Ppt on service oriented architecture

Service Oriented Architecture

to “talk to each other” Status quo: Proprietary or custom communication interfaces between applications Source: H. Taylor, “Service-Oriented Architecture (SOA) 101 ‘What’s Hype, What’s Real?’“, Juniper Networks, Inc.,2007. Challenges with Tight Coupling While /aptitude Some SOA standards are still immature, leading to confusion and vendor-driven proprietary creep Source: H. Taylor, “Service-Oriented Architecture (SOA) 101 ‘What’s Hype, What’s Real?’“, Juniper Networks, Inc.,2007. 85 Benefits & Limitations of/


TJSS luennot System Design Lecture 1

is a subsystem that provides services to a higher level of abstraction A layer can only depend on lower layers A layer has no knowledge of higher layers In an object-oriented design such as JEWEL,/architectural styles: Client/Server Architecture Peer-To-Peer Architecture Repository Architecture Model/View/Controller Pipes and Filters Architecture Client/Server Architecture One or many servers provides services to instances of subsystems, called clients. Client calls on the server, which performs some service/


A Security Meta-Model for Service-oriented Architectures Author: Michael Menzel, Christoph Meinel Hasso-Plattner-Institute, Germany Presented by (Group.

Related Works Why a better Solution Conclusion and Future Work Overview of Service oriented Architecture Service oriented architecture (SOA) : Service oriented architecture is an architectural approach that provides a new technology in which various independent services develop a system to interact with each other by sending message based on some predetermined agreement mechanism. Each services in a service oriented architecture is - Distributed and Loosely Coupled - Publishes it’s description, that is/


State of Washington Department of Labor & Industries

needs Reduce time to build and maintain business apps Minimize technology support requirements Improve developer efficiency Service-Oriented Architecture L&I’s Journey to a Service-Oriented Architecture L&I’s Journey to a Service-Oriented Architecture Key SOA Concepts SOA = Web Services Service-Oriented Architecture (SOA): An IT architectural style based on the concept of a collection of services that communicate and coordinate with each other in an enterprise-level, distributed computing environment/


Bernd Bruegge & Allen Dutoit Object-Oriented Software Engineering: Conquering Complex and Changing Systems 1 Software Engineering October 10, 2001 System.

operations.  A virtual machine is a subsystem connected to higher and lower level virtual machines by "provides services for" associations.  Virtual machines can implement two types of software architecture: closed and open architectures. Bernd Bruegge & Allen Dutoit Object-Oriented Software Engineering: Conquering Complex and Changing Systems 22 Closed Architecture (Opaque Layering)  A virtual machine can only call operations from the layer below  Design goal: High/


Page 1 Elements of Service-Oriented Architecture B. Ramamurthy.

application functionality with exposed interfaces, and are invoked by messages. Essential ingredients of an SOA are: services, enabling technology, SOA governance and policies, SOA metrics, organizational and behavior model (culture). Page 5 Service-oriented Architecture (3) From “ Service-oriented architecture: concepts, technology and design”. By T. Erl, Prentice-Hall Inc., 2005. Service-oriented architecture is a term that represents a model in which automation logic is decomposed in to smaller/


MW+SOA-1 CSE 300 Middleware, Service-Oriented Architectures and Grid Computing Prof. Steven A. Demurjian Computer Science & Engineering Department The.

environment. Consists of a minimal set of unifying concepts, axioms and relationships within a particular problem domain. Is independent of specific standards, technologies, implementations, or other concrete details. Reference Model Service Oriented Architecture Service Oriented Architecture is a paradigm for organizing and utilizing distributed capabilities that may be under the control of different ownership domains. Goal of this reference model is to define the essence of/


Chapter 6 System Design: Decomposing the System

layer is a subsystem that provides subsystem services to a higher layers (level of abstraction) A layer can only depend on lower layers A layer has no knowledge of higher layers In an object-oriented design such as JEWEL, each subsystem /a subsystem It is connected to higher and lower level virtual machines by "provides services for" associations. Virtual machines can implement two types of software architecture Open and closed architectures. How do we represent this in UML? A virtual machine can be seen /


Ace104 Lecture 1 Introduction Distributed Architectures SOA Concepts.

Source: Service-Oriented Architecture, Thomas Erl Application layer Services interface layer Business process layer Application-oriented services Business-oriented services Focus on the Business– Process and Services.NET J2EELegacy Source: Service-Oriented Architecture, Thomas Erl Application layer Services interface layer Business process layer Focus on the Business– Process and Services.NET J2EELegacy Source: Service-Oriented Architecture, Thomas Erl orchestration service layer business service layer/


CICS in a Service Oriented Architecture

standard APIs and protocols CICS Transaction Server V3.1 provides capabilities to enable CICS-based applications to be integrated with a Service Oriented Architecture (SOA), enabling them to be exposed as Web Services. CICS has the ability to act as a Web Services service provider and service requestor which means it can be seen as a full participant in this SOA world. By allowing CICS applications to/


Orientation (2-89-90) 1-1 Orientation Computer Networks.

-89-90) 1-104  Reference model  formally defines what is meant by a layer, a service etc.  Service architecture  describes the services provided by each layer and the service access point  Protocol architecture  set of protocols that implement the service architecture  compliant service architectures may still use non- compliant protocol architectures ISO OSI Orientation (2-89-90) 1-105 Network Data Link Physical End system 1 (host) End system 2 (host) Intermediate/


1 © Copyright 2010 Dieter Fensel and Ioan Toma Semantic Web Services Service Science.

/ssme –HP: Center for Systems and Service Sciences http://www.services-sciences.org/ –Oracle: Service Research and Innovation Initiative http://www.thesrii.org/ 28 SERVICE ORIENTED ARCHITECTURE 29 In this part we discuss: What is Service Oriented Architecture (SOA)? SOA Principles SOA Properties – Self-* SOA Benefits 30 What is Service Oriented Architecture (SOA)? “A service-oriented architecture is essentially a collection of services. These services communicate with each other. The communication can/


Software Architecture - 2 September 5, 2015September 5, 2015September 5, 2015.

amount of proxies Difficulty in testing due to the amount of proxies Brokers with client-server proxy CORBA Service-Oriented Architecture (SOA) Overview Overview –A Service Oriented Architecture (SOA) starts with a businesses process. –A service is a business functionality that is well- defined, self-contained, independent from other services, and published and available to be used via a standard programming interface. –Software manages business processes through a/


94.586 Object-Oriented Design of Real-time Systems...Winter 2001 C-1 Copyright C. M. Woodside 2001 Developing a Real-time System Architecture Perspective.

images trigger build frameImageProcframing and image building position probe, setProbebitstream from probe controls LOWprobe operationsSystem Services Hardware 94.586 Object-Oriented Design of Real-time Systems...Winter 2001 C-33 Copyright C. M. Woodside 2001 Layers/ services, data, communications pathways –for standby in the case of failure –for redundant evaluation redundancy and voting 94.586 Object-Oriented Design of Real-time Systems...Winter 2001 C-64 Copyright C. M. Woodside 2001 Architecture /


Conquering Complex and Changing Systems Object-Oriented Software Engineering Chapter 5, Analysis: Dynamic Modeling.

of the system decomposition is critical.  Patterns for software architecture  Client/Server Architecture  Peer-To-Peer Architecture  Repository Architecture  Model/View/Controller  Pipes and Filters Architecture UNB CS3013 Software Engineering II lectures adapted from Bernd Bruegge & Allen Dutoit, Object-Oriented Software Engineering: Conquering Complex and Changing Systems 83 Client/Server Architecture  One or many servers provides services to instances of subsystems, called clients.  Client calls/


Object Oriented Analysis and Design 1 Chapter 4 Object Oriented Analysis  OO Analysis Overview  Architectural Analysis  Identify Entity – Domain Modeling.

the reuse strategy  To provide input to the planning process Object Oriented Analysis and Design 13 Design Model Overview Use case realization Special Application > General Application > General Services > System Services > Layered Architecture Architecture Mechanism Design Model Use case Use case report Glossary Supplementary Specification Requirement Model Object Oriented Analysis and Design 14 Common Steps in Architectural Analysis  Identify and analyze the non-functional requirements that have an/


Agenda 23 April, 2007 T-86.5165 Service-Oriented Architecture and Software Engineering 1 Service Oriented and Model Driven Architectures Pankaj Saharan.

, 2007 T-86.5165 Service-Oriented Architecture and Software Engineering 1 Service Oriented and Model Driven Architectures Pankaj Saharan Carlos Martinez T-86.5165 - Seminar on Enterprise Information Systems (2007): Service-Oriented Architecture and Software Engineering Agenda 23 April, 2007 T-86.5165 Service-Oriented Architecture and Software Engineering 2 Introduction In this study we analyze the relationships between Service-Oriented Architectures (SOA) and Model Driven Architectures (MDA). The purpose of/


© 2006 - 2007 IEEE Standards Association IEEE Service-Oriented Architecture (SOA) Standards IEEE SOA Standards Updates Liang-Jie (LJ) Zhang, Ph.D. Chair.

in all classes of solution scenarios. This standard is limited to design and modeling of service-oriented solution architecture and does not include design or modeling of service-oriented implementation and supporting infrastructures.  Purpose of Proposed Standard: –There is currently no defined, independent standard for designing and modeling service-oriented solutions based on service-oriented architecture (SOA). Each vendor builds some design into the underlying programming language or business process/


MW+SOA-1 CSE 5810 Middleware, Service-Oriented Architectures and Grid Computing Prof. Steven A. Demurjian Computer Science & Engineering Department The.

environment. Consists of a minimal set of unifying concepts, axioms and relationships within a particular problem domain. Is independent of specific standards, technologies, implementations, or other concrete details. Reference Model Service Oriented Architecture Service Oriented Architecture is a paradigm for organizing and utilizing distributed capabilities that may be under the control of different ownership domains. Goal of this reference model is to define the essence of/


OpenGIS Web Map Tile Service Implementation Standard.

model  This clause describes the WMTS resources that can be requested by a client from a server in either the procedure oriented architectural style or in the resource oriented architectural style. It also describes the procedure oriented architectural style operations in an abstract way 7.1 Service metadata This subclause describes the ServiceMetadata document and the way in which it may be obtained using either a procedure/


Bernd Bruegge & Allen Dutoit Object-Oriented Software Engineering: Conquering Complex and Changing Systems 1 Design “There are two ways of constructing.

set of attributes and operations.  A virtual machine is a subsystem connected to higher and lower level virtual machines by "provides services for" associations.  Virtual machines can implement two types of software architecture: closed and open architectures. Bernd Bruegge & Allen Dutoit Object-Oriented Software Engineering: Conquering Complex and Changing Systems 37 Virtual Machine (Dijkstra, 1965)  A system should be developed by an ordered set/


Www.sti-innsbruck.at © Copyright 2008 STI INNSBRUCK www.sti-innsbruck.at Semantic Web Services Service Science Lecture III – 19 th March 2009 Dieter Fensel.

sti-innsbruck.at Outline What is a Service? What is Service Science? The pillars of Service Science –Service Oriented Architecture –Semantic Enables Service Oriented Architecture www.sti-innsbruck.at What is a Service? www.sti-innsbruck.at The Rise of the Service Economy www.sti-innsbruck.at Services Wide range of services: –Communication Service –Ticket Reservation Service –Transport Service –Information Service –Finance Service –E-government Service –… But what is a Service? www.sti-innsbruck.at What is a/


Using UML, Patterns, and Java Object-Oriented Software Engineering Chapter 6 System Design: Decomposing the System.

machine is a subsystem  It is connected to higher and lower level virtual machines by "provides services for" associations.  Virtual machines can implement two types of software architecture  Open and closed architectures. Bernd Bruegge & Allen H. Dutoit Object-Oriented Software Engineering: Using UML, Patterns, and Java 35 Closed Architecture (Opaque Layering)  Any layer can only invoke operations from the immediate layer below  Design goal: High/


© 2005-2006 The ATHENA Consortium. AP1 – Introduction to Service-Oriented Interoperability (SOI) Learn about service-oriented architecture (SOA) and its.

© 2005-2006 The ATHENA Consortium. http://www.modelbased.net/soi SOI website © 2005-2006 The ATHENA Consortium. 1-1. Interoperability & Service-Oriented Architecture (SOA), 7 © 2005-2006 The ATHENA Consortium. Outline Interoperability Service-oriented architecture (SOA) SOA platforms SOA challenges Introduction to the ATHENA Service-Oriented Interoperability (SOI) Framework References 8 © 2005-2006 The ATHENA Consortium. Interoperability 9 © 2005-2006 The ATHENA Consortium. Definition Interoperability (def/


Conquering Complex and Changing Systems Object-Oriented Software Engineering Chapter 6, System Design Lecture 1.

each other.  Specification of the system decomposition is critical.  Patterns for software architecture  Client/Server Architecture  Peer-To-Peer Architecture  Repository Architecture  Model/View/Controller  Pipes and Filters Architecture Bernd Bruegge & Allen Dutoit Object-Oriented Software Engineering: Conquering Complex and Changing Systems 30 Client/Server Architecture  One or many servers provides services to instances of subsystems, called clients.  Client calls on the server, which performs/


Page 1 SOA, Service Definitions, Gaps & Standards Roadmap Harmonization (Joint effort between OMG, The Open Group, OASIS and W3C) By: OMG: James Odell,

-level business processes, which providing business agility in the face of IT heterogeneity." Some Existing Definitions - Service-Oriented Architecture Page 5 The Open Group Definition: Service Oriented Architecture An architectural style that supports service orientationService orientation A way of a way of thinking in terms of services and service based development and the outcomes that services bring  Service A logical representation of a repeatable business activity that has a specified outcome (e.g/


COP 3331 Object-Oriented Analysis and Design 1 Design “There are two ways of constructing a software design: One way is to make it so simple that there.

and operations.  A virtual machine is a subsystem  It is connected to higher and lower level virtual machines by "provides services for" associations.  Virtual machines can implement two types of software architecture  Open and closed architectures. COP 3331 Object-Oriented Analysis and Design 36 Closed Architecture (Opaque Layering)  Any layer can only invoke operations from the immediate layer below  Design goal: High maintainability, flexibility VM4/


04.05.2011Unit 1 Service Oriented Architecture UNIT – I Based On Service-Oriented Architecture: Concepts, Technology, and Design By Thomas Erl Prepared.

the technology, boundaries, rules, limitations, and design characteristics that apply to all solutions based on this template. –This was the birth of the application architecture. Types Of Architecture: 1.Application architecture 2.Enterprise architecture 3.Service-oriented architecture 04.05.2011Unit 1 Application architecture Application architecture is to an application development team what a blueprint is to a team of construction workers. Different organizations document different levels of application/


A division of Data Access Technologies, Inc. 2 May 2007 Copyright © 2007 Data Access Technologies, Inc. Model Driven Service Oriented Architecture Ed Seidewitz.

services and is a black box to consumers of the service. 1 Service Oriented: A way of thinking in terms of services and service based development and the outcomes that services bring. 1 Service Oriented Architecture: An architectural style for a community of providers and consumers of services/A set of interface definitions to act as the basis for a standard GSA financial management service-oriented architecture. Page 15 Copyright © 2007 Data Access Technologies, Inc. 2 May 2007 Fundamental Concepts /


1 Data and Information Architecture: Not Just for Enterprise Architects! Gartner Enterprise Architecture Conference 13-15 June 2007, Nashville, TN Gaylord.

state, tribal, and local governments, as well as partners in the commercial and academic sectors. 19 3. Service-Oriented Architecture: SOA Community of Practice Special Recognitions at the 3rd SOA for E- Government Conference, May 1-2, 2007/Sensor – Non- Sensor Data Fusion Network Google: Net-Ready Sensors 43 6. Information Sharing Environment StepSpecifics 1. Mission Service Oriented Architecture (Goals 1-4 – recall slide 18) 2. Membership Chief Architects Forum/Industry Advisory Council, etc./MITRE Host 3/


© 2006 The MITRE Corporation. All rights reserved Approved for Public Distribution; Distribution Unlimited Reference Model for Service Oriented Architecture.

RM section 1) n General discussion of SOA (SOA-RM section 2) n Detailed discussion of Reference Model for Service Oriented Architecture (SOA-RM section 3) Discussion is encouraged throughout! © 2006 The MITRE Corporation. All rights reserved 4 Purpose of/ SOA-RM n A worked SOA example (electric utility and residential user) – put off to end n How is Service Oriented Architecture different from other IT approaches? –Difference from OO – focus on function rather than data object –Ownership boundaries – reflect/


Enterprise Architecture https://store.theartofservice.com/the-enterprise-architecture-toolkit.html.

needed to support the deployment of core, mission- critical applications https://store.theartofservice.com/the-enterprise-architecture-toolkit.html Service oriented architecture - Service-oriented enterprise architecture 1 This umbrella architecture incorporates service, composition, and inventory architectures, plus any enterprise-wide technological resources accessed by these architectures e.g. an ERP software|ERP system. This can be further supplemented by including enterprise-wide standards/


08/07/2016 1 Comparative Integrated Systems CIS007-3 Sue Brandreth Week 13: Service-Oriented Architecture (Overview)

Associated Terminology 08/07/2016 46 Associated Terminology 08/07/2016 47 BPO Business Process Outsourcing BPM Business Process Management ESP Enterprise Service Provider GDM Global Delivery Model SOA Service Oriented Architecture SODA Service Oriented Development of Applications SOBA Service Oriented Business Applications SOE Service Oriented Enterprise WS Web Services Key Standards and Terminology of SOA 08/07/2016 48 Challenges of SOA 08/07/2016 49 Technical Challenges Security challenges/


Enterprise Architecture Framework

the HL7 EA, a robust, durable business-oriented set of constructs that provide extensibility, reuse, and governance. Service-Oriented Architecture Health Level 7 Computable Semantic Interoperability Reference Model for Open Distributed Processing Model Driven Architecture SAEAF The Lens of SAEAF (2): Services-Oriented Architecture Service-Oriented Architecture (SOA) SAEAF is “services-aware;” not “just about services.” Service awareness (at the architecture level) has a need for: Behavioral Framework/


Chapter 19 – Service-oriented Architecture

specification includes a definition of the interface types and operations, the binding protocol used by the service and the service location. Services may be classified as utility services, business services or coordination services. Chapter 19 Service-oriented architecture Chapter 19 – Service-oriented Architecture Lecture 2 Chapter 19 Service-oriented architecture Service identification Is the service associated with a single logical entity used in different business processes? Is the task one that is/


Service Oriented Computing

den Heuvel “Aligning Modern Business Processes and Legacy Systems”, MIT Press, 208 pages, Feb. 2007. D. Georgakopoulos, M.P. Papazoglou “Readings in Service Oriented Computing”, MIT Press, 658 pages Dec 2008. RESEARCH PAPERS: M. P. Papazoglou, W.J. van den Heuvel "Service Oriented Architectures: Approaches,Technologies and Research Issues", VLDB Journal, vol. 16, July 2007, pp. 389-415. M. P. Papazoglou, P. Traverso, S. Dustdar/


Bas Kruiswijk Leiden 12 mei 2010 Service Oriented Architecture Part 2 - Organisational perspective.

of business functionality –This can be structured in a layered architecture © Twynstra Gudde 12-5-2010 Service Oriented Architecture 7 Basic service Basic services provide access to databases and existing systems Database Backends Basic services Existing system © Twynstra Gudde 12-5-2010 Service Oriented Architecture 8 Consumers use services Database Backends Basic services Existing system Consumers (presentation) © Twynstra Gudde 12-5-2010 Service Oriented Architecture 9 Domains are the business owners of/


Architecture. Outline Example Decomposition Style Activity 1.

step X4 Requirement System Boundary Approaches to Decomposing an Architecture Functional decomposition Data-oriented decomposition Object-oriented decomposition Process-oriented decomposition Feature-oriented decomposition Event-oriented decomposition 23 Feature-oriented Decomposition Break each requirement into services, then break services into features One component per service or feature Each feature makes the service “a little better”, E.g.: service does basic authentication one feature gives it a user/


PESOS 2011 - Third International Workshop on Principles of Engineering Service-Oriented Systems Architecture-based Reliability Analysis of Web Services.

approach and inclusion of the appropriate configuration parameters, it is expected that a more accurate reliability prediction of web service software is possible. PESOS 2011 - Third International Workshop on Principles of Engineering Service-Oriented Systems References  [App] AppDynamics, http://www.appdynamics.com/  [Erl05] T. Erl, Service-Oriented Architecture: Concepts, Technology, and Design, Prentice Hall, 2005.  [Err05] A. Erradi and P. Maheshwari, ― A Broker-based Approach for/


Architecting and Designing Software

: You can test the application separately from the UI. Chapter 9: Architecting and designing software © Lethbridge/Laganière 2005 The Service-oriented architectural pattern This architecture organizes an application as a collection of services that communicates using well-defined interfaces In the context of the Internet, the services are called Web services A web service is an application, accessible through the Internet, that can be integrated with other/


Connection-Oriented Networks1 Chapter 9: Wavelength Routing Optical Networks TOPICS –Wavelength routing networks –Protection schemes –G.709 - The digital.

may straddle over two successive OPU payloads. Cell delineation is derived using the HEC field. Connection-Oriented Networks71 Control plane architectures The control plane consists of protocols that are used to support the data plane, which is concerned/initiates the connection. It is used in all messages to identify which connections the messages apply to. Connection-Oriented Networks137 Service-related attributes Some of the attributes are: Encoding type:SONET or SDH. SONET/SDH traffic parameters –Signal /


9.5 Software Architecture

a complete system The different components generally communicate with each other using open standards such as XML. Example of a service-oriented application The Service-oriented architecture and design principles 1. Divide and conquer: The application is made of independently designed services. 2. Increase cohesion: The Web services are structured as layers and generally have good functional cohesion. 3. Reduce coupling: Web-based applications are loosely coupled/


Service-Oriented Grid Middleware HU Chun-Ming (On behalf of Mr. HUAI Jin-Peng) Beihang University CIAPR IV 2004 Shanghai, P.R.China.

Max (W d *∑ benefit (D) + W r * ∑ usage (R) ) M:D  R Forecasting & Optimizing Treating Resources as services : Masking the heterogenous resources Services Composition: Cooperative work of resources Service-Oriented Architecture : loose coupling, dynamic composition Middleware: Simplify the development, deployment and management of system May 21, 2004HU Chun-ming: Service Oriented Grid Middleware24 Testing Environment of NSFC E-Science Project Testing Environment –Testing bed Network + Physical Resources/


A Real-Time Formal Framework based on Service- Oriented approach implementing Interoperability and System Requirements Traceability Doctorate Student;

implementing Interoperability and System Requirements Traceability 15 Code Generation & Test Real-Time Framework – Implementation A Real-Time Framework based on Service-Oriented approach implementing Interoperability and System Requirements Traceability 16 Real-Time Framework - Architecture Service-Oriented Architecture (SOA) SOA common principles: services share a formal contract, are reusable, loosely coupled, composable, autonomous, stateless, discoverable, and have an abstract underlying logic. A Real/


Pattern-Oriented Distributed Software Architectures Dr. Douglas C. Schmidt Professor of EECS Vanderbilt University Nashville,

Facilitate reuse of proven software designs & architectures Guide design choices for application developers URL for POSA Books www.posa.uci.edu URL for POSA Books www.posa.uci.edu The POSA2 Pattern Language 31 POSA2 Pattern Abstracts Service Access & Configuration Patterns The Wrapper Facade design pattern encapsulates the functions and data provided by existing non-object-oriented APIs within more concise, robust, portable/


Health Information Systems Architectures and Strategies Strategic Information Management in Hospitals Manuscript 2010 chapter 6 August 2010 copyright.

be considered as the „glue‟ in between application components, i.e. in the „middle‟ of a set of components Communication server Remote function calls Service-oriented architecture (SOA) and portals ….. WJPP ter Burg MSc et. al Health Information Systems Architectures of Hospital Information Systems Communication Servers Application component supporting asynchronous communication between application components. Stands at the center of the logical tool layer of/


Service Orientation – Session I: Introduction and Fundamentals

and Fundamentals Umesh Bellur IIT Bombay Umesh@it.iitb.ac.in Session I: Contents Service orientation Web services Motivation Elements of Contrasting other architectural styles Examples of service oriented architectures Web services Introduction and motivation An evolutionary perspective Service Orientation What is a Software Architecture Style? An architectural style defines: a family of systems or a class of architectures in terms of a pattern of structural organization a vocabulary of components and/


Service-Oriented Architecture Methods to Develop Networked Library Services SOA Symposium December 9, 2005 Richard Akerman NRC CISTI.

infostructure (Csi) Background National Research Council (NRC) Canada Institute for Scientific and Technical Information (CISTI) –Canada’s national science library and publisher Architecture Group within CISTI Technology & Research Service-Oriented Architecture many definitions The OASIS Service-Oriented Architecture Reference Model “Service Oriented Architecture (SOA) is a paradigm for organizing and using distributed capabilities that may be under the control of different ownership domains.”OASIS/


Component-oriented approaches to context-aware systems – Monday 14 June 2004 1 The Contextor Infrastructure for Context-Aware Computing Gaëtan Rey, Joëlle.

Context adapter Privacy / Security / Trust History Discovery / Recovery For each layer Services are self-descriptive (meta-interface + meta-data) Services are self-configurable Services are local to global (islands of interaction and existence of servers) Services support multiple communication mechanisms (publish-subscribe, request-answer) A uniform computational model (process/data oriented) and architectural style Component-oriented approaches to context-aware systems – Monday 14 June 2004 13/


1 TTM5 Networked Services and Multimedia Systems, advanced Professor Peter Herrmann/ Postdoc Hien Nam Le Dept. Telematics (ITEM) University of Science.

System Storage Presentation Search and retrieval 8 An overview picture Multimedia System/ Application Tools, framework, architecture Development Clients Interactions 9 An overview picture Multimedia Services Service Clients Services Multimedia System/ Application Clients Interactions Service-oriented Computing/ Service-oriented Architecture Service provider Service clients Service registry Publishing Finding Binding 10 Course materials Introduction, review and background –G. Coulouris, J. Dollimore/


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