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DISTRIBUTION AUTOMATION USING DISTRIBUTION LINE CARRIER SYSTEMS - PART 4-61: DATA COMMUNICATION PROTOCOLS - NETWORK LAYER - CONNECTIONLESS PROTOCOL
International Electrotechnical Committee
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Availability date: 11/06/2021
FOREWORD<br>INTRODUCTION<br>1 General<br> 1.1 Scope and object<br> 1.2 Normative references<br> 1.3 Acronyms and definitions<br>2 N service definition<br> 2.1 Overview of interactions<br> 2.1.1 Data transfer services<br> 2.1.2 Management services<br> 2.2 N_Data.request<br> 2.2.1 Function<br> 2.2.2 Structure<br> 2.2.3 Use<br> 2.3 N_Data.confirm<br> 2.3.1 Function<br> 2.3.2 Structure<br> 2.3.3 Use<br> 2.4 N_Data.indication<br> 2.4.1 Function<br> 2.4.2 Structure<br> 2.4.3 Use<br> 2.5 N_Add_route.request<br> 2.5.1 Function<br> 2.5.2 Structure<br> 2.5.3 Use<br> 2.6 N-Del_route.request<br> 2.6.1 Function<br> 2.6.2 Structure<br> 2.6.3 Use<br> 2.7 N_Read_table.request<br> 2.7.1 Function<br> 2.7.2 Structure<br> 2.7.3 Use<br> 2.8 N_Read_table.confirm<br> 2.8.1 Function<br> 2.8.2 Structure<br> 2.8.3 Use<br> 2.9 N-Await_event.request<br> 2.9.1 Function <br> 2.9.2 Structure<br> 2.9.3 Use<br> 2.10 N_Await_event.confirm<br> 2.10.1 Function<br> 2.10.2 Structure<br> 2.10.3 Use<br> 2.11 N_Local_address.request<br> 2.11.1 Function<br> 2.11.2 Structure<br> 2.11.3 Use<br>3 N to LLC sublayer interface<br> 3.1 Overview of interactions<br> 3.2 DL_Data.request<br> 3.3 DL_Data.confirm<br> 3.4 DL_Data.indication<br>4 N-protocol data unit structure<br> 4.1 General<br> 4.2 NPDU format<br> 4.3 Network address fields<br> 4.4 DNSAP field and the P-bit<br> 4.5 SNSAP field and the O-bit<br> 4.6 QoS field<br> 4.7 Reserved field<br> 4.8 Invalid NPDU<br>5 N-Protocol procedures description<br> 5.1 Overview of the procedures<br> 5.1.1 Procedure for transmission<br> 5.1.2 NPDU routing<br> 5.1.3 Parity bits<br> 5.1.4 N-entity internal parameters<br> 5.2 N-entity flow diagram<br> 5.2.1 N-Data.request flow diagram<br> 5.2.2 DL_Data.indication flow diagram<br> 5.2.3 DL_Data.confirm flow diagram<br> 5.2.4 N-protocol machine actions<br>6 Mapping of network layer<br>Figures<br>1 Basic layered communication architecture<br>2 Subnetwork interconnection through application gateway<br>3 Subnetwork interconnection through a node routing<br> station<br>4 Subnetwork interconnection in a mixed approach<br>5 Data transfer without acknowledgment<br>6 Routing function in the network layer for messages<br> coming from N-user <br>7 Routing function in the network layer for messages<br> to be locally delivered<br>8 Routing function in the network layer for messages<br> to be forwarded<br>9 NPDU fields
Covers the services required by the data communication protocol (DCP) network layer (N) sublayer entity at the logical interfaces with the N user layer and the LLC sublayer, using the connectionless N procedures.
Published | |
Document Type | Standard |
Status | Current |
Publisher | International Electrotechnical Committee |
Pages | |
ISBN | |
Committee | TC 57 |