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DS/EN IEC 61850-8-2:2019

Communication networks and systems for power utility automation - Part 8-2: Specific Communication Service Mapping (SCSM) - Mapping to Extensible Messaging Presence Protocol (XMPP)

1.1 General*This part of IEC 61850 specifies a method of exchanging data through any kinds of network, including public networks. Among the various kinds of services specified in IEC 61850-7-2, only the client/server and time synchronization services are considered so far.*NOTE – Client/server services of GOOSE and SMV models are mapped as well (see Table 1).*For the client/server services, the principle is to map the objects and services of the ACSI (Abstract Communication Service Interface defined in IEC 61850-7-2) to XML messages transported over XMPP. The mapping description includes mainly three aspects:*- The usage of the XMPP protocol itself, describing in details which features are really used and how they are used by the mapping (see Clause 6).*- How to achieve end-to-end secured communications (see Clause 7).*- The description of the XML payloads corresponding to each ACSI service thanks in particular to the XML Schema and XML message examples (starting at Clause 9).*NOTE – 1 This document does not address the detailed usage of the XMPP protocol.*NOTE – 2 This document does not address system management services.*NOTE – 3 For the information of people familiar with the mapping defined in IEC 61850-8-1, the XML messages defined in the present document are derived from those defined in IEC 61850-8-1 but with an XML encoding instead of a binary one. In this way implementing gateways between IEC 61850-8-1 and IEC 61850-8-2 is very straightforward in both directions. However reading IEC 61850-8-1 is not necessary to understand the present document except when it is used in conjunction with one of the GOOSE mappings described in IEC 61850-8-1.*1.2 Namespace name and version*This new section is mandatory for any IEC 61850 namespace (as defined by IEC 61850-7-1).*The parameters which identify this release of the SCSM_8_2 namespace xmlns="http://www.iec.ch/61850/2018/SCSM_8_2" are:*- Namespace Version: 2018*- Namespace Revision: A*- Namespace Release: 1* ...

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