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LTE: Why HSS and SPR have been used in LTE network when both of them hold subscription profile ?

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LTE: Why HSS and SPR have been used in LTE network when both of them hold subscription profile ?
posted Jul 14, 2016 by Harshita

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1 Answer

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Physically these two nodes can be combined but virtually both of them need different level of information w.r.t an UE. For example: HSS needs authentication, security and default bearer QoS information since it has to send these informations to MME while SPR holds other information related to charging and policy enforcement.

answer Jul 15, 2016 by Vimal Kumar Mishra
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