MPOA: Multi Protocol Over ATM
MPPC: Microsoft Point-to-Point Compression
MSDP: Multicast Source Discovery Protocol
MSNP: Microsoft Notification Protocol
MTP: Message Transfer Part
MultiPPP: MultiLink PPP
NARP: NBMA Address Resolution Protocol
NAT: Network Address Translation
NAU: Network Addressable Unit
NBP: Name Binding Protocol
NCP: NetWare Core Protocol
NCP: Network Control Protocols
NDMP: Network Data Management Protocol
NDP: Neighbor Discovery Protocol
NDS: NetWare Directory Service
NetBIOS: Network Basic Input Output System
NETCONF: Network Configuration Protocol
NFS: Network File System
NHRP: Next Hop Resolution Protocol
NLSP: NetWare Link State Protocol
NNTP: Network News Transfer Protocol
NNTP: News Network Transfer Protocol
NSP: Network Service Part
NSP: Network Service Protocol
NSP: Network Services Protocol
NTCIP: National Transportation Communications for Intelligent Transportation System Protocol
NTP: Network Time Protocol
OSINLCP: OSI Network Layer Control Protocol
OSPF: Open Shortest Path First
OTN: Optical Transport Network
PAP: Password Authentication Protocol
PAP: Printer Access Protocol
PDH: Plesiochronous Digital Hierarchy
PEP: Packet Exchange Protocol
PIM-DM: Protocol Independent Multicast - Dense Mode
PIM-SM: Protocol Independent Multicast - Sparse Mode
PMAP: Port Mapper
PNNI: Private Network-to-Network Interface
POP: Post Office Protocol
POP3: Post Office Protocol version 3