3. the basic problem business subscribers how do we efficiently cost effectively and cost effectively connect services with ? long dist. local dial ISPVPNFR customer premises

4. regional POPMTU or central office multiservice broadband access AN-xx IAD AN-32xx MSAP long dist. local dial AN-32xx MSAP customer premises ATM ISPVPNFR  DSL, T1, NxT1  DS-3, OC-3  wireless  DS-3, OC-3  wireless

5. multiservice broadband access AN-xx IAD AN-32xx MSAP long dist. local dial AN-32xx MSAP integrated access (IADs) data (Ethernet, serial, frame relay) voice (analog, digital) routing, NAT, DHCP, web server, DSS voice compression T1 or xDSL trunks 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 ATM ISPVPNFR regional POPMTU (or CO)customer premises

6. multiservice broadband access Internet access local voice over DSL (VoDSL) data VPN long distance voice frame relay access (FRoDSL) long dist. ISPVPNlocal dial AN-32xx MSAP R R AN-xx IAD AN-32xx MSAP ATM FR objectives: 1.deliver a bundle of services over a single access facility 2.add services dynamically with little or no incremental infrastructure investment objectives: 1.deliver a bundle of services over a single access facility 2.add services dynamically with little or no incremental infrastructure investment regional POPMTU (or CO)customer premises

7. uniform service delivery / varying access topology long dist. ISPVPNlocal dial AN-32xx MSAP R R AN-xx IAD AN-32xx MSAP FR ATM R R AN-xx IAD  DSL, “0-mile” T1  T1, NxT1, DS-3 regional POPMTU (or CO)customer premises