Windows Server 2003 implementation of WINS supports persistent connections, which means servers do not need to disconnect when replication is complete.
Point-to-Point Protocol (PPP)
A communication protocol used by dial-up remote access clients. PPP has become an industry-standard communications protocol because of its popularity; it provides support for multiple network protocols, including TCP/IP, IPX/SPX, and NetBEUI.
primary zone
Type of zone that maintains the master writable copy of the zone in a text file. An update to the zone must be performed from the primary zone.