Computer Networking: A Top-Down Approach Featuring the by Keith W. Ross, James F. Kurose

By Keith W. Ross, James F. Kurose

(Pearson schooling) presents a clean method of computing device networking guide. Contents contain the web, protocols, community middle, entry networks and actual media, hold up and loss in packet-switched networks, routing, multimedia networking, community administration, and extra. DLC: web (Computer network).

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This applet will allow you to experiment with different message and packet sizes, and will allow you to examine the effect of additional propagation delays. 2 Routing in Data Networks There are two broad classes of packet-switched networks: datagram networks and virtual-circuit networks. They differ according to whether they route packets according to host destination addresses or according to virtual circuit numbers. We shall call any network that routes packets according to host destination addresses a datagram network.

The kid extracts the 156 portion of the address and points to the house. Joe finally reaches his ultimate destination. We will be discussing routing in datagram networks in great detail in this book. But for now we mention that, in contrast with VC networks, datagram networks do not maintain connection state information in their switches. In fact, a switch in a pure datagram network is completely oblivious to any flows of traffic that may be passing through it -- it makes routing decisions for each individual packet.

Even higher rates are possible over shorter distances. In the end, twisted-pair has emerged as the dominant solution for high-speed LAN networking. 1, twisted-pair is also commonly used for residential Internet access. We saw that dial-up modem technology enables access at rates of up to 56 Kbps over twisted pair. htm (5 of 7)20/11/2004 15:51:42 Access Networks and Physical Media communities, providing access rates of about 128 Kbps over twisted pair. We also saw that ADSL (Asymmetric Digital Subscriber Loop) technology has enabled residential users to access the Web at rates in excess of 6 Mbps over twisted pair.

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