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Study on a Generic Service Description Model

机译:通用服务描述模型的研究

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摘要

Attractive services will be the crucial factor in the future competition of communication service providers. While system heterogeneity and service convergence complicate the service provisioning process, there are still no common models to support early service analysis. This paper proposes an implementation and network platform independent model for service description. It consists of four elements: EP (endpoint), LI (communication link), ELR (relations between endpoints and communication links) and LR (relations between communication links). We analyze the attributes of EP and LI which are static parts of a service and present ELR and LR by directed graphs which describe all possible behavior of the service. This model contains most basic properties used for requirements analysis and service architecture design, can support arbitrary number of users and one user can communicate with others in an arbitrary way. In the end, a multimedia conference service is described to verify the practicability of this model.
机译:有吸引力的服务将成为通信服务提供商未来竞争的关键因素。尽管系统异构性和服务融合使服务供应过程复杂化,但仍然没有通用模型来支持早期服务分析。本文提出了一种实现和网络平台无关的服务描述模型。它由四个元素组成:EP(端点),LI(通信链接),ELR(端点与通信链接之间的关系)和LR(通信链接之间的关系)。我们分析EP和LI的属性,它们是服务的静态部分,并通过描述该服务所有可能行为的有向图呈现ELR和LR。该模型包含用于需求分析和服务体系结构设计的最基本属性,可以支持任意数量的用户,并且一个用户可以任意方式与其他用户通信。最后,描述了多媒体会议服务以验证该模型的实用性。

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