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LTE-CUPS: Why a new protocol "PFCP" is defined between control and user plane nodes ?

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LTE-CUPS: Why a new protocol "PFCP" is defined between control and user plane nodes ?
posted Jun 30, 2018 by Vikram Singh

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+1 vote

I have seen GTP control messages and found that F-TEID consists of an IP address and 32 bit long Tunnel Id. For example: Create Session Response message contains control plane F-TEID and user plane F-TEIDs. I have a question here, why not only TEIDs are included in Create Session Response message when IP address would be common ? or Does it mean control and user plane both F-TEIDs may have different IP address ?

+1 vote

why Ciphering is done for both user plane and control plane data, why not integrity done for both data in PDCP protocol

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