一种轻量级低成本媒体服务器的研制  

Development of a Kind of Light-weight Low-cost Media Server

作　　者：齐幸辉 张庚[2] 刘革[3] 

机构地区：[1]河北远东哈里斯通信有限公司,河北石家庄050200 [2]中国电力科学研究院,北京100192 [3]四川省电力公司,四川成都610041

出　　处：《无线电工程》2014年第2期1-4,共4页Radio Engineering

基　　金：国家电网公司纵向科技项目(XX17201200034)

摘　　要：针对媒体服务器在下一代网络(Next Generation Network,NGN)建设中成本过高的问题,提出了一种轻量级低成本的媒体服务器设计实现方案。提出了系统的开发需求,采用轻量级框架、开源组件和协议栈以及复用成熟稳定的B2BUA开发平台,重点阐述了系统框架、媒体服务器控制和会议功能的设计实现。测试表明,系统实现了媒体服务器的基本功能,且功能和性能具备进一步提升的空间,同时系统不依赖于具体的硬件平台。Aiming at the high cost problem of media server in the NGN construction,the design and implementation of a kind of light-weight and low-cost media server is put forward.The system development requirement is presented, such as light-weight racks, open source components and protocol stacks,as well as the B2BUA development platform that has mature and stable muhiplexing.The design and implementation of system framework, media server control and conference function are specially described.The tests results show that the basic functions of media server can be implemented, the functions and performances can be improved in further and the system does not reply on specific hardware platforms.

关 键 词：媒体服务器 B2BUA 媒体服务器标记语言(MSML) 会议功能 SIP 

分 类 号：TN919[电子电信—通信与信息系统]