In telecommunications and computer networking, Abstract Syntax Notation One (ASN.1) is a standard and flexible notation that describes data structures for representing, encoding, transmitting, and decoding data.

• 在电信和计算机网络领域；ASN.；1(Abstract Syntax Notation one)是一套标准；是描述数据的表示、编码、传输、解码的灵活的记法。