Computer Networks ASystem Approach 4thed

. key elements in the implemen- tation of computer networks. Finally, it identifies the key metrics that are used to evaluate the performance of computer networks. 6 1 Foundation one of a suite. (Paperback) Library of Congress Cataloging-in-Publication Data Peterson, Larry L. Computer networks : a systems approach / Larry L. Peterson & Bruce S. Davi – 4th ed. p. cm. Includes bibliographical....

Ngày tải lên: 23/01/2014, 11:50

. analyzing network performance, designing new networks, and understanding the Internet.  Information flows as a string of bits from computer to computer throughout the world.  The Internet. (cont.) 7/19/2008 48 Limitations (cont.) 7/19/2008 27 Local-area networks (LANs)  LANs consist of the following components:  Computers  Network interface cards  Peripheral devices  Networking. c...

Ngày tải lên: 22/10/2013, 16:36

. create serious problems for sensitive electronic equipment. A static discharge can randomly damage computer chips, data, or both. 2008/7/19 19 UTP cable (cont.) 2008/7/19 16 STP cable 2008/7/19 31 Multimode. injury. 2008/7/19 50 Wireless devices and topologies  The most of WLAN nodes are desktop workstations or notebook computers which equipped with wireless NICs.  Ad hoc mode  Both devic...

Ngày tải lên: 22/10/2013, 16:39

. reused. 7/19/2008 24 Peer-to-peer  In a peer-to-peer network, networked computers act as equal partners, or peers.  Each computer can take on the client function or the server function.  In. control their own resources.  Peer-to-peer networks are relatively easy to install and operate.  A peer-to-peer network works well with 10 or fewer computers.  The security may be difficult

Ngày tải lên: 22/10/2013, 16:41

. SONET/SDH technologies.  Flexible, efficient, reliable, relatively low cost end-to-end Ethernet networks become possible.  TCP/IP can run over LANs, MANs, and WANs with one Layer 2 Transport. future of networking media is three-fold:  Copper (up to 1000 Mbps, perhaps more)  Wireless (approaching 100 Mbps, perhaps more)  Optical fiber (currently at 10,000 Mbps and soon to be

Ngày tải lên: 22/10/2013, 16:42

. the contention for the line becomes greater and even starts to effect the performance of the computers on the network.  Finally when the collision domain becomes too big and network transmission

Ngày tải lên: 22/10/2013, 16:44

. connected [C] or learned by RIP [R]), the network IP address for reachable networks, the hop count or distance to those networks, and the interface the data must be sent out to get to the destination. subnetting  Establishing the subnet mask address  Applying the subnet mask  Subnetting Class A and B networks  Calculating the resident subnetwork through ANDing 2008/7/19 18 Packet pro...

Ngày tải lên: 22/10/2013, 16:46