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ISP. VPN. FR. the basic problem. how do we. customer premises. efficiently. and cost effectively. connect. services. with. long dist. business subscribers. ?. local dial. ISP. VPN. AN-32xx MSAP. AN-32xx MSAP. FR. AN-xx IAD. ATM. multiservice broadband access.
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ISP VPN FR the basic problem how do we customer premises efficiently and cost effectively connect services with long dist. business subscribers ? local dial
ISP VPN AN-32xx MSAP AN-32xx MSAP FR AN-xx IAD ATM multiservice broadband access customer premises MTU or central office regional POP long dist. • DSL, T1, NxT1 • DS-3, OC-3 • wireless local dial
integrated access (IADs) data (Ethernet, serial, frame relay) voice (analog, digital) routing, NAT, DHCP, web server, DSS voice compression T1 or xDSL trunks ISP VPN AN-32xx MSAP AN-32xx MSAP FR AN-xxIAD ATM multiservice broadband access customer premises MTU (or CO) regional POP long dist. • MSAP concentrator • high density • transmission independence (T1, xDSL, DS3) • redundancy • NEBS compliance • MSAP voice gateway • local voice (GR-303) • long distance voice (T1 CAS) • redundancy • NEBS compliance local dial
ISP VPN AN-32xx MSAP AN-32xx MSAP FR AN-xxIAD ATM objectives: 1. deliver a bundle of services over a single access facility 2. add services dynamicallywith little or no incrementalinfrastructure investment Internet access local dial local voice over DSL (VoDSL) data VPN long distance voice frame relay access (FRoDSL) multiservice broadband access customer premises MTU (or CO) regional POP R long dist.
ISP VPN AN-32xx MSAP AN-32xx MSAP FR AN-xxIAD AN-xxIAD ATM local dial uniform service delivery /varying access topology customer premises MTU (or CO) regional POP R long dist. customer premises • DSL, “0-mile” T1 • T1, NxT1, DS-3 R