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3 result(s) for Subscribe

• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.6 SecurityPolicies
  select a policy independent of the policy selected by other Clients . For the Publish Subscribe communications pattern, the SecurityPolicy is associated with a published DataSet and all Subscribers utilize
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.9 User Authentication
  meet needs of the application. User Authentication is not directly part of the Publish - Subscribe communication pattern but is used as part of the SKS associated with this communication pattern
• OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names
  D.1.1 Overview
  AliasNames has had updates to the AliasName definitions. An aggregating Server or GDS could Subscribe for the LastChange Variable on AliasNameCategoryType instances to detect when a value is changed