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Feature #1974

open

VLR: high water mark on subscriber storage

Added by neels almost 5 years ago. Updated over 2 years ago.

Status:
New
Priority:
Low
Assignee:
Osmocom CNI Developers
Category:
-
Target version:
-
Start date:
03/08/2017
Due date:
% Done:

0%

Resolution:
Spec Reference:

Description

In libvlr, we (will) keep every subscriber in RAM as long as it still has valid auth tuples (3GPP TS 33.102 Annex C.2.3).
Most subscribers will still have auth tuples left upon detaching, so we would store all subscribers.

Implement a configurable way of limiting the number of subscribers kept in RAM, e.g. a fixed max size.
If this is reached, discard those subscribers that have been inactive for the longest time first.


Related issues

Related to OsmoMSC - Feature #1973: VLR: efficient subscriber lookupNewOsmocom CNI Developers03/08/2017

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