AT&amp;T's 5ESS switch: early experiences and details on planning and implementing a large-scale ISDN corporate R&amp;D network

Johnson, J.L.; Cetti, R.P.; Cooper, Matthew; Wilson, Randall J.; Thompson, Richard S.

doi:10.1109/35.64722

Cited by 1 publication

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“…Each movement has been associated with new releases of the 5ESS switch. Rather than review each version, this section analyzes three key points in the system's evolution: the original multimodule architecture, the ISDN architecture, and the 5ESS2000 switch architecture.87 9 shows the general architecture of the 5ESS switch.9 Built from a single administrative module and a variable number of switching modules, interconnected by a communications module, the switch can carry both transport and interprocessor messaging. The administrative module provides control and some interface functions.…”

Section: The 5ess Switchmentioning

confidence: 99%

Distributed Switching Architecture Trends and Concepts

Sneed

Huensch

Kulzer

et al. 1994

At&T Technical Journal

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The increasing sophistication of the global telecommunications business is creating new, more demanding requirements for switching systems. To meet these requirements, AT&T must introduce the most up‐to‐date technologies for advanced capabilities, such as high‐bandwidth services, Personal Communication Services (PCS), and increased network intelligence in a timely, cost‐effective manner. Switching systems that are adaptable, evolvable, and able to gracefully incorporate these new capabilities and technologies are in the best position to meet market needs. Such switching systems have architectures that are both evolvable—able to incorporate new technology and new development processes within their overall structure—and maintainable—able to accommodate new features continually without rapid increases in the cost of development or equipment. This paper examines the choices for a switching system architecture by defining the functional components of a switch and examining the choices for implementing them.

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Section: The 5ess Switchmentioning

confidence: 99%