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Scope: Core (OPC-10000-*) All specs

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OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

1 Scope

part of the OPC UA FX specification series defines the general networking requirements for UAFX. This release includes definitions for functional networking requirements, including Bridge Component , End Station Component ... station , and UAFX Station , and network services, including remote management, topology discovery, and time synchronisation for Ethernet networks. Future releases will add additional requirements, including additional definitions for End Station
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

5.6.1 Overview

Overview UAFX defines the use of different kinds of communications. For example, the exchange of control data via OPC UA PubSub , connection establishment via OPC UA Client Server , link-local ... gPTP (see 7.4 ), and remote management with NETCONF (see 7.2 ). To support the UAFX system operation, these kinds of communications may demand different Quality of Service (QoS) in the network
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

5.6.2 Traffic Priority

defines a recommended usage of priorities for various types of traffic in networks containing UAFX Stations . Combined with the traffic class mapping priority defined in 6.4.3 , these recommendations provide consistent ... document supports for OPC UA PubSub-based exchange of control data with UAFX. Figure 5 shows an example of an application running on two Controllers using different priorities
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

5.6.4.2 Application and QoS engineering

phase, Controls Engineers, working in an OfflineEngineering environment, first create the user programs and UAFX Applications and set up the (default) networking configuration of the End Station Components ... Figure 6 illustrates an example where two engineers jointly create a UAFX Application containing Controller A and Controller B while separated in time and space and potentially without physical devices
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

5.6.4.4 System integration

deviating VLAN IDs, the System Commissioner has to update the VLAN interfaces on the UAFX Stations . Additionally, new VLAN interfaces can be created if necessary ... mechanisms in the network does the System Commissioner update the PriorityMappingTable on all UAFX Stations accordingly (i.e., the PCP and DSCP values for the different QosCategory - PriorityLabel combinations). NOTE
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

6.1 General

Bridge Component (see 6.2 ), End Station Component (see 6.3 ), IA-station (see 6.4 ), and UAFX Station
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

6.5.1 Overview

Overview A UAFX Station is an IA-station (see 6.4 ) supporting the UAFX communication and application layer (see Figure 1 ). The UAFX communication and application layer is a logical component ... acting as a source of and/or destination for link layer data traffic. Thus, each UAFX Station incorporates at least one End Station Component where the UAFX communication and application layer
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

6.5.2 UAFX Station requirements

UAFX Station requirements A UAFX Station shall: comprise a conformant IA-station , support middleware modelling of network interfaces and QoS in the UAFX communication and application layer: priority mapping configuration ... including at least one instance of the LldpInformationType , and if the UAFX Station contains one or more Bridge Components , at least one instance of the RemoteSystemsData Component of the LldpInformationType
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

6.5.4 Default PriorityMappingTable configuration

Default PriorityMappingTable configuration A UAFX Station shall provide a PriorityMappingTable with at least the default entries for MappingUri/QosCate gory and PriorityLabel as defined in Table 3 . If PCP and DSCP ... default) opc.qos.cat://priority opc.qos.lbl://green 4 46 Each physical network interface available to the UAFX Application, represented by an instance of IetfBaseNetworkInterfaceType in the NetworkInterfaces Folder, shall have a reference
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

7.2.1 Overview

Overview This subclause defines remote management for UAFX Stations for networking features, including those defined in Clause 6 , as well as the services and capabilities defined in Clause ... interoperable remote management, UAFX uses the Network Configuration Protocol (NETCONF) as a remote management protocol (see 7.2.2 ). Figure 15 - Network commissioning using NETCONF and YANG Figure 15 shows an example
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

7.2.2 NETCONF

NETCONF A UAFX Station supporting remote management shall support a Network Configuration Protocol (NETCONF) server as defined in IETF RFC 7589 (NETCONF over TLS). NOTE 1 This document does ... capabilities (for both client and server) and YANG modules to be supported by a UAFX Station . A single management entity controls all components of a UAFX Station. Figure 16 shows
OPC-10000-82 – OPC Unified Architecture - Part 82: UAFX Networking

7.3.2.1 Overview

Overview UAFX defines the use of the LLDP protocol for IA-stations to announce themselves to their peers for device and topology discovery. By default, announcements from a UAFX Station ... adaptability of the operational behaviour and the announced information of LLDP, all UAFX Stations support the LLDP local system YANG (see 7.3.2.2.5 ). UAFX Stations that include a Bridge Component also
OPC-10000-84 – OPC Unified Architecture - Part 84: UAFX Profiles

5.1 Overview

ConformanceUnits is arranged into named ConformanceGroups . Table 2 lists the ConformanceGroups that reflect the UAFX Information Models and features. These ConformanceGroups and the ConformanceUnits are detailed in the following subclauses ... Table 2 - ConformanceGroups Group Description UAFX Base Defines ConformanceUnits for all UAFX Controllers and devices . UAFX AutomationComponent Defines ConformanceUnits for various features of AutomationComponents . UAFX FxAsset Defines ConformanceUnits for various