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RFC 6347 - 8. Changes since DTLS 1.0

8. Changes since DTLS 1.0​

This document reflects the following changes since DTLS 1.0 [DTLS1].

  • Updated to match TLS 1.2 [TLS12].

  • Addition of AEAD Ciphers in Section 4.1.2.3 (tracking changes in TLS 1.2.

  • Clarifications regarding sequence numbers and epochs in Section 4.1 and a clear procedure for dealing with state loss in Section 4.2.8.

  • Clarifications and more detailed rules regarding Path MTU issues in Section 4.1.1.1. Clarification of the fragmentation text throughout.

  • Clarifications regarding handling of invalid records in Section 4.1.2.7.

  • A new paragraph describing handling of invalid cookies at the end of Section 4.2.1.

  • Some new text describing how to avoid handshake deadlock conditions at the end of Section 4.2.4.

  • Some new text about CertificateVerify messages in Section 4.2.6.

  • A prohibition on epoch wrapping in Section 4.1.

  • Clarification of the IANA requirements and the explicit requirement for a new IANA registration flag for each parameter.

  • Added a record sequence number mirroring technique for handling repeated ClientHello messages.

  • Recommend a fixed version number for HelloVerifyRequest.

  • Numerous editorial changes.

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