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【名称】：Asynchronous Transfer Mode (ATM)Passive Optical Networks (PONs)
【作者】：不详
【格式】：PDF
【页数】：21
【语言】：英文
【出版社】：
【出版日期】：
【摘要或目录】：
Definition
This tutorial discusses the economics, operator and customer benefits, and
technological development of optical distribution networks with asynchronous
transfer mode passive optical networks (ATM PONs). ATM–PON infrastructure
is widely cited by telecommunications carriers and equipment vendors as
potentially the most effective broadband access platform for provisioning
advanced multimedia services as well as legacy services such as tier 1 (T1). Since
1995, an influential group of worldwide carriers and equipment vendors has been
developing requirement specifications for a full-service access network with ATM
PON as the core technology.
Overview
The deployment of fiber-optic technology to homes and businesses is poised to
change the way telecommunications services—primarily voice, data, and video
services—will be delivered to the twenty-first century, information-based
economy. Interest is high among business and residential consumers for
advanced, broadband services such as fast Internet access, electronic commerce,
video on demand, digital broadcasting, teleconferencing, and telemedicine,
among others. However, the lack of available bandwidth to deliver these services
effectively to the last mile of homes and businesses has stifled development of
new multimedia applications.
An optical distribution network with ATM PON as the core technology promises
benefits to end users as well as carriers and service providers. When optical
network access is achieved in scale, businesses and consumers will realize
opportunities for advanced services at relatively low costs. Because of cost
savings inherent with the ATM–PON platform, telecommunications carriers and
service providers will realize efficiencies in provisioning future applications and
upgrading bandwidth to satisfy customers' demands.
