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http://dx.doi.org/10.3745/KIPSTC.2004.11C.7.937

An Active Network Execution Environment for on Demand Customization of Communication Protocols and Services  

Lee Hwa Young (LG전자 홈넷사업팀 시스템개발그룹)
Kang Bo-young (경북대학교 대학원 컴퓨터과학과)
Lim Kyungshik (경북대학교 컴퓨터과학과)
Publication Information
The KIPS Transactions:PartC / v.11C, no.7, 2004 , pp. 937-950 More about this Journal
Abstract
In this paper, we present the design and implementation of new execution environment named Customizable Architecture for Flexible Execution Environment(CAFEs) that supports the mechanism of protocol customization and service referencing. We introduce a new concept as micro protocols and active services to enhance software reusability. Micro protocol represents a specific algorithm or functionality of existing network protocol and the active service is in charge of binding legacy application and releasing the active network oriented services. The pro-posed active network execution environment is made up of three parts, virtual network system, protocol and service manager, event engine. First, the virtual network system is used to connect each active nodes using virtual network channels which are based on multiple existing protocol layers. Second, the protocol and service manager is responsible for composing micro protocols and active services to develop new network proto-col and service easily. Finally, the event engine is used to detect the automatic transition of system components using event delegation model. To verify the CAFTs, we have an experiment about the delivery of web contents which are suitable for the user's terminals in the wireless Internet environment. As a result. we are able to obtain the availability of developed execution environment.
Keywords
Execution Environment; CAFES; Micro Protocol; Active Service; Active Network;
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