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本文介绍了 ＭＡＰ／ＭｉｎｉＭＡＰ网的体系结构，抽象语法符号表示法（ＡＳＮ·ｌ）基本编码规则，ＭＭＳ协议数据单元的编码，ＬＬＣ协议数据单元的编码，ＭｉｎｉＭＡＰ协议的分析和实现，并与ＨＰ—４９７４协议分析仪作对比和讨论。
This paper introduces the architecture of MAP / MiniMAP network, the basic coding rules of ASN · l, the encoding of MMS protocol data unit, the coding of LLC protocol data unit, the analysis and implementation of MiniMAP protocol, 4974 protocol analyzer for comparison and discussion.