NTP= Network Time Protocol
SNTP= Simple Network Time Protocol
PTP=Precision Time Protocol
UTC=Universal Time Coordinated
TCXO=Temperature Compensated Crystal Oscillators
OCXO=Oven Controlled Crystal Oscillators
GPS=Global Positioning System
SAASM=Selective Availability Anti-Spoofing Module
LDAP=Lightweight Directory Access Protocol
FTP=File Transfer Protocol
SNMP=Simple Network Management Protocol
IPv4= Internet Protocol version 4
IPv6= Internet Protocol Version 6
RFC= Request for comments
IETF= The Internet Engineering Task Force
TCP=Transmission Control Protocol
DHCP= Dynamic Host Configuration Protocol
DAD= Duplicate address Detection
NAT=NEtwork Address Translation
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Main Master Clock
GPS Time Server
Time Server
NTP Server