Avaya Glossary of Media Processing Server Series Terminology (Software Release 2.1) Manuel d'utilisateur télécharger pdf (Page 54)

Glossary of Avaya MPS Series Terminology hash table

Page 54 # P0602812 Ver: 1.3

hash table A data structure which resides in system memory (as opposed to

voice data memory). When you activate a MultiMedia file, SMP

enters the names of all vocabulary elements in that file into a hash

table. When an application references an element by name (instead of

referencing the element by index number), SMP uses the hashing

scheme to locate the recorded contents of that element. A hash table

can function for the entire system or just one application. One hash

table can index multiple MultiMedia files, but it cannot handle

duplicate element names within the table.

By default, each element’s full name is loaded into the hash table. If

system memory is limited, you can conserve space by having the

system load only a portion of (that is, truncate) each element name

using either delimited or partial loading. Set the type of truncation to

use with the smp nload command in the smp.cfg configuration

file.

Element names must be unique after they are truncated, or SMP will

only access the first element with a duplicated name. To avoid this,

when you create elements, assign names that are unique within the

first few characters.

For additional information, see the Avaya MPS System Reference

Manual.

See also delimited loading, vocabulary element, VDM, application,

partial loading, SMP, MMF, command man page smp nload.

HDLC High-Level Data Link Control. A communications protocol, similar

to SDLC, which uses specific bit patterns for control vastly different

than those used for data, lessening the chance for errors. Control

codes differ according to their bit positions and patterns.

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Avaya Glossary of Media Processing Server Series Terminology (Software Release 2.1) Manuel d'utilisateur Page 54