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Argue that only two types of multicast are practical in the Internet: statically configured commercial services that multicast to large numbers of subscribers.
Estimate the size of the multicast forwarding table needed to handle multicast of audio from 100 radio stations.
What ATM network topologies are appropriate for a two-level addressing scheme? Characterize situations for which additional levels of hierarchy are useful.
Read about the LANE and MPOA standards that allow ATM to emulate an Ethernet or other local area network.
A large organization that uses ATM to interconnect IP hosts must divide hosts into logical IP subnets.
Measure the throughput and delay of an ATM switch when using TCP. If your operating system permits, repeat the experiment with the TCP transmit.
Are there circumstances under which an SPF protocol can form routing loops? Hint: think of best-effort delivery.
Can you use ICMP redirect messages to pass routing information among interior routers? Why or why not?
Build an application program that sends a request to a router running RIP and displays the routes returned.
DVMRP was derived from RIP. Read RFC 1075 on DVMRP and compare the two protocols. How much more complex is DVMRP than RIP?
IGMP does not include a strategy for acknowledgement or retransmission, even when used on networks that use best-effort delivery.
Consider a function used to convert between delay and hop-count metrics. Can you find properties of such functions that are sufficient to prevent routing loops.
Read the RIP specification carefully. Can routes reported in a response to a query differ from the routes reported by a routing update message? If so how?
Is there any advantage to them knowing the exact set of hosts on a network that belong to a given multicast group?
The standard says that IF' software must arrange to deliver a copy of any outgoing multicast datagram to application programs.
OSPF allows managers to assign many of their own identifiers, possibly leading to duplication of values at multiple sites.
Compare the version of OSPF available under 4BSD UNIX to the version of RIP for the same system. What are the differences in source code size?
A gate with three rotating arms at waist height is used to control access to a subway in New York city
The Internet and the Web are not the same thing. What is the difference between the Internet and the Web?
Assignment involves solving problems by using various discrete techniques to model the problems at hand.
List and describe each of the seven phases of the systems development life cycle.
The true benefit of using an array lies in your ability to use a variable as a subscript to the array instead of using a constant.
If you want to insert a column into an existing table, what would you do?
Design a Huffman code for a source with alphabe x = [x1 ,x2 , ...., x9] and corresponding probability vector.
Is information systems (IS) performance linked to business performance? Share a specific company example that you feel supports your position.