Specifications

Terms and Definitions
December 02, 2010 Page 4 of 5
Flex-Edge An S-Series platform capability to classify and prioritize traffic as it enters the switch,
assert flow control, and ensure that higher priority traffic received by the switch is
forwarded to the packet processor ahead of lower priority traffic.
MAC pause A notification to a downstream port to temporarily stop sending packets to this port.
Media Access
Control (MAC)
An advanced processing chip capable, in the Flex-Edge context, of applying packet
classification and bandwidth control to ingressing packets, as well as sending a MAC
pause downstream for the congesting port.
priority queuing The ability to queue packets based upon traffic classification to assure that higher
priority traffic is serviced by the port ahead of lower priority traffic.
QoS Quality-of-Service.
VoIP Voice-over-IP
Table 1 Flex-Edge Terms and Definitions (continued)
Term Definition