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Research and Implementation of SOA Service Integration Technique Based on OSGI

Author: BaiHaoPing
Tutor: SongJunDe
School: Beijing University of Posts and Telecommunications
Course: Applied Computer Technology
Keywords: OSGI SOA Distributed Service portfolio Service integration
CLC: TP311.52
Type: Master's thesis
Year: 2009
Downloads: 329
Quote: 3
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Abstract


With the business facing into the era of knowledge economy, globalization and the flattening of the rapid changes, today's enterprises and public utility companies how to quickly strain the real-time requirements, how can dynamically with value network partners, key customers seamless collaboration, co-innovation, has become an urgent need to address the problem. All of these must ultimately rely on the enterprise IT strategy, enterprise IT and development of the overall framework and guidance system developed based on the business development goals and business strategy. Enterprise architecture (Enterprise Architecture, EA) is the core part. The development of enterprise architecture is a very challenging thing, it is complicated, time-consuming and labor-intensive, the need to cope with constant change and possible political problems. Service-oriented architecture (Service Oriented Architecture, SOA) with the dynamic module system for Java-based (formerly the Open Service Gateway Initiative, now DynamicModule System for Java, referred to as OSGI) at the macro and micro aspects were answered on the part of the enterprise architecture problems. SOA is an application framework, is the accumulation of technologies and standards, it focused on the macro aspects of the enterprise architecture, enterprise application is divided into individual business functions and processes, thereby enhancing the flexibility of business processes. This operational flexibility allows enterprises to accelerate the pace of development, lower total cost of ownership, improve timely access to accurate information, but also by the combination of the old service to provide new services. OSGI focus on the actual software development, strict rules set based on the \I found in actual SOA implementation the current SOA there are two problems: First, the lack of a practical operational SOA framework to ensure that the the SOA theory of implementation; center controlled combination makes the efficiency of the implementation of the new service to reduce. Thesis put forward the corresponding solutions for these two problems. Thesis, fusion the OSGI and SOA integration technology, a party to take advantage of OSGI operability in the microscopic field of software architecture to make SOA more can be implemented; the other hand, the Web Service technology introduced to the OSGi system, making OSGI service can directly through the use of a new OSGI service to call the other virtual machines in service, users can transparently OSGI service has run correctly exposed to remote virtual machines. Of OSGI microkernel structure based on design three universal service extended to remote services registered by OSGI local service registration and to provide local and remote agents to achieve real fusion of SOA and OSGI. The new Distributed OSGI framework can not modify any code to become a true SOA services, makes traditional OSGI service and local OSGI service can call remote OSGI services like calling the local service, the whole process is transparent distributed OSGI framework , making the entire SOA integration simple, actionable. Finally, also proposed a new distributed combination agreement, follow the signaling data phase separation to \signaling to achieve the purpose of transmitting only the necessary data. This agreement can be attached to the SOAP message header by extending Web Service Framework for Distributed OSGI framework used to achieve this agreement, and embedded distributed OSGI system.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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