Since communication protocol deals with complex issues related to distribution such as communication, concurrency and synchronization, their development needs to be traced by using sophisticated formal description met...Since communication protocol deals with complex issues related to distribution such as communication, concurrency and synchronization, their development needs to be traced by using sophisticated formal description methods. This paper presents a new hybrid formal method for communication protocol specification. In this method, finite state machine (FSM), communication sequential process (CSP) and abstract data type (ADT) are mixed and the best features of these approaches are offered. In this paper, the main formal description techniques (FDT) for protocol engineering are brieny introduced and a hybrid formal description method based on the FSM, CSP and ADT for communication protocol is described. Finally, this paper presents the formal specification of an example protocol for LAN by using the proposed hybrid formal method. The results of studies show that the hybrid formal description method for communication protocol is an available and effective approach.展开更多
主要针对AADL(architecture analysis and design language)嵌入式系统体系结构进行可靠性建模,实现AADL可靠性模型到广义随机Petri网(general stochastic Petri net,简称GSPN)可靠性计算模型的转换,并基于GSPN可靠性计算模型对嵌入式...主要针对AADL(architecture analysis and design language)嵌入式系统体系结构进行可靠性建模,实现AADL可靠性模型到广义随机Petri网(general stochastic Petri net,简称GSPN)可靠性计算模型的转换,并基于GSPN可靠性计算模型对嵌入式系统进行可靠性评估.为了支持可靠性分析评估过程的自动化,根据模型转换的形式化方法,设计并实现了AADL可靠性评估工具(AADL reliability assessment model tool,简称ARAM),该工具集成在AADL体系结构设计工具OSATE(the open source AADL tool environment)中,并内置Petri网计算工具PIPE2(platform independent Petri net editor2),实现基于GSPN模型的可靠性分析评估.同时,结合航空飞行控制系统的可靠性分析评估介绍了ARAM工具的应用情况.展开更多
文摘Since communication protocol deals with complex issues related to distribution such as communication, concurrency and synchronization, their development needs to be traced by using sophisticated formal description methods. This paper presents a new hybrid formal method for communication protocol specification. In this method, finite state machine (FSM), communication sequential process (CSP) and abstract data type (ADT) are mixed and the best features of these approaches are offered. In this paper, the main formal description techniques (FDT) for protocol engineering are brieny introduced and a hybrid formal description method based on the FSM, CSP and ADT for communication protocol is described. Finally, this paper presents the formal specification of an example protocol for LAN by using the proposed hybrid formal method. The results of studies show that the hybrid formal description method for communication protocol is an available and effective approach.
文摘主要针对AADL(architecture analysis and design language)嵌入式系统体系结构进行可靠性建模,实现AADL可靠性模型到广义随机Petri网(general stochastic Petri net,简称GSPN)可靠性计算模型的转换,并基于GSPN可靠性计算模型对嵌入式系统进行可靠性评估.为了支持可靠性分析评估过程的自动化,根据模型转换的形式化方法,设计并实现了AADL可靠性评估工具(AADL reliability assessment model tool,简称ARAM),该工具集成在AADL体系结构设计工具OSATE(the open source AADL tool environment)中,并内置Petri网计算工具PIPE2(platform independent Petri net editor2),实现基于GSPN模型的可靠性分析评估.同时,结合航空飞行控制系统的可靠性分析评估介绍了ARAM工具的应用情况.
