Download ATM & MPLS Theory & Application: Foundations of by David E. McDysan PDF

By David E. McDysan

ATM (Asynchronous move Mode) and MPLS (Multiprotocol Label Switching) are either criteria for shifting info over networks. it is a whole consultant to knowing and enforcing those networking applied sciences.

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The increases in available computing power from Moore’s law and the commensurate need for bandwidth as posited by Amdahl, magnified by the increased communications of an expanding community predicted by Metcalfe, combine to result in what we call the accelerating bandwidth principle. The accelerating bandwidth principle shows that the need for communication grows at a rate faster than the growth of processing speed (and storage capacity) predicted by Moore’s law due to the increased communication within an expanding community of interest.

Worldwide Cooperation for Standards Rapid realization and industry-wide agreement on a common set of standards are essential to achieve interoperability at all levels of the network and across many hardware and software platforms. Interoperability is important for a service provider or enterprise network operator because it enables a choice between vendors. Participation in standards bodies by vendors, service providers, and end users is essential to achieve this goal, as described in the next chapter.

The Internet Engineering Task Force (IETF) is the standards body for MPLS. At publication time, however, the ITU-T had published a few standards on MPLS and was working on several more. In an analogous manner, the MPLS Forum is focused exclusively on MPLS, while several existing forums, for example, the ATM Forum and the Frame Relay Forum, have added MPLS to their charter. Usually, more than just writing and publishing a standard is necessary for success. The multiple vendor and provider agreements developed in these industry forums are often essential to a standard’s eventual success in the marketplace.

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