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Ip Over Optical Networks : A Framework

By Rajagopalan, B.

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Book Id: WPLBN0000693939
Format Type: PDF eBook
File Size: 116.29 KB.
Reproduction Date: 2005

Title: Ip Over Optical Networks : A Framework  
Author: Rajagopalan, B.
Volume:
Language: English
Subject: Topology, Information and Communication, Math
Collections: Technical eBooks Collection
Historic
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Rajagopalan, B. (n.d.). Ip Over Optical Networks : A Framework. Retrieved from http://hawaiilibrary.net/


Description
Technical Reference Publication

Excerpt
Introduction: Optical network technologies are evolving rapidly in terms of functions and capabilities. The increasing importance of optical networks is evidenced by the copious amount of attention focused on IP over optical networks and related photonic and electronic interworking issues by all major network service providers, telecommunications equipment vendors, and standards organizations. In this regard, the term optical network is used generically in practice to refer to both SONET/SDH-based transport networks, as well as switched optical networks (including all-optical networks).

Table of Contents
Table of Contents 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. Terminology and Concepts . . . . . . . . . . . . . . . . . . . 4 3. The Network Model. . . . . . . . . . . . . . . . . . . . . . . 8 3.1. Network Interconnection. . . . . . . . . . . . . . . . . 8 3.2. Control Structure. . . . . . . . . . . . . . . . . . . . 11 4. IP over Optical Service Models and Requirements. . . . . . . . 13 4.1. Domain Services Model. . . . . . . . . . . . . . . . . . 13 4.2. Unified Service Model. . . . . . . . . . . . . . . . . . 14 4.3. Which Service Model? . . . . . . . . . . . . . . . . . . 15 4.4. What are the Possible Services?. . . . . . . . . . . . . 16 5. IP transport over Optical Networks . . . . . . . . . . . . . . 16 5.1. Interconnection Models . . . . . . . . . . . . . . . . . 17 5.2. Routing Approaches . . . . . . . . . . . . . . . . . . . 18 5.3. Signaling-Related. . . . . . . . . . . . . . . . . . . . 21 5.4. End-to-End Protection Models . . . . . . . . . . . . . . 23 6. IP-based Optical Control Plane Issues. . . . . . . . . . . . . 25 6.1. Addressing . . . . . . . . . . . . . . . . . . . . . . . 25 6.2. Neighbor Discovery . . . . . . . . . . . . . . . . . . . 27 6.3. Topology Discovery . . . . . . . . . . . . . . . . . . . 28 6.4. Protection and Restoration Models. . . . . . . . . . . . 29 6.5. Route Computation. . . . . . . . . . . . . . . . . . . . 30 6.6. Signaling Issues . . . . . . . . . . . . . . . . . . . . 32 6.7. Optical Internetworking. . . . . . . . . . . . . . . . . 34 7. Other Issues . . . . . . . . . . . . . . . . . . . . . . . . . 35 7.1. WDM and TDM in the Same Network. . . . . . . . . . . . . 35 7.2. Wavelength Conversion. . . . . . . . . . . . . . . . . . 36 7.3. Service Provider Peering Points. . . . . . . . . . . . . 36 7.4. Rate of Lightpath Set-Up . . . . . . . . . . . . . . . . 36 7.5. Distributed vs. Centralized Provisioning . . . . . . . . 37 7.6. Optical Networks with Additional Configurable Components . . . . . . . . . . . . . . . . . . . . . . . 38 7.7. Optical Networks with Limited Wavelength Conversion Capability . . . . . . . . . . . . . . . . . . . . . . . 38 8. Evolution Path for IP over Optical Architecture. . . . . . . . 39 9. Security Considerations. . . . . . . . . . . . . . . . . . . . 41 9.1. General Security Aspects . . . . . . . . . . . . . . . . 42 9.2. Security Considerations for Protocol Mechanisms. . . . . 43 10. Summary and Conclusions. . . . . . . . . . . . . . . . . . . . 44 11. Informative References . . . . . . . . . . . . . . . . . . . . 44 12. Acknowledgments. . . . . . . . . . . . . . . . . . . . . . . . 45 13. Contributors . . . . . . . . . . . . . . . . . . . . . . . . . 46 14. Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . 47 15. Full Copyright Statement . . . . . . . . . . . . . . . . . . . 48 3

 

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