Avaya Configuring ATM Half-Bridge Services Bedienungsanleitung PDF herunterladen (Seite 20)

Configuring ATM Half-Bridge Services

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308611-14.00 Rev 00

Nortel Networks designed AHB to meet the requirements of public network

providers who want to develop an end-to-end solution using DSL to provide

high-speed internet and remote LAN access to ISP’s and corporate networks. The

AHB router supports the public network provider’s WAN infrastructure network

by performing the bidirectional conversion of RFC 1483 Ethernet bridged packets

for IP routing to and from the ISP and corporate networks.

Figure 1-1

shows a sample DSL access network that uses an AHB router. This

network is divided into four separate segments:

• The customer premises, which consist of the remote host and modem, referred

to as ADSL terminal unit, remote end devices (ATU-R)

• The network provider POP, which consists of DSL access multiplexor ADSL

terminal unit, central devices (DSLAM ATU-C), ATM access network, and

the AHB router

• The public network WAN infrastructure (typically IP over ATM or frame

relay)

• The ISP or corporate network, which provides internet service for remote

CPE stations

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Avaya Configuring ATM Half-Bridge Services Bedienungsanleitung Seite 20