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引用次数: 0
摘要
目前，视频会议业务是依赖于供应商的业务，会议用户在会议开始之前必须手动预装相同的会议软件。此外，会议用户还必须满足不适应业务的要求。在本文中，我们提出了一种基于元有源网络(YAN)的有源视频会议服务(AVCoS) [Chang Yang-Hui et al.(2002)]。avco采用YAN架构，由应用层、增值层和网络通用层组成。这些组件是可扩展、可替换和可部署的。通过YAN的服务组合，avco允许用户自定义描述概要文件的模板服务，称为“ASDI”，它描述了如何组合这些组件。因此，用户可以通过一个主页来调整服务的功能，以适应当前的会议节点环境和网络环境。然后，ASDP (Active service Deployment Protocol)将根据定制的ASDI，动态地将avco的软件组件部署到活动节点和用户。因此，AVCoS可以适应不同类型的用户
AVCoS: the component-based video conference service overactive networks
Nowadays, a video conference service is a provider-dependent service, in which conferencing users must manually pre-install same conferencing software before a conferencing session startups. Furthermore, the conferencing users must comply with requirements of the un-adaptable service. In this paper, we propose an active video conference service (AVCoS) over Yuan active networks (YAN) [Yang-Hui Chang et al. (2002)]. Following YAN architecture, AVCoS consists of application, value-added and network generic layer components. The components are extendable, replaceable and deployable. Via service compositions of YAN, AVCoS allows a user can customize a template service describing profile, called "ASDI", which describes how to composite those components. Therefore, the user can adapt functionalities of the service by a homepage to meet current conference node environment and network environment Then, Active Service Deployment Protocol (ASDP) will deploy software components of AVCoS to active nodes and the users on the fly according to customized ASDI. Thus, AVCoS adapts itself to meet heterogeneous users
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