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262 Deploying and Managing IP over WDM Networks Carrier-independent integrated common control plane API API API Control domain 1 I-NNI Control domain 2 Management plane administrative area I-NNI Control plane administrative area Figure 13.10 Carrier-independent CP integration scenario. Control management interface Control domain 3 communicating with the management plane through a control-management interface (Figure 13.10). This will simplify the introduction of new administrative domains, as the integration process will be simpler and less expensive to maintain. Note that the internal NNI standard is the most probable candidate for carrying out interworking of different control domains within the same administrative area. Consider now the integration of the optical CP (e.g., ASON) with legacy systems within different transport network partitions. New vendor domains supporting the optical CP will have to coexist with currently deployed domains that directly communicate with the management system through a transportmanagement interface (Figure 13.11). At the same time, the newly deployed automatically switched domains will be hidden. This is done from the management system, by the CP interworking with the management plane through the control-management interface. Finally, consider an implementation of interworking between different administrative domains that have both the optical CPs and legacy nonautomatically switched multiple vendor domains. These domains still directly need to be explicitly adopted to communicate with the management planes of their administrative domains. At the same time, the expected implementation of external NNI support by the optical CP will allow for smooth interoperability of both multivendor and intercarrier domains (Figure 13.12). Under this scenario, the CP and management plane will have to collaborate for the provision of intercarrier end-to-end services. While routing and link management will be carried out
Future Developments and Challenges for IP over WDM Network Deployment 263 Control management interface Transport control interface Management plane administrative area Vendor domain 1 Optical transport service provider Control domain 1 Control 1 plane administrative area Transport management interface Vendor domain 2 Figure 13.11 Integration of optical CP with legacy network partitions. Administrative area 1 Vendor domain 1 Management plane administrative area Management control interface Control domain Vendor domain 2 E -NNI Control domain Management control interface Administrative area 2 Transport management interface Transport management interface Vendor domain 1 Optical transport service provider 1 Optical transport service provider 2 Figure 13.12 Intercarrier CPs integration. Management plane administrative area Vendor domain 2 by the management planes within each administrative domain, the E-NNI call and connection processing will be done by the optical control plane. 13.5 Summary The IST-OPTIMIST project is aimed to highlight the research and development efforts carried out in the IST European program in the areas of optical technologies and photonic networking. More insight has been given to the prospect of the future global communication networks. The OPTIMIST project has
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Deploying and Managing IP over WDM
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Deploying and Managing IP over WDM
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Contents Foreword xv Preface xix Ac
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Contents vii 4.2 The WDM Network El
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Contents ix 8 Management System Des
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Contents xi 10.3 The WINMAN Testbed
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Contents xiii 13.4.1 Adoption of Op
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xvi Deploying and Managing IP over
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Preface The integration of the Inte
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Coauthors of the IST-OPTIMIST proje
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1 Introduction 1.1 The Importance o
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communications. These legacy networ
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Within these programs, consortia of
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8 Deploying and Managing IP over WD
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10 Deploying and Managing IP over W
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4 Management of the WDM Network Lay
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λ1λ 2 ··· λ w λ1λ 2 ···
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Management of the WDM Network Layer
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• Lightpaths that may be protecte
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• Wavelength continuity. Two conn
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4.4.4 Management Interfaces Managem
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5 IP Over WDM Integration Mechanism
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STM1/ATM interface requirements. Fo
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IP router OLA The version of IP ove
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Gigabit Ethernet interface GbE prov
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the IETF extended the MPLambdaS fra
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ASON/ASTN. ITU-T will try to push t
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The proposed management solution is
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IP Over WDM Integration Mechanisms
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100 Deploying and Managing IP over
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8 Management System Design and Impl
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Management System Design and Implem
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checking is done at the very beginn
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8.4.1 The Inventory Model The inven
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for any of the three WINMAN NMSs. T
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11 Evaluation of IP over WDM Manage
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Evaluation of IP over WDM Managemen
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system will still perform without i
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Page 303: About the Editors Joan Serrat recei
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