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List of terms

DNA

See data network address (DNA) (page 39).

DNSIX

See Defense Network Secure Information Exchange (DNSIX) (page 41).

domain

See PNNI routing domain (page 103).

domain-based rerouting (DBR)

An ATM Forum standard protocol that enables the PNNI network to employ a rerouting mechanism that protects a connection segment within one or more local rerouting domains.

double-ended accounting

Accounting records are generated at both the ingress and egress ends of the connection. This option is available for both frame relay and ATM accounting features. BothEnds is another term for a double-ended accounting record for frame relay accounting. Double-ended accounting is recommended for ATM accounting over single-ended accounting to ensure the records reflect the actual amount of data transported from end to end.

downspeeding

In bit-transparent data service (BTDS) software, the capability of decreasing the data rate by adjusting the physical clock speed of the line in response to congestion.

DPN

See data packet network (page 39).

DPN gateway

ANortel Multiservice Switch node-to-DPN connection. Its provisioning is similar to that of a Multiservice Switch trunk.

DPN routing

See dynamic packet routing system (DPRS) (page 45).

DPNSS 1

See Digital Private Network Signaling System No 1 (DPNSS 1) (page 42).

DP

See discard priority (DP) (page 42) and drop precedence (DP) (page 44).

DPO

See data path object (DPO) (page 39).

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 Dna, Dnsix, Dpnss, Dpo