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AMI Smart Meter Reading Solution V200R010C10 Planning and Design Guide

This document describes the overall and detailed design of functions and services in the AMI Smart Meter Reading Solution.
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IP Address Design

IP Address Design

To implement data exchange with the DCP, DCUs and GPRS meters at the data perception layer need to be configured with IP addresses. GPRS meters communicate with the application system through the GPRS network and IP addresses are automatically assigned by a carrier. A DCU can connect to the DCP through the Ethernet or GPRS/3G network. When a DCU connects to the DCP through the GPRS/3G network, its IP address is automatically assigned by a carrier. When a DCU connects to the DCP through the Ethernet, its IP address and route need to be configured manually so that the DCU can communicate with devices at the application layer and services are transmitted properly.

IP design of a DCU complies with the following rules:
  • Uniqueness

    Hosts on an IP network must use unique IP addresses. Allocate different IP addresses to hosts even they support MPLS and VPN address overlapping.

  • Contiguousness

    The routes with contiguous addresses can be summarized easily on a hierarchical network. This reduces the routing table size and speeds up route calculation and route convergence.

  • Scalability

    IP addresses need to be reserved at each layer to ensure continuity of addresses when the network is expanded.

  • Meaningfulness

    If the IP addresses are planned properly, you can determine the device type and services from the IP addresses.

Updated: 2019-03-07

Document ID: EDOC1100069579

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