Communication Links

3266
Packet Switching
Packet Switching

Allocated applications exchange messages in completing their task. Messages can contain anything the protocol designer desires. Messages may carry out a control function (far example, the "Hi" messages in our handshaking example) or can include data, such as an e-mail

Tags communication links, packet switches, link-layer switches
1585
How Do Packets Make Their Way Through Packet-Switched Networks
How Do Packets Make Their Way Through Packet-Switched Networks

Earlier we said that a router takes a packet arriving on one of its connected communication links and forwards that packet on to another of its connected communication links. But how does the router decide the link onto which it should forward the packet? This is actually done in

Tags communication links, routing protocols, routers
4041
Throughput in Computer Networks
Throughput in Computer Networks

As well as delay and packet loss, another critical performance measure in computer networks is end-to-end throughput. To describe throughput, consider transferring a large file from Host A to Host B across a computer network. This transfer might be, for instance, a large

Tags packet loss, throughput, communication links
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