2.1 Normative references

References are either specific (identified by date of publication and/or edition number or version number) or nonspecific. For specific references, only the cited version applies. For non-specific references, the latest version of the referenced document (including any amendments) applies.

The following referenced documents are necessary for the application of the present document.

• [1] IETF RFC 6455 (December 2011): "The WebSocket Protocol".
• [2] oneM2M TS-0001: "Functional Architecture".
• [3] IETF RFC 7230 (June 2014): "Hypertext Transport Protocol (HTTP/1.1): Message Syntax and Routing".
• [4] oneM2M TS-0003: "Security solutions".
• [5] oneM2M TS-0004: "Service Layer Core Protocol Specification".
• [6] IETF RFC 7692 (December 2015): "Compression Extension for WebSocket".