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SG Systems. Systems Requirements Specification Approach Overview. SRS Document online. SG Systems  OpenAMI-Ent  Shared Documents  SRS. Topics. Purpose and Scope Interoperability Philosophy Documentation Approach Guiding Principles Reference Architecture Architecture Views Business

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sg systems

SG Systems

Systems Requirements Specification Approach Overview

srs document online
SRS Document online
  • SG Systems  OpenAMI-Ent  Shared Documents  SRS
  • Purpose and Scope
  • Interoperability Philosophy
  • Documentation Approach
  • Guiding Principles
  • Reference Architecture
  • Architecture Views
    • Business
    • Application
    • Data
    • Technical
purpose and scope
Purpose and Scope
  • The purpose of this document is to provide the architecture vision and requirements to serve as the “rules of engagement” for how vendors and utilities could implement recommended requirements and design specifications.
  • Mainly focus on the AMI-ENT which is about how applications within the utility enterprise are to be integrated and composed to support AMI related business processes and functions. It is to deal with inter-application related business functions and stops at the boundaries of applications and the edge of utility enterprise. Edge applications are those applications that communicate with networks and devices in the field, as well as those that communicate with other businesses or enterprises (generally defined as third parties).
documentation approach
Documentation Approach
  • According to The Open Group, there are four architecture domains that are commonly accepted as subsets of an overall enterprise architecture, all of which TOGAF is designed to support:
    • The Business Architecture defines the business strategy, governance, organization, and key business processes.
    • The Data Architecture describes the structure of an organization's logical and physical data assets and data management resources.
    • The Application Architecture provides a blueprint for the individual application systems to be deployed, their interactions, and their relationships to the core business processes of the organization.
    • The Technology Architecture describes the logical software and hardware capabilities that are required to support the deployment of business, data, and application services. This includes IT infrastructure, middleware, networks, communications, processing, standards, etc.
guiding principles
Guiding Principles

[mjz1]{AEP} Something should be said about companies' tendency to overestimate their differentiators.  After all, a utility-driven process is the default and results in everybody rolling their own.

[mjz2]{AEP} Standards that are almost, but not quite, good enough may be worse than no standard at all.  The key is knowing HOW to build upon a standard (and knowing how to build a standard that can be built upon).  This is something that a lot of people think is obvious and easy.  It's...not.

[mjz3]{AEP} The phrase "common information model" is here used in its plain-English sense, but it is also the name of a body of standards, inviting confusion.

business view ami
Business View (AMI)

Business Processes:

B1 - Meter Reading

B2 - Remote Connect/Disconnect

B3 - Detect Theft

B4 - Contract Meter Reading

Consolidated Demand Response and Load Control

C1 - Price Based DR and Voluntary Load Control

C2 - Customer Views Energy Data

C3 - Prepayment

C4 - Third Parties Use AMI Network

D2 - Distribution Automation

D3 - Distributed Generation

D4 - Outage Location and Restoration

G1 - Gas System Measurement

G2 - Gas System Planning

G3 - Gas System Corrosion Control

I1 - AMI System Installation

I2 - AMI System Life-cycle Management

I3 - Utility Updates AMI System

S1 - AMI System Recovery

contact info
Contact Info.
  • Here is the link to the AMI-ENT SRS v1.0 document (under SRS folder):
  • If you have comments and/or wish to join and contribute to the AMI-ENT SRS effort, please contact Joe Zhou at