| 1. | The major contributions of this thesis are as follows : it proposes a coordination protocol , which manages the message exchanging about resource operation between client application and resource owners , and provides the applications with consistent resource status . the resource providers can retain control of their resources while taking part in multiple coordination instances 其创新点体现在:提出了一种web服务环境下的资源预定协议,在应用与资源提供者间就资源利用情况进行协调,通过统筹考虑资源的需求情况,使资源提供者能够为应用提供一致性的资源状态;通过及时交还资源状态的改变,降低应用运行异常的可能性。 |