Cisco AS5800 Specifications download pdf (Page 310)

Glossary

Cisco AS5800 Operations, Administration, Maintenance, and Provisioning Guide

DOC-7810814=

packet

A bundle of data packaged for transmission over a network. Packets can be various lengths, ranging from about 40 bytes up to

32,000 bytes on the Internet, but typically about 1,500 bytes in length. The Asynchronous Transfer Mode, a new standard for

switching data of various types over private and public networks, specifies a packet of uniform 53 byte length.

personal communication service (PCS)

Wireless technology that offers ways to exchange voice and data. Competition for cellular telephones.

point of presence (PoP)

A physical location within a LATA at which an IC establishes itself for the purpose of obtaining LATA access, and to which

the BOC provides access services.

point-to-point

A communications circuit between two terminations which does not connect with a public telephone system.

pool subrange

A contiguous range of modems. The pool-range set for a modem-pool is the logical union of a set of pool sub-ranges.

port

Entrance or access point to a computer, multiplexor device, or network where signals may be supplied, extracted, or observed.

public switched telephone network (PSTN)

General term referring to the various telephone networks and services in place worldwide. Sometimes called plain old

telephone service (POTS).

protocol

A set of rules about how computers act when talking to each other. Standard protocols are Ethernet, IEEE 802.5 token ring,

X Modem or Kermit.

quality of service (QoS)

A contracted data rate that is negotiated between two ATM end points that guarantees throughput and data delivery. A

measurement of performance for a transmission system that reflects its transmission quality and service availability.

queue

A temporary delay in providing service caused by the inability of the system provided to handle the number of messages or

calls attempted.

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Cisco AS5800 Specifications Page 310