June 2015 Archive


760
Multicast
Multicast

We have examined in the previous section that with broadcast service, packets are delivered to each and every node in the network. In this section we'll focus on multicast service, in which a multicast packet is delivered to only a subset of network nodes. A number of emerging

Tags multicast packet, address indirection, multicast group, soft state, pruning, multicast router
847
The Link Layer and Local Area Networks
The Link Layer and Local Area Networks

So far we have learned that the network layer provides a communication service between two hosts. As illustrated in Figure 1, this communication path comprises a series of communication links, starting at the source host, passing through a series of routers, and ending at

Tags network layer, routers, link layer, frames, network adapter
1156
Error-Detection and -Correction Techniques
Error-Detection and -Correction Techniques

In the previous section, we noted that bit-level error detection and correction - detecting and correcting the corruption of bits in a link-layer frame sent from one node to another physically connected neighboring node - are two services often provided by the link layer. We saw in

Tags link layer, parity bit, fec techniques, checksumming techniques, internet checksum, crc codes
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