By David E. McDysan
ATM (Asynchronous move Mode) and MPLS (Multiprotocol Label Switching) are either criteria for shifting details over networks. this can be a whole consultant to knowing and enforcing those networking applied sciences.
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Int. The ITU-T is a members-only standards organization, with fees charged based upon the class of membership. The ITU-T standards documents are called “Recommendations” but have a much stronger meaning, particularly when interworking between service providers in different countries. Recommendations are available to members, or to the general public for a fee. int. The ITU-T organizes recommendations covering various aspects of B-ISDN in a set of alphabetically identified series. xxxx], where a is one of the preceding series letters and xxxx is the specific Recommendation number.
This chapter concludes with a comprehensive review of the principles of multiplexing and switching, with key points illustrated through examples. Chapter 5 begins with a brief history of packet switching. It then introduces the basic protocol layering concepts used throughout the book. The text then discusses several layered protocol architectures as applied examples of layered protocols, for example, open systems interconnection (OSI) and the Internet. It also presents a discussion of connectionless and connection-oriented data services.
It then covers the emulation of Time-Division Multiplexed (TDM) circuits and interworking with Narrowband ISDN (N-ISDN) over ATM, with a summary of the work ongoing for support over MPLS as well. Finally, the chapter concludes with protocol support for video over ATM and IP. Chapter 17 defines the concepts of true protocol interworking, use as an access method, or use as a common trunking vehicle. The text then details the two approaches defined for interworking ATM with Frame Relay; one as a direct service translation and the other as a means to trunk FR services over an ATM backbone.
ATM & MPLS Theory & Application: Foundations of Multi-Service Networking by David E. McDysan