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VA Technical Reference Model v 20.10

Enterprise Web Developer (EWD).js
Enterprise Web Developer (EWD).js Technology

General InformationGeneral Information help

Technologies must be operated and maintained in accordance with Federal and Department security and privacy policies and guidelines. More information on the proper use of the TRM can be found on the TRM Proper Use Tab/Section.

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Description: EWD.js is a Node.js-based application framework and application server and container for use with Cache, GlobalsDB, GT.M, and MongoDB databases to develop web services, which utilize Massachusetts General Hospital Utility Multi-Programming System (MUMPS) environment application business logic. This technology acts as a web server for serving up static content and provides the WebSockets back-end tier. This technology projects a MUMPS database as a Native JavaScript Object Notation (JSON) Database, such that MUMPS data storage can be treated as persistent JSON storage.

VA is moving towards adoption of Intersystems HealthShare as a standard interfacing solution between Veterans Health Information Systems and Technology Architecture (VISTA) and non-VISTA product technologies. Due to the vision of Electronic Health Record Management (eHRM), implementers of EWD need to plan for the migration to use of HealthShare as a best practice for interfacing VISTA products to non-VISTA products.
Technology/Standard Usage Requirements: Users must ensure their use of this technology/standard is consistent with VA policies and standards, including, but not limited to, VA Handbooks 6102 and 6500; VA Directives 6004, 6513, and 6517; and National Institute of Standards and Technology (NIST) standards, including Federal Information Processing Standards (FIPS). Users must ensure sensitive data is properly protected in compliance with all VA regulations. Prior to use of this technology, users should check with their supervisor, Information Security Officer (ISO), Facility Chief Information Officer (CIO), or local Office of Information and Technology (OI&T) representative to ensure that all actions are consistent with current VA policies and procedures prior to implementation.
Section 508 Information: This technology has not been assessed by the Section 508 Office. The Implementer of this technology has the responsibility to ensure the version deployed is 508-compliant. Section 508 compliance may be reviewed by the Section 508 Office and appropriate remedial action required if necessary. For additional information or assistance regarding Section 508, please contact the Section 508 Office at Section508@va.gov.
Decision: View Decisions

Decision Source: TRM Mgmt Group
Decision Process: One-VA TRM v19.8
Decision Date: 08/21/2019
Introduced By: TRM Request
Vendor Name: M/Gateway Developments Ltd
- The information contained on this page is accurate as of the Decision Date (08/21/2019).