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List of terms

A class scheduler uses emission priority to determine relative importance between service classes for the purpose of determining which service class data is forwarded to the next queue.

end of message (EOM) cell

The last cell in a series of cells that result from segmentation of higher-layer packets or frames. The EOM cell marks the last cell in the cell series that represents one packet or frame.

endpoint (EP)

The software managing the subscriber access point. The endpoint can include the software for the access service, the virtual channel or path, or the logical connection.

end system

A system on which connection termination points are located.

end-to-end connection

The entire connection within the PNNI network from the PNNI source node to the PNNI destination node.

enterprise module (EM)

The root-level component of Nortel Multiservice Switch node. Its instance value is the node name.

entry border node

The node that receives a call over an outside link. This node is the first within a peer group to see the call.

EOM

See end of message (EOM) cell (page 48).

EP

1See endpoint (EP) (page 48).

2See emission priority (EP) (page 47).

EPD

See early packet discard (EPD) (page 46).

equipment sparing

Switching service functionality from failed hardware to equivalent standby hardware. For CPs and FPs, one-for-one sparing enables a spare processor card to stand by for an equivalent single main processor card. One-for-nsparing enables a spare processor card to stand by for “n” main processor

Nortel Multiservice Switch 7400/15000/20000

Terminology

NN10600-005 7.2S1 Standard

PCR7.2 and up March 2006

Copyright © 2006, Nortel

Nortel Confidential

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Panasonic 15000 manual Eom, Epd