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Simplifying Service Delivery: A View from the Optical Service Edge

Table of Contents:
Definition and Overview
1. Introduction
2. An Optical Services Strategy
3. Ethernet as the Plug in the Wall
4. The First Mile to Service
5. The Path to Services Today
6. Conclusion
Self-Test
Glossary
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Self-Test
1. The capacity and service potential of today's optical network is limited by "first mile," legacy TDM technology that is creating a bottleneck between the abundant bandwidth at the optical core and the significant bandwidth within the enterprise.
a. true
b. false
2. Which of the following technologies could reside in the first mile architecture?
a. ATM
b. SONET/SDH
c. Ethernet
d. TDM
e. all of the above
3. A metro access architecture that is based on pure Ethernet requires ____________ runs to all points where services originate, transit, and terminate.
a. ADM
b. leased lines
c. dark fiber
4. _________ offers the benefit of extremely high resiliency.
a. SONET/SDH
b. ATM
c. Ethernet
5. QoS mechanisms play a critical role in allowing providers to soft-provision guaranteed rate access to multiple network services via Ethernet.
a. true
b. false
6. Using GBR and MBR, services can be provisioned and upgraded remotely to support guaranteed bandwidth rates between 64 Kbps to 1 Gpbs, with 10 Gbps in the near term, in 64 Kbps increments.
a. true
b. false
7. In multiservice access, network traffic is mediated using standard internetworking protocols and then mapped into __________, which ultimately terminate at the appropriate POP service destination.
a. TDM–over–ATM paths
b. SONET/SDH paths
c. DS–3 circuit services
8. A _________ with a partitioned management capability allows service providers to establish new service options and gives multiple layers of carriers and customers the ability to manage bandwidth in a service provider network.
a. ADM
b. network service manager
c. TDM–over–ATM solution
9. Ethernet offers many service delivery advantages, including the following:
a. It's easy to manage and simple to integrate with existing enterprise backbones.
b. It's very high speed.
c. It's extremely cost effective.
d. all of the above
10. Which of the following is not characteristic of next-generation optical service edge solutions?
a. the efficiencies and economic benefits of packet switching
b. highly scalable, on-demand packet service offerings
c. inability to integrate into existing network infrastructures and services

Glossary >>

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