MPLS Guide Supported Standards and Protocols
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G.8261—Timing and synchronization aspects in packet networks
G.8262—Timing characteristics of synchronous Ethernet equipment slave clock
GR 1244 CORE—Clocks for the Synchronized Network: Common Generic Criteria
IEC/IEEE 61850-9-3—Communication networks and systems for power utility 
automation - Part 9-3: Precision time protocol profile for power utility 
automation
IEEE C37.238-2017 - IEEE Standard Profile for Use of IEEE 1588 Precision Time 
Protocol in Power System Applications
IEEE Std 1588-2008—IEEE Standard for a Precision Clock Synchronization 
Protocol for Networked Measurement and Control Systems
IEEE Std 1588-2008—IEEE Standard for a Precision Clock Synchronization 
Protocol for Networked Measurement and Control Systems, Annex E – 
Transport of PTP over User Datagram Protocol over Internet Protocol 
Version 6
ITU-T G.8264—Telecommunication Standardization Section of ITU, Distribution of 
timing information through packet networks, issued 10/2008
ITU-T G.8265.1—Telecommunication Standardization Section of ITU, Precision time 
protocol telecom profile for frequency synchronization, issued 10/2010
ITU-T G.8275.1—Telecommunication Standardization Section of ITU, Precision time 
protocol telecom profile for phase/time synchronization with full timing support 
from the network, issued 07/2014
ITU-T G.8275.2—Telecommunication Standardization Section of ITU, Precision time 
protocol telecom profile for time/phase synchronization with partial timing 
support from the network, issued 06/2016
RFC 5905—Network Time Protocol Version 4: Protocol and Algorithms Specification
TACACS+
IETF draft-grant-tacacs-02.txt—The TACACS+ Protocol
TWAMP
RFC 5357—A Two-Way Active Measurement Protocol (TWAMP)
VPLS
RFC 4762—Virtual Private LAN Services Using LDP
VRRP
RFC 2787—Definitions of Managed Objects for the Virtual Router Redundancy 
Protocol
RFC 3768 Virtual Router Redundancy Protocol
RFC 5798 Virtual Router Redundancy Protocol Version 3 for IPv4 and IPv6