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Issue 138 - 1 Issue 138 is the following: with the transition to DTLS, I propose that we always require the WTP to provide wireless encryption, and use DTLS between the AC and the WTP. Discussion: (a) The CAPWAP IEEE 802.11 binding document currently supports 802.11 encryption to be terminated at either the WTP or the AC. In the current specification, neither is required to be supported at either the WTP or the AC. This presents an interoperability problem, in that a compliant WTP (e.g. supporting only centralized encryption) would not interoperate with a compliant AC (e.g. supporting only WTP encryption). Proposed resolution: Insert the following text at the end of section 2.1 (Split MAC and Local MAC Functionality) To provide system component interoperability, the WTP MUST support 802.11 encryption/decryption at the WTP and the WTP MUST support 802.11 encryption/decryption at the AC. The AC MUST support either (a) 802.11 encryption/decryption at the WTP or (b) 802.11 encryption/decryption at the AC. The AC MAY support both 802.11 encryption/decryption at the WTP and 802.11 encryption/decryption at the AC. |