libcoap2 4.2.0~rc4-1 (armhf binary) in ubuntu disco

 Lightweight application-protocol for devices that are constrained their
 resources such as computing power, RF range, memory, bandwidth, or network
 packet sizes. This protocol, CoAP, is developed in the IETF working group
 "CoRE", <http://6lowapp.net> and was standardized in RFC 7252.
 .
 The libcoap library v2 has DTLS functionality included based on TLS
 functions provided by OpenSSL in addition to the previous API version.
 .
 This package contains the various libcoap libraries based on API v2 with
 and without DTLS functionality.