Use of CXTP for PANA draft-ietf-pana-cxtp-01.txt

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Use of CXTP for PANAdraft-ietf-pana-cxtp-01.txt

• Julien Bournelle
• M. Laurent-Maknavicus
• H. Tschofenig
• Y.El Mghazli
• G. Giaretta
• R. Lopez
• Y. Ohba

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Goal

• Avoid reauthentication from scratch by
  transferring PANA context between PAAs
• Define PANA context
• Define how to use CXTP for this

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Issue 1

• Issue Session-Lifetime Elapsed
• (not sufficient for the nPAA)
• Proposal
• Change  Session-Lifetime Elapsed  by
   Session-Lifetime Remaining 

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Issue 2

• Issue How do pPAA get nPAA ID ?
• (necessary for AAA-Key-int computation)
• Proposal
• Add nPAA ID in the CDB (by TLV)
• Add text accordingly

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Issue 3

• Issue Add details on how the PSA message is sent
  between nPAA and pPAA
• Proposal
• Add text to define the CDB and FPT (CXTP terms).

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Issue 4

• Issue Identifier for the CTD received by nPAA
  (match request and response)
• Proposal
• Use the MNs pCoA field of the CT-Request message
• Add an Applicability Statement ( This proposal
  MUST only be used for PANA )

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Next Steps

• AAA interactions
• AAA infrastructure needs to know PAA in charge of
  the PaC (reauthentication/session management) ?
• Need discussions
• PANA-Mobopts document ?

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Questions ?