g-4 EMC Connectrix DS-32B2 and ED-12000B Fabric OS Reference Manual
Glossary
Buffer to Buffer Flow
Control Management of the frame transmission rate in either a point-to-point
topology or in an arbitrated loop. See also BB_Credit.
CCascade The interconnection means through which data flows from one
switch to another in a fabric.
Chassis The metal frame in which the switch and switch components are
mounted.
Circuit An established communication path between two ports. Consists of
two virtual circuits capable of transmitting in opposite directions. See
also Link.
Class 1 The class of frame-switching service that provides a dedicated
connection between two communicating ports (also called
connection- oriented service), with acknowledgment of delivery or
nondelivery of frames.
Class 2 A connectionless class of frame switching service that includes
acknowledgment of delivery or nondelivery of frames.
Class 3 A connectionless frame switching service that does not include
acknowledgment of delivery or nondelivery of frames. Can be used
to provide a multicast connection between the originator and
recipients, with acknowledgment of delivery or nondelivery of
frames.
Class F The class of frame switching service for a direct connection between
two switches, allowing communication of control traffic between the
E_Ports, with notification of delivery or nondelivery of data.
Class of Service A specified set of delivery characteristics and attributes for frame
delivery.
CLI Command line interface. Interface that depends entirely on the use of
commands, such as through Telnet or SNMP, and does not involve a
graphical user interface.
Comma A uniq ue pa tter n (ei ther 1100 000 o r 0011111 ) use d in 8 b/10 b enc odin g
to specify character alignment within a data stream. See also K28.5.