[7] IEEE Std 1588-2008, IEEE Standard for a Precision Clock Synchronization Protocol for Networked Measurement and Contr-ol Systems[S].
[11] IEEE Std 802.3baTM-2010, Amendment4:Media Access Control Parameters, Physical Layers,and Manage- ment Parameters for 40 Gbit/s and 100 Gbit/s Operation[S].