多种网络应用程序接口的实现

Implementation of Application Progran Interface for Network

ＢＳＤＵｎｉｘ的ＳＯＣＫＥＴ和ＡＴ＆ＴＳｙｓｔｅｍＶ的ＴＬＩ（ＴｒａｎｓｐｏｒｔＬａｙｅｒＩｎｔｅｒｆａｃｅ）是Ｕｎｉｘ系统中主流的网络应用程序接。ＡＰＩ。ＳＯＣＫＥＴ与系统Ｉ／Ｏ相关连，而ＴＬＩ通过流机制实现，都分别依赖于各自操作系统的特性和机制。在操作系统国产化的要求下，同时提供ＳＯＣＫＥＴ和ＴＬＩ能极大提高系统的兼容性，但通过互相模拟或者提供两套系统都不能很好地同时实现ＳＯＣＫＥＴ和ＴＬＩ。ＣＯＮＥＴＶ２．０作为国产网络系统软件，采用优秀的ｘ－ｋｅｒｎｅｌ机制，它先进的面向对象和多线程特性很好地解决了以上难题。文章扼要说明了ＳＯＣＫＥＴ和ＴＬＩ的差异，并详细讨论了在ＣＯＮＥＴＶ２．０中同时实现两者的细节。

SOCKET of BSD Unix and TLI of AT&T System V both are common Application Program interfaces(API) for network in Unix operating system. SOCKET is associated with l/O of operating system, and TLI is implemented by Stream mechanism of AT&T System V. Their implementation both depend on the characteristic andmechanism of their operation system. It will improve its compatibility to implement the both APIs when implementing a indigenous operating system. But it isn't done well by simulating each other or providing two systems.CONET V2.0 is a indigenous network system which use excellent x--kernel mechanism. The problem is solved wellby its characteristics Of object--oriented and multithread. This paper first outlines the difference between the twoAPIs, then presents in detail their implementations in CONET V2.0.