Glossary
AVVID
Cisco Architecture for Voice, Video, and Integrated Data. As the industry's only
enterprise-wide, standards-based network architecture, Cisco AVVID provides the
roadmap for combining business and technology strategies into one cohesive model.
Availability
The amount of time that a network or device is operational —in other words, the
likelihood that it will be available for use when needed.
Backbone
The part of a network that acts as the primary path for traffic moving between,
rather than within, networks. See also Core and Edge.
Bandwidth
The data-carrying capacity of a network connection, used as an indication of
speed. See also Ethernet, Fast Ethernet, and Gigabit Ethernet.
Client
A networked PC or terminal that shares services with other PCs. These services are
stored on or administered by a server. See also Server.
Cisco CMS
Cisco Cluster Management Suite Software. A unique, free software tool embedded
in Cisco Catalyst 3550 and 2950 Intelligent Ethernet Series switches. Cisco CMS
Software dramatically simplifies network management by enabling remote moni-
toring and configuration of up to 16 clustered switches at once through a single,
easy-to-use Web interface. Cisco CMS Software also eases the deployment of
intelligent services at the network edge.
Congestion
Traffic in excess of network capacity.
Convergence
The speed and ability of a group of internetworking devices running a specific
routing protocol to agree on the topology of an internetwork after a change in
that topology. Often refers to the merging of video and/or voice services onto a
data network.
Core
The innermost part of a network, where services typically originate. See also
Backbone and Edge.
Edge
The outermost part of a network, where users are typically directly connected.
See also Backbone and Core.
Ethernet
A popular LAN technology that moves packets between workstations and runs
over a variety of cable types at 10 Mbps (megabits per second).
Fast Ethernet
An extension of the Ethernet standard, offering speeds of 100 Mbps —or 10 times
the speed of standard Ethernet. See also Bandwidth, Ethernet, and Gigabit Ethernet.
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