1 Scope

This part of IEC 62541 specifies how OPC Unified Architecture (OPC UA) Clients and Servers interact with DiscoveryServers when used in different scenarios. It specifies the requirements for the LocalDiscoveryServer, LocalDiscoveryServer-ME and GlobalDiscoveryServer. It also defines information models for Certificate management, KeyCredential management and AuthorizationServices.

Annex A informatively discusses deployment and configuration aspects.

Annex B defines NodeSet and numeric NodeIds.

Annex F provides installation rules for the LDS.

Annex H compares the Certificate management defined in this document with IETF RFC 7030.