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United Telecommunication Services

United Telecommunication Services. "Considerations for building a Multi Service Access Network". Michael Gaari Manager Network Provisioning UTS Www.uts.An. Outline. What are broadband services Where are the customers, Or What is the access network? The challenge

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United Telecommunication Services

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  1. United Telecommunication Services "Considerations for building a Multi Service Access Network" Michael Gaari Manager Network Provisioning UTS Www.uts.An

  2. Outline • What are broadband services • Where are the customers, Or • What is the access network? • The challenge • What about the rest of the network? • Strategies for the core and the access network • In conclusion!

  3. What are broadband services Original Bell System Definition “A broadband channel is a communications channel having a Bandwidth greater than a voice-grade channel, and therefore capable of higher-speed data transmission.” 1996 Telecom Reform Act Broadband services are capable of carrying “high-quality” voice, data, graphics, & video. CCITT definition A service requiring transmission channels capable of supporting rates greater than 1.5 Mbps or primary rate in ISDN or T1 in digital terminology.

  4. Practical Definitions Residential Currently means DSL, cable modem, or high speed wireless Today’s services are web access, work-at-home, & steaming audio(Napster, etc) Tomorrow, next generation video will be the killer app”(Son of Napster?) What Are Broadband Services • Business • Data, data, & data • Today generally 1.5Mbps and up • Tomorrow MUCH MORE than 1.5Mbps(100Mbps?)

  5. Applications POTS ISDN Data Video Video Voice Access Network F.O, Copper, HFC, radio Data Internet Others Network Management Backbone Access Network End-users Where Are the CustomersorWhat Is the Access Network?

  6. The challenge • n New services • Value added services • Qos, VPNs n Rapid delivery of services Flexible response to residential and business demand • n Emerging capabilities • Streaming and multicast

  7. DATA VOICE TEXT VIDEO ATM IP Ethernet MPLS SDH/SONET Transport Network A service-independent infrastructure DWDM Fiber Optics Infrastructure What About The Rest of the Network

  8. Strategies for the Core and the Access Network • n Access network • Differentiated-multiple services • Flexible • Secure • n Core Network • simple • Fast • Universal • Basic services • n Implementation • ATM transport often selected: • Aggregation • Security • Qos • Also Frame Relay, SONET/SDH TDM n Implementation IP network layer Developing some Qos Moving to MPLS

  9. Benefits: Increased Service Provider Profits • n Shorten time-to-market • a fully extensible platform enables quick integration, customization and deployment n Increased Revenue a single platform supports hundreds of thousands of users customize and extend service offers to existing and new subscribers

  10. Benefits: Increased Service Provider Profits • n Reduced CAPEX • a network supports a suites of services • extend the lifecycle of capital investments n Reduced OPEX reduces installation, training, administration minimizes service disruption for upgrades, support and maintenance

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