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UDP with ZERO Checksum
RFC6936: Applicability Statement for the Use of IPv6 UDP Datagrams with Zero Checksums
- Since IPv6 does not have L3 checksum in IP header, checksum has been mandatory for UDP.
- In limited situations, UDP checksum might be redundant; e.g. encapsulating UDP.
- The RFC adds knobs to send and/or receive UDP datagrams with zero checksums, if UDP w/ ZERO checksum is suppored.