1.引言由于计算机通信技术的发展以及社会对数据通信的需要,很多国家都在建立公共数据网,并且大都采用包交换技术。同时,随着数据通信服务范围的广泛分布,本地网络与计算机之间的互相连接已经变得非常重要。可以期望,在将来计算机之间通过包交换的公共数据网进行通信是很普通的。在这种情况下,网络与用户终端(例如主计算机和终端)之间的接口和协议是非常重要的。同时,它们包含着许多需要解决的问题。本文对“协议机器”(Protocol machine)提出一种想法,协议机器的目的在于适应各类协议,使不同的计算机、终端和专用网络可以方 1. Introduction Due to the development of computer communication technology and the need of society for data communication, many countries are establishing public data networks, and most of them use packet-switched technology. At the same time, with the widespread distribution of data communications services, the interconnection of local networks and computers has become very important. It can be expected that it is not uncommon for computers in the future to communicate via a packet-switched public data network. In this case, the interface and protocols between the network and user terminals (such as host computers and terminals) are very important. At the same time, they contain many problems to be solved. This paper presents an idea for a “protocol machine,” a protocol machine that is designed to accommodate a wide range of protocols so that different computers, terminals, and private networks can