4 November 1996 Adaptive digital access protocol: new features and performance improvements
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Proceedings Volume 2917, Broadband Access Systems; (1996) https://doi.org/10.1117/12.257326
Event: Photonics East '96, 1996, Boston, MA, United States
Abstract
This paper reports on a broadband multiple access protocol for bi-directional hybrid fiber-coax (HFC) networks. Referred to here as the enhanced adaptive digital access protocol (ADAPt+TM), it builds upon earlier work to define a medium access control (MAC) protocol amenable to a multiple service environment supporting subscriber access in HFC networks with tree and branch topologies. ADAPt+ efficiently supports different access modes such as synchronous transfer mode (STM), asynchronous transfer mode (ATM), and variable length (VL) native data (e.g., IP, IPX). This enhanced protocol adapts to changing demands for a mix of circuit- and packet-mode applications, and efficiently allocates upstream and downstream bandwidth to isochronous and bursty traffic sources. This paper describes: ADAPt+ for upstream communication and multiplexing/demultiplexing for downstream communication; its applicability to STM, ATM and other native data applications; and performance attributes such as bandwidth efficiency and latency.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
B. T. Doshi, S. Dravida, G. J. Kustka, Peter D. Magill, Curtis A. Siller, Sriram Kotikalapudi, "Adaptive digital access protocol: new features and performance improvements", Proc. SPIE 2917, Broadband Access Systems, (4 November 1996); doi: 10.1117/12.257326; https://doi.org/10.1117/12.257326
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