Hitachi GR2000 Series - Manual (Page 9)

GR2K-GA-0015 ix
Ver. 07-02
NLA ID Next-Level Aggregation Identifier
NLP Network Layer Protocol
NRZ Non-Return-to-Zero
NSAP Network Service Access Point
NSSA Not So Stubby Area
NTP Network Time Protocol
OAM Operation Administration and Management
OC-12c Optical Carrier level 12 concatenation
OC-3c Optical Carrier level 3 concatenation
OC-48c Optical Carrier level 48 concatenation
ONU Optical Network Unit
OSI Open Systems Interconnection
OSPF Open Shortest Path First
OUI Organizationally Unique Identifier
PPS Packets Per Second, sometimes abbreviated as packets/s
PAD PADding
PADI PPPoE Active Discovery Initiation
PADO PPPoE Active Discovery Offer
PADR PPPoE Active Discovery Request
PADS PPPoE Active Discovery Session-confirmation
PADT PPPoE Active Discovery Terminate
PC Personal Computer
PCR Peak Cell Rate
PDB Permanent Data Base
PDU Protocol Data Unit
PHY PHYsical layer protocol
PID Protocol IDentifier
PIM Protocol Independent Multicast
PIM-DM Protocol Independent Multicast-Dense Mode
PIM-SM Protocol Independent Multicast-Sparse Mode
PIM-SSM Protocol Independent Multicast-Source Specific Multicast
PLD Programmable Logic Design
POS PPP over SONET/SDH
PPPoE PPP over Ethernet
PPS Packet Per Second
PRI Primary Rate Interface