组通信中虚拟同步协议的研究与设计

RESEARCH AND DESIGN OF THE VIRTUAL SYNCHRONIZATION PROTOCOL IN GROUP COMMUNICATION

在组通信中 ,虚拟同步通信是一个非常重要的通信模型 ,它保证组成员的失效不会导致消息的不完全传递 .为了有效地支持分布式容错应用及协同应用的开发 ,在对与虚拟同步通信相关的失效检测问题及分布式一致性问题研究的基础上 ,将虚拟同步通信问题转换成一致性问题 ,提出了一个基于一致性协议的虚拟同步协议 。

In group communication, virtual synchronization communication is a very important communication model that guarantees that the failure of group member can't lead to the delivery of the uncompleted message set. In order to effectively support the development of the distributed fault tolerant applications and the cooperative applications, based on the research of the failure detector problem and the consensus problem, the virtual synchronization is converted to the consensus problem and a virtual synchronization protocol is proposed based on the consensus protocol. A virtual synchronization service is also designed and implemented.