Enhancing the Serviceability and the Availability of IMS-Based Multimedia Services: Avoiding Core Service Failures

M. Boucadair, P. Morand, I. Borges, M. Tomsu
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引用次数: 3

Abstract

The delivery of a highly available and robust service offering is one of the critical objectives of service providers. Reaching this objective depends on the level of control service providers have on underlying transport infrastructure. Despite current deployment of IMS-based architectures assumes a vertical integration, IMS-based services can be offered without having a control on the underlying IP network. This paper introduces a solution to enhance the robustness of IMS-based architectures without assuming a vertically integrated system. The paper focuses on failures experienced by core service nodes and describes an autonomic solution to allow customers to access to the service during failures. This paper introduces a novel entity called SBC_PROXY which relays messages from peer SBCs (session border controller) to core service platform. An autonomous mode in which all SBCs are involved in the lookup and routing processes is also described. This paper does not make any assumption on the nature of the service which is offered through IMS. Nevertheless, a focus is put on session-based services such as audio/video telephony.
增强ims多媒体业务的可服务性和可用性:避免核心业务故障
交付高可用性和健壮的服务是服务提供者的关键目标之一。实现这一目标取决于服务提供商对底层运输基础设施的控制水平。尽管基于ims的体系结构的当前部署假设了垂直集成,但是可以在不控制底层IP网络的情况下提供基于ims的服务。本文介绍了一种在不假设垂直集成系统的情况下提高基于ims的体系结构鲁棒性的解决方案。本文主要关注核心服务节点所经历的故障,并描述了一种允许客户在故障期间访问服务的自治解决方案。本文介绍了一种名为SBC_PROXY的新型实体,它将会话边界控制器(sbc)的消息转发到核心服务平台。还描述了一种自治模式,其中所有sbc都参与查找和路由过程。本文对通过IMS提供的服务的性质不作任何假设。然而,重点放在基于会话的服务上,如音频/视频电话。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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