The paper introduces the concept of IEEE 1588 synchronization mechanisms and explains then in more detail how PTP was enhanced, e.g. by Transparent Clock (TC), peer-to-peer delay measurement, unicast operation, pure layer 2 operation,enhanced accurac

中国移动TD 1588技术规范，行业标准，-China Mobile TD 1588 technical specifications, industry standards,

1588协议,介绍了1588v2 协议详细内容，可以作为1588设计参考-ieee1588 protocol