9-Appendix G - Technology Reference Architecture (TRA).pdf
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- Family Medical Leave Assistance
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- BYZ25 - 00028078
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- Dallas County, Texas
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This document is Appendix G from the City of Dallas Technology Reference Architecture (TRA), which provides a comprehensive framework for the city's technology infrastructure and service delivery. The TRA is constructed of six interdependent functional domains: Data Services, Application Services, Infrastructure Services, Security Services, IT Service Management, and Program Management. The document outlines expectations for proposers offering services and solutions to the city, requiring them to be fully compliant with the TRA and provide detailed High-Level Design (HLD) and Low-Level Design (LLD) documentation illustrating their proposed solution's architecture, components, and interfaces.
Proposers are expected to complete a TRA checklist in an Excel document format and be prepared to provide Statements of Compliance for requisite industry standards upon request. The technology frameworks and standards outlined in this document represent the minimum requirements for service delivery in the city. Any proposed changes must be submitted with an Architecture Change Request, and all services and solutions must align with the goals and objectives of the TRA. The document emphasizes the importance of comprehensive documentation and architectural compatibility to ensure seamless technology integration across city operations.
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Appendix G - Technology Reference Architecture (TRA)
TECHNOLOGY REFERENCE ARCHITECTURE (TRA)
The City’s TRA is a compact illustration of the current and future technology elements supporting desired business outcomes in the City.
Figure 1 City Technology Reference Architecture (TRA) http://dallascityhall.com/departments/ciservices/Pages/reference-architecture.aspx
The TRA is constructed of six interdependent functional domains that support service delivery.
The TRA elements are:
Data Services Application Services Infrastructure Services Security Services IT Service Management Program Management
Services and solutions deployed in support of City operations are to be in alignment with the goals and objectives of the TRA. Proposers offering services and solutions to the City are expected to be compliant with the TRA; responses to the TRA checklist should be provided in the Excel document format provided. Proposers are expected to provide documentation that illustrates both the High-Level Design (HLD), including the architecture of the solution with the main components and their interfaces, and the Low-Level Design (LLD) which should include both the logical and functional detailed architectures of their proposed solution. Any change requires updated documentation to be submitted along with the Architecture Change Request.
TRA goals and objectives are supported using City adopted technology frameworks and standards. The following appendices of this document identify and communicate City technology frameworks and standards for Proposer consideration. For the requisite industry standards, Proposers will be expected to provide Statements of Compliance upon request.
The identified technology frameworks and standards are a minimum for the delivery of service at the City.
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