一种用于科研协同的电子白板系统的设计与实现

Design and Implementation of White Board in Scientific Research Collaboration Environment

随着大规模网络协同技术的发展,科研协同日益成为重要和普遍关注的问题。它能够为科学工作者构建基于网络的科学研究与科研管理的虚拟环境,电子白板是科研协同环境中的重要的支撑应用之一。文中从系统结构、冲突消除、一致性维护、并发控制等科研协同的关键问题进行讨论,然后提出一种混合模式的系统结构、半乐观的加锁策略和基于接收者因果保证机制解决并发性控制和一致性维护的问题,同时提出了一种基于分页的转发策略,并将其运用在原型系统的实现中,取得了良好一致性和实时性。

With the development of large- scale collaboration network technology, the scientific research is increasingly becoming an attractive problem and will be more important. It can offer scientific workers a virtual environment for scientific research and management which based on network. White board is one of the most important support applications in scientific research collaboration environment. Some key issues such as system architecture, conflict elimination, consistency, concurrency control ete are discussed and their solutions are proposed respectively. The implementation of white board based on above mechanism is given.