US Patent No. 10,798,779

ENHANCED COAP GROUP COMMUNICATIONS WITH SELECTIVE RESPONSES


Patent No. 10,798,779
Issue Date October 06, 2020
Title Enhanced Coap Group Communications With Selective Responses
Inventorship Chonggang Wang, Princeton, NJ (US)
Rocco Di Girolamo, Laval (CA)
Shamim Akbar Rahman, Cote St. Luc (CA)
Xu Li, Plainsboro, NJ (US)
Zhuo Chen, Claymont, DE (US)
Quang Ly, North Wales, PA (US)
Vinod Kumar Choyi, Conshohocken, PA (US)
Lijun Dong, San Diego, CA (US)
Assignee Convida Wireless, LLC, Wilmington, DE (US)

Claim of US Patent No. 10,798,779

1. A Constrained Application Protocol, CoAP, server comprising a processor, a memory, and communication circuitry, wherein the CoAP server is connected to a communications network via its communication circuitry, and wherein the memory comprises computer-executable instructions which, when executed by the processor, cause the CoAP server:receive, from a CoAP client via multicast, a request pertaining to a resource, the request comprising a server indication, and a client context indication;
evaluate the server indication to determine whether the CoAP server is an intended recipient of the request;
evaluate the resource to determine whether the CoAP server has a matching resource;
evaluate the client context indication to determine the matching resource meets a client context;
if the CoAP server is the intended recipient of the request and the CoAP server has the matching resource meeting the client context, then send a response;
if the CoAP server is not the intended recipient of the request or the CoAP server has no matching resource meeting the client context, then send no response.