Brocade Glossary (53-1000040-03, November 2006)

6 Brocade Glossary

Publication Number: 53-1000040-03

Glossary

compact flash Volatile flash memory used in a manner similar to hard disk storage. It is connected to a bridging

component that connects to the PCI bus of the processor. Not visible in the processor's memory space.

Condor A Brocade 4-Gbit/sec switch and director ASIC.

controlled port A port that fulfils one of the following conditions: a) is a member of an Admin Domain, either explicitly

assigned or part of AD0, or b) if the switch to which the port belongs is a member of an Admin Domain.

configuration (1) A set of parameters that can be modified to define the operational characteristics of a switch.

(2) In Brocade Zoning, a zoning object that contains a set of zones; analogous to a zone set used by

other Fibre Channel switch vendors. See also zone configuration.

congestion The reduction of throughput below the requested amount either due to oversubscription within a fabric

of switches or within a group of interconnected ASICs inside a switch. A congested link is an ISL on

which multiple devices have collectively requested more throughput than the link supports at one time.

core PID The default PID mode for SilkWorm 200E, 3016, 3250, 3850, 3900, and 4100 switches and SilkWorm

directors, the recommended format for Brocade switches and fabrics. It uses the entire 8-bit address

space and directly uses the port number as the area_ID. It supports up to 256 ports per switch. See also

VC Encoded PID, native PID, and extended edge PID.

CP1 The first-generation director CP blade provided with the SilkWorm 12000. This CP supports 1- and 2-

Gbit/sec port speeds. It supports only the dual domain configuration in the chassis.

CP2 The second-generation director CP blade provided with the SilkWorm 24000. This CP supports 1- and

2-Gbit/sec port speeds. It supports both a dual domain and a single domain configuration in the chassis.

CP4 The third-generation director CP blade provided with the SilkWorm 48000. This CP supports 1-, 2-, and

4-Gbit/sec port speeds, as well as 16-, 32-, and 48-port 4-Gbit/sec blades. It also supports the FR4-18i

blade when set to chassisConfig mode 5.

CRC Cyclic redundancy check. A check for transmission errors, included in every data frame.

credit In Fibre Channel technology, the number of receive buffers available to transmit frames between ports.