plgd-dev / go-coap

Implementation of CoAP Server & Client in Go

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Go-CoAP The Constrained Application Protocol (CoAP) is a specialized web transfer protocol for use with constrained nodes and constrained networks in the Internet of Things. The protocol is designed for machine-to-machine (M2M) applications such as smart energy and building automation. The go-coap provides servers and clients for DTLS, TCP-TLS, UDP, TCP in golang language. Features • CoAP over UDP [RFC 7252][coap]. • CoAP over TCP/TLS [RFC 8232][coap-tcp] • Observe resources in CoAP [RFC 7641][coap-observe] • Block-wise transfers in CoAP [RFC 7959][coap-block-wise-transfers] • request multiplexer • multicast • CoAP NoResponse option in CoAP [RFC 7967][coap-noresponse] • CoAP over DTLS [pion/dtls][pion-dtls] • Too many requests response code [RFC 8516][coap-429] [coap]: http://tools.ietf.org/html/rfc7252 [coap-tcp]: https://tools.ietf.org/html/rfc8323 [coap-block-wise-transfers]: https://tools.ietf.org/html/rfc7959 [coap-observe]: https://tools.ietf.org/html/rfc7641 [coap-noresponse]: https://tools.ietf.org/html/rfc7967 [pion-dtls]: https://github.com/pion/dtls [coap-429]: https://datatracker.ietf.org/doc/html/rfc8516 Requirements • Go 1.20 or higher Samples Simple Server UDP/TCP Client Observe / Notify Server example. Client example. Multicast Server example. Client example. License Apache 2.0 Sponsors Become a sponsor and get your logo on our README on Github with a link to your site. Backers Become a backer and get your image on our README on Github with a link to your site.