Modules

Here is a list of all modules:

Rate Control	The transmission parameters for CoAP rate control ("Congestion Control" in stream-oriented protocols) are defined in https://tools.ietf.org/html/rfc7252#section-4.8
Asynchronous Messaging	Structure for managing asynchronous state of CoAP resources
Block Transfer
Clock Handling	Default implementation of internal clock
Option Filters
Pseudo Random Numbers
Resource observation
URI Parsing Functions	CoAP PDUs contain normalized URIs with their path and query split into multiple segments