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4 result(s) for Servers,

• OPC-10000-1 – OPC Unified Architecture - Part 1: Overview and Concepts
  5.7.1 General
  with the standardization of the independent interactions between UA Applications (i.e. between Clients and Servers and between Publishers and Subscribers ). However, as the number of Applications in a given system ... users that can access the Server . If instead a system has hundreds of Servers, then it becomes unmanageable for each Server to independently store and maintain the usernames and passwords
• OPC-10000-2 – OPC Unified Architecture - Part 2: Security Model
  4.3.5 Message alteration
  Message s could be captured or modified and forwarded to OPC UA Client s, Servers, and Subscribers . Message alteration could allow illegitimate access to a system. Message alteration impacts Integrity
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  6.6.2.4.2 ServiceLevel
  Server to determine its ServiceLevel within each sub-range is Server specific. However, all Servers in a RedundantServerSet shall use the same algorithm to determine the ServiceLevel. All Servers, regardless ... range would be if 3 of 10 devices connected to a Server are unavailable. Servers that report a ServiceLevel in the Degraded sub-range are partially able to service Client
• OPC-10000-17 – OPC Unified Architecture - Part 17: Alias Names
  6.3.2 FindAlias Method
  note that there could be more than one entry for every AliasName . Multiple Servers could provide a Node that represents an equivalent object (such as a temperature sensor). An aggregating ... Server that contains the referenced Node , it could be load balancing of Servers, it could be for off-loading of small device Servers , or it could be some other algorithm