FIELD: radio engineering, communication.
SUBSTANCE: invention relates to a switching centre server, having: a blade cluster with a plurality of blades, a plurality of pooled resources accessible by said plurality of blades for handling a call, and a master provided on one of the blades centrally coordinating usage of the pooled resources, the master as a central instance being responsible for allocation, reallocation and maintenance of the pooled resources.
EFFECT: during outage of one or more blades, the invention provides mechanisms to keep the impact on ongoing calls at a minimum and to keep pooled resources available to the remaining blades.
21 cl, 19 dwg
