Ernesto Exposito has been Associated Professor at INSA, Toulouse, France since 2006, as well as a researcher at the LAAS laboratory of the CNRS, France. His research interests include autonomic communication services aimed at satisfying the requirements of new generation multimedia applications in heterogeneous network environments. His current research activities include designing, modeling and developing service-oriented, component-based and ontology-driven autonomic transport services.

• Preface xiChapter 1. Introduction 11.1. Evolution of application and network layers 11.2. Summary of contributions 31.3. Book structure 5Chapter 2. Transport Protocols State of the Art 72.1. Introduction72.2. Transport layer reference models 92.2.1. OSI model 92.2.2. TCP/IP model 92.2.3. Transport layer 92.2.4. Transport services 102.3. Transport functions and mechanisms 112.3.1. Error control 112.3.2. Congestion control 142.3.3. Summary 192.4. IETF transport protocols 202.4.1. TCP 202.4.2. UDP212.4.3. SCTP 212.4.4. DCCP 222.4.5. MPTCP 232.5. Summary 23Chapter 3. Semantic Modeling of Transport Protocols and Services 253.1. Introduction 253.2. Model and semantic-driven architecture 263.2.1. Model-driven architecture 263.2.2. Ontology-driven architecture 273.3. Design of a QoS ontology framework 283.3.1. Quality of Service definition 283.3.2. ITU-T X.641 framework 293.3.3. Service 293.3.4. Service user . 293.3.5. Service provider303.3.6. QoS characteristic 303.3.7. QoS requirement . 303.3.8. QoS parameter 303.3.9. QoS function. 313.3.10. QoS mechanism . 313.4. Design of a QoS transport ontology for the next generationtransport layer . 313.4.1. Ontology representation 313.4.2. X.641 QoS ontology . 323.4.3. QoS transport requirements 333.4.4. QoS transport mechanisms, functions and protocols . 333.5. QoS transport ontology specification. 343.5.1. TCP semantic description . 343.5.2. UDP semantic description. 363.5.3. SCTP semantic description 363.5.4. DCCP semantic description 383.5.5. MPTCP semantic description . 403.6. Usage of the QoS transport ontology specification 413.6.1. QoS transport services characterization 423.6.2. Transport components and transport compositecharacterization 453.7. Summary 46Chapter 4. Model-Driven Design Methodology of TransportMechanisms and Functions 494.1. Introduction494.2. Software engineering process 504.2.1. Unified Modeling Language 514.2.2. UML 2.4.1-based methodology 524.2.3. UML diagrams 554.2.4. Summary and additional resources 664.3. Applying the UML-based software engineering methodologyfor transport services 684.3.1. Contextual model of transport functions and mechanisms 684.3.2. Analysis of requirements guiding transport functions 694.3.4. Design of transport functions and mechanisms 714.4. Summary 77Chapter 5. Model-Driven Specification and Validationof Error Control Transport Mechanisms and Functions 795.1. Introduction 795.2. Design of an error control function 805.2.1. Behavior specification of the sending side protocol entity 815.2.2. Behavior specification of the receiving side protocol entity 835.3. Functional validation of the error control function 845.3.1. Functional validation using a perfect medium 865.3.2. Functional validation using an imperfect medium 885.4. A new design of the error control function 935.4.1. Functional validation using an imperfect medium 965.4.2. More open questions 975.5. A model-driven simulation environment 985.5.1. Model-driven simulation framework 995.5.2. Model-driven network simulator package 1005.5.3. Lossy medium simulator 1015.5.4. Delayed medium simulator 1025.5.5. Bandwidth-limited medium simulator 1045.6. Chapter summary 1065.7. Appendix 107Chapter 6. Model-Driven Specification and Validation of CongestionControl Transport Mechanisms and Functions 1096.1. Introduction 1096.2. Design of a congestion control function 1106.2.1. Behavior specification of the sending and receiving sideprotocol entities 1116.2.2. The TCP-friendly rate control (TFRC) specification 1146.2.3. Detailed TFRC design 1176.3. Functional validation of the congestion control function 1196.3.1. Case study 1: continuous stream of messages(no time constraints) 1216.3.2. Case study 2: GSM audio stream 1236.3.3. Case study 3: MJPEG video stream 1236.4. Summary 1266.5. Appendix 127Chapter 7. Specification and Validation of QoS-Oriented TransportMechanisms and Functions 1297.1. Introduction 1297.2. Contextual model of a QoS-oriented transport functions 1307.3. Contextual model of a QoS-oriented error control functions 1317.3.1. Partially ordered/partially reliable transport services 1337.4. Contextual model of a QoS-oriented congestion control functions 1387.4.1. QoS-aware TFRC congestion control 1397.5. Design of the QoS-oriented error control functions 1427.5.1. Basis of a fully reliable SACK-based function1437.5.2. Design of a partially reliable SACK-based function 1447.5.3. Design of a partially reliable function 1467.5.4. Design of a differentiated and partially reliable function 1477.5.5. Design of a time-constrained, differentiated and partiallyreliable function 1487.6. Design of the QoS-oriented congestion control function 1487.6.1. Basis of a TCP-friendly rate control function 1497.6.2. Design of a time-constrained and differentiated congestioncontrol function 1517.7. Summary 153Chapter 8. Architectural Frameworks for a QoS-OrientedTransport Protocol 1578.1. Introduction 1578.2. Communication architecture requirements 1598.3. Architectural frameworks for communication protocols 1608.3.1. QoS-oriented architecture 1608.3.2. Architectural frameworks for communication protocols 1618.4. Design of a composite and QoS-oriented transport protocol 1648.4.1. Design of the fully programmable transport protocol 1648.5. Evaluation of the FPTP transport protocol 1808.5.1. FPTP TD-TFRC mechanism 1808.5.2. FPTP D-PR and TD-PR mechanisms 1818.5.3. FPTP TD-TFRC mechanisms 1828.5.4. Analysis of results 1838.6. Summary 1848.7. Appendix 184Chapter 9. Service-Oriented and Component-BasedTransport Protocol 1879.1. Introduction1879.2. State-of-the-art on modern software architectural frameworks 1889.2.1. Service-oriented architecture 1889.2.2. Component-based design 1909.2.3. Summary 1929.3. Design guidelines of a component-based and service-orientedarchitecture for the next generation transport layer 1939.3.1. Service-oriented architecture transport layer (SOATL) 1939.3.2. Service-component architecture for transportprotocols (SCATP) 1939.3.3. Semantic model guiding the selection and compositionof transport services 1949.4. FPTP semantic description 1949.4.1. FPTP individual 1959.4.2. Service characterization inferences based on components axioms 1969.5. Summary 1989.6. Appendix 199Chapter 10. Adaptive Transport Protocol 20110.1. Introduction 20110.2. The enhanced transport protocol 20210.2.1. Adaptive composite communication architecture 20310.2.2. Behavioral adaptation 20510.2.3. Structural adaptation 20910.3. Summary 212Chapter 11. Autonomic Transport Protocol 21311.1. Introduction 21311.2. Autonomic computing 21411.3. Self-managing functions 21511.4. Architecture 21511.4.1. Autonomic elements 21611.4.2. Autonomic orchestrators 21811.4.3. Policies 21911.4.4. Knowledge base 22011.4.5. Summary 22011.5. Design guidelines of an autonomic computing architecturefor the next-generation transport layer 22111.5.1. Self-managing functionalities 22111.5.2. Architecture 22211.5.3. Autonomic orchestrators 22411.5.4. Policy framework 22811.5.5. Knowledge base 22811.6. Summary 22811.7. Appendix 229Conclusions 231Perspectives 235Appendix 239Bibliography 269Index 279