Hitachi GR4000 Series Quick Start Manual page 6

GR4000 Quick Start Guide, Revision 1 - Preliminary
UPC Usage Parameter Control
VBR Variable Bit Rate
VC Virtual Channel/Virtual Call/Virtual Circuit
VCI Virtual Channel Identifier
VLAN Virtual LAN
VP Virtual Path
VPI Virtual Path Identifier
VPN Virtual Private Network
VRRP Virtual Router Redundancy Protocol
WAN Wide Area Network
WFQ Weighted Fair Queueing
WS Work Station
WWW World-Wide Web
IEEE802.1p: This is not the official name of the standards since IEEE802.1p standards have been integrated
into IEEE802.1d; however, it is in broad general use as the name of standards specifying QoS L2 user
priority.
Acronyms in GR4000
BCU
CP
MC
NIF
PRU
PS
RM
S/W
Numerical Conversion
1KB
1MB
1GB
1kbit/s
1Mbit/s
1Gbit/s
1kpacket/s
1Mpacket/s
1Gpacket/s
vi
Basic Control module
Multilayer Control Processor
Compact flash Memory Card
Network Interface Module
Packet Routing Module
Power Supply
Routing Manager
Software
2 to the 10th power (1,024 bytes)
2 to the 20th power (1,048,576 bytes)
2 to the 30th power (1,073,741,824 bytes)
10 to the 3rd power bits/s (1,000bit/s)
10 to the 6th power bits/s (1,000,000bit/s)
10 to the 9th power bits/s (1,000,000,000bit/s)
10 to the 3rd power packets/s (1,000packet/s)
10 to the 6th power packets/s (1,000,000packet/s)
10 to the 9th power packets/s (1,000,000,000packet/s)
QSGGR4K00-10 5794047-1X