Cover image for Architecture and governance for communication services
Title:
Architecture and governance for communication services
Personal Author:
Series:
Network and telecommunication series
Publication Information:
London : Wiley, 2013
Physical Description:
xiii, 272 p. : ill. ; 25 cm.
ISBN:
9781848214910

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30000010319218 TK5105.52 C74 2013 Open Access Book Book
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Summary

Summary

Communication services are evolving at an unprecedented rate. Nolonger limited to interpersonal vocal communication, they nowintegrate functions such as address books, content sharing andmessaging. The emergence of social networks ? which may alsoinclude these features ? is an important element of thistransformation. Content services are becoming flagship servicesthemselves, and are sometimes paired up with conversation services.The boundaries between different services are becoming less andless distinct. This book meets the need for a better understandingof communication services, and for a general framework of theirdescription. A detailed overview on service architecture in theTelco, Web and IT worlds is presented, offering a roadmap withexplanations on how to improve the architecture and governance ofcommunication service architectures by exploiting the syntax andsemantics that are common to different services is clearlyoutlined. This book also responds to recurring questions aboutservice design, such as the functional scope of enablers or SOA(Service Oriented Architecture) services, the relevance of servicecomposition to the user and collaboration between differentservices in a converged environment. Many concrete examples fromtelecoms service providers? operations illustrate theseconcepts.

Contents

1. Describing Service Architectures.
2. Convergence of Service.
3. Building an Architectural Framework for Telecom Services.
4. Modeling and Case Study.
5. Organizational and Software Applications.

About the Authors

Emmanuel Bertin is senior service architect at Orange Labs inFrance. He is the author of more than 40 research papers, and holdsmore than 10 patents in the area of communication services.
Noël Crespi worked at Bouygues Telecom, France TelecomR&D, and then at Nortel Networks where he led the TelephonyProgramme. He is currently Professor and Head of the ServiceArchitecture Laboratory at Institut Mines-Telecom, Telecom SudParisin France and is the author/co-author of more than 160 researchpapers and 140 contributions in standardization.


Author Notes

Emmanuel Bertin is senior services architect at Orange Labs in France. He is the author of more than 40 research papers, and holds more than 10 patents in the area of communication services.
Nol Crespi worked at Bouygues Telecom, France Telecom RD, and then at Nortel Networks where he led the Telephony Programme. He is currently Professor and Head of the Service Architecture Laboratory at Institut Mines-Telecom, Telecom SudParis in France and is the author/co-author of more than 160 research papers and 140 contributions in standardization.


Table of Contents

Forewordp. ix
Introductionp. xi
Acknowledgementsp. xv
Chapter 1 Describing Service Architecturesp. 1
1.1 The telecommunications communityp. 2
1.1.1 The service and global functional planes of the intelligent networkp. 2
1.1.2 From TLNA to the NGNp. 8
1.1.3 The OMA and the concept of the enablerp. 11
1.2 The Web communityp. 16
1.2.1 Web services as fundamental structural unitsp. 16
1.2.2 Semantic description of resourcesp. 18
1.2.3 Semantic description of Web servicesp. 19
1.3 The IT communityp. 23
1.3.1 Service-oriented architecturesp. 23
1.3.2 The concept of viewp. 26
1.3.3 Enterprise architecture and urbanizationp. 28
1.4 Summaryp. 33
Chapter 2 Convergence of Servicep. 35
2.1 Overview of communication servicesp. 35
2.1.1 Telecoms services and the NGNp. 35
2.1.2 The NGNp. 36
2.1.3 Towards convergencep. 47
2.1.4 Implementation of convergent servicesp. 50
2.2 Common developments of the service sectorp. 52
2.2.1 The service production viewpoint: from need to servicep. 54
2.2.2 The service use viewpoint: customer, consumer and userp. 58
2.2.3 From service to service systemp. 61
2.3 Application to telecoms servicesp. 63
2.3.1 Telecoms services from the point of view of production?p. 63
2.3.2 Telecoms services from the point of view of use?p. 66
2.3.3 How to structure telecoms services?p. 68
2.4 Summaryp. 74
Chapter 3 Building an Architectural Framework for Telecom Servicesp. 77
3.1 A business reference view for telecom servicesp. 78
3.1.1 Activities from the business viewp. 78
3.1.2 Service processesp. 84
3.1.3 Application to telecom servicesp. 90
3.2 A functional reference view for telecom servicesp. 91
3.2.1 Components of the functional viewp. 91
3.2.2 Functional patternsp. 94
3.2.3 Application to telecom servicesp. 96
3.3 A technical reference view for telecom servicesp. 99
3.3.1 The elements of the technical viewp. 99
3.3.2 Technical roles and reference pointsp. 102
3.4 Summaryp. 104
Chapter 4 Modeling and Case Studyp. 107
4.1 The business reference viewp. 108
4.1.1 Modelingp. 108
4.1.2 Illustrationsp. 109
4.2 Functional reference viewp. 116
4.2.1 Modelingp. 116
4.2.2 Illustrationp. 128
4.3 The technical reference viewp. 142
4.3.1 Modelingp. 142
4.3.2 Illustrationp. 144
4.4 Functional view of a servicep. 157
4.4.1 Modelingp. 158
4.4.2 Illustrationp. 164
4.5 The technical view of a servicep. 175
4.5.1 Modelingp. 176
4.5.2 Illustrationp. 179
4.6 The applicative view of a servicep. 185
4.6.1 Modelingp. 187
4.6.2 Illustrationp. 194
4.7 Summaryp. 208
Chapter 5 Organizational and Software Applicationsp. 211
5.1 An aid for the construction of service offersp. 211
5.1.1 Service designp. 211
5.1.2 Evaluation and comparison of servicesp. 212
5.1.3 Service managementp. 216
5.2 An aid for the rationalization of servicesp. 218
5.2.1 The case of enablersp. 218
5.2.2 The case of software servicep. 220
5.2.3 The case of semantic servicesp. 222
5.3 An aid for achieving service convergencep. 223
5.3.1 A technical pattern for the Web/IMS convergencep. 224
5.3.2 Unified access to servicesp. 228
5.3.3 Inter-service communicationp. 233
5.4 Summaryp. 238
Conclusionp. 239
Appendixp. 245
Bibliographyp. 249
List of Figures and Tablesp. 263
Indexp. 269