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102 Deploying and Managing IP over WDM Networks 6.3.2 Nonfunctional Requirements The most important nonfunctional requirements are the following: • The WINMAN design and implementation shall be based on specific standards, so as to be able to interoperate with other systems over welldefined interfaces. • The WINMAN solution should be tested in real conditions before being put into operation. Interactions between WINMAN components shall be minimized in order to minimize the bandwidth required by the system. 6.4 WINMAN UCs After the requirements capture, the next step in defining the system’s architecture consists of the identification and description of appropriate UCs that illustrate the basic functionality of the target system. The architecture can only be fully defined when the MSCs and class diagrams are defined. Appropriate terminology has been used for building the UCs. Relevant references include (but are not limited to) [2–6]. 6.4.1 Identification and Classification of UCs Table 6.1 depicts the names and allocation of UCs into appropriate categories. The horizontal classification of UCs relates to the functional grouping of UCs and is compliant to [1] in terms of the terminology used. However, the policies provision and scheduler groups of UCs are WINMAN specific. The vertical classification of UCs is according to the level of abstraction and related context and modularity of the UCs. An identifier is allocated to each UC (in parenthesis). The scheme adopted is XYZ, where X denotes the horizontal classification (functional grouping), Y denotes the vertical classification (level), and Z is a sequential number. 6.4.2 UCs Overview This section presents an overview of all identified UCs. Critical aspects regarding their context are briefly discussed, while UCs interrelations are depicted in UML diagrams, according to the previous classification. Due to the nature of interactions, some UCs appears in multiple diagrams. A short description of the goal and context of each UC is also provided.
The WINMAN Management System Concept 103 Policies provision (P) Provide policies (PS1); Provide policies report (PS2) Table 6.1 Classification of Use Cases Summary Level (S) User Level (U) Atomic Level (A) Add policies (PU1); Modify policies (PU2); Activate policies (PU3); Execute policies (PU4); Remove policies (PU5) Scheduler related (S) Schedule task (SU1); Delete task (SU2); Modify task (SU3) Network provision (N) Provide integrated connectivity service (ICS)-SMS (NS1); Provide ICS-WO (NS2); Modify ICS-SMS (NS3); Modify ICS-WO (NS4); Delete ICS-SMS (NS5); Delete ICS-WO (NS6) Network inventory management (I) Network maintenance and restoration (M) Network data management (D) Register EMS (IS1); Unregister EMS (IS2); Notify network change (IS3) Recover network (MS1); Revert network (MS2); Open alarm (MS3); Clear alarm (MS4); Provide alarm reports (MS5) Process performance measurements (DS1); Provide PM report (DS2) Verify connectivity service (CS) request (NU1); Create CS-SMS (NU2); Create CS-WO (NU3); Implement CS (NU4); Activate CS (NU5); Deactivate CS (NU6); Release CS (NU7); Remove CS (NU8) Check policy (PA1); Find policy (PA2) Compute list of IP routes (NA1); Compute IP paths under constraints (NA2); Compute list of optical trails (NA3) Configure network (IU1) Add IP node (IA1); Delete IP node (IA2); Add WDM node (IA3); Delete WDM node (IA4); Add WDM link (IA5); Delete WDM link (IA6); Modify WDM link (IA7); Add EMS (IA8); Delete EMS (IA9) Identify affected connections (MU1); Identify root cause (MU2); Synchronize alarms (MU3); Acknowledge alarm (MU4) Calculate aggregations and statistics (DU1)
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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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Management System Design and Implem
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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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11.5.3.1 General Remarks The manage
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12 Integration of IP over WDM: The
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domains with different management t
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Integration of IP over WDM: The LIO
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ClientCTP Integration of IP over WD
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AstnTrail AstnTTP NL resource Integ
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12.4.1.1 TILAB Equipment Integratio
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12.4.1.3 Tellium Equipment Integrat
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At least two other possible solutio
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13 Future Developments and Challeng
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Future Developments and Challenges
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About the Editors Joan Serrat recei
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