrow_forward22. A datagram subnet allows routers to drop packets whenever they need to. The probability of a router discarding a packet is p. Consider the case of a source host connected to the source router, which is connected to the destination router, and then to the destination host. If either of the routers discards a packet, the source host eventually times out and tries again. If both host-router and router-router lines are counted as hops, what is the mean number of a. (a) hops a packet makes per transmission? b. (b) transmissions a packet makes? (c) hops required per received packet?arrow_forward22. A datagram subnet allows routers to drop packets whenever they need to. The probability of a router discarding a packet is p. Consider the case of a source host connected to the source router, which is connected to the destination router, and then to the destination host. If either of the routers discards a packet, the source host eventually times out and tries again. If both host-router and router-router lines are counted as hops, what is the mean number of a. (a) hops a packet makes per transmission? b. (b) transmissions a packet makes? c. (c) hops required per received packet?arrow_forward
- Each active interface of Distance vector gets frequent transmissions of the whole routing table that Distance vector maintains. The link status protocol broadcasts information about the state of a router's own connections to all other routers in the network. Each statement has two ideal examples that show how the Link state and the Distance vector may be utilized in a number of circumstances.arrow_forwardA router interconnects a subnet, where all the interfaces of the subnets must have the prefix 164.132.62/24. suppose that the Subnet is required to support up to 60 interfaces, provide a network address that satisfies the above.arrow_forwardQ: In a structured overlay network, messages are routed according to the topology of the overlay. What is an important disadvantage of this approach?arrow_forward
- Is a router necessary if there is just one connection between the source and destination hosts?arrow_forwardComputer Science The UDP is a connectionless protocol, and packets may lose during the transmission, but what happens if the lost packets ratio increases?arrow_forwardOne advantage of a ROUTER is that it can choose the "best" route between networks when there is a choice. True Falsearrow_forward
- What does "aggregation of routes" mean? Why does a router need to group routes?arrow_forwardDijkstra's algorithm is executed at node x, this will generate the forwarding table that router x will use to forward the received packets to any destination in the topology. 2 1 1. What represent the different numbers associated to the links? 2. Complete the following resulting forwarding table at node x. Outgoing link (X,v) Destination Varrow_forwardEach of Distance vector's active interfaces receives regular transmissions of the whole routing table that Distance vector maintains. The information about the condition of a router's own connections is broadcast to all other routers in the network through the link status protocol. There are two perfect examples that can be used for each assertion to demonstrate how the Link state and the Distance vector may be used in a variety of contexts.arrow_forward
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