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How MME selects HSS?

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Generally, MME communicates with the HSS with IMSI value, suppose if a network has multiple HSS database, how MME decide which HSS to select?

posted Jan 20, 2016 by Vakati Abilasn

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HSS are configured statically in MME its not a dynamic selection (also remember number of HSS are very few may be less then 10 in a country.)
So in short for each IMSI HSS is fixed for which MME has a configuration.

1 Answer

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I also want to share my thoughts over this query.
If an operator has multiple HSS for its network. In that case MME should have configuration in such a way the by looking into UE IMSI, it figures out the relevant HSS out of all supported HSS.

answer Jan 20, 2016 by Vimal Kumar Mishra
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