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Case Study: Nationwide NWS Linux Migration
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| Customer: |
National Weather Service (NWS),
National Oceanic and Atmospheric Administration (NOAA),
U.S. Department of Commerce (DOC)
(Raytheon Company, prime contractor) |
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| Goal: |
Migrate the NWS Local Data Acquisition and Dissemination (LDAD) application from a single legacy server to modernized group of servers
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| Application: |
- Migrate the Local Data Acquisition and Dissemination (LDAD) application from a single legacy server to modernized group of servers
- Define, design, and implement the new national baseline AWIPS LDAD system
- Provide system migration support for 130+ CONUS sites
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| Challenges: |
- Determine a detailed modernized technical systems architecture (hardware, software, configuration) for a key NWS application that meets a fixed price budget and schedule while still delivering on stringent performance-based SLAs
- Conduct rapid prototyping and evaluation activities to delivered results quickly while meeting management and reporting requirements
- Work effectively within a multi-vendor environment, with a NOAA customer base consisting of both headquarters and field operations, over 130 CONUS sites in all, each with unique applications, data and processing requirements
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| FTI's Approach: |
- Architect, design, and implement the new national baseline AWIPS LDAD system:
- Replace existing LDAD server hardware to provide an upgrade from a single HP D270 server to redundant, Intel-based, Red Hat Linux compatible servers;
- Port the AWIPS LDAD national baseline software (hosted on LDAD) from the current HPUX environment to a Red Hat Linux-based system
- Test and verify the ported LDAD national baseline software, support software integration into formal AWIPS software releases, and provide deployment and post-deployment support to NWS weather offices, regional, and national centers and other AWIPS users
- Implement and enable a standard set of secure data transfer mechanisms (protocols) to support upgrading of LDAD software to meet NWS OCIO security guidelines.
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| Products Used: |
Red Hat Enterprise Linux 4.x, UNIX, J2EE Java, C, C++, Fortran, perl, shell scripting, Postgres SQL, AWIPS meteorology and hydrology applications, PVCS Dimensions, HP
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| Benefits: |
- Simplify overall systems architecture, increase amount of available rack space in server configurations, reduce overall power consumption by retiring older hardware
- Reduce overall system Total Cost of Ownership (TCO) by eliminating older hardware and software maintenance line item expenses
- Improve applications performance by migrating functionality to new, better-performing system hardware
- Improve system and data security, and ensure compliance with OCIO policy and guidance
- Minimize application migration expenses by transitioning applications to standard AWIPS configuration
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| Delivery: |
On time, within budget. Raytheon Six Sigma, CMMI Level 5, ISO 20000 project, EVMS-compliant project. System security compliant NWS OCIO security guidelines
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| Project Keywords: |
Localized applications, rapid data ingest, system and data security, system migration and re-architecture, data migration, Linux, UNIX, configuration management, system hardening, Total Cost of Ownership (TCO), performance improvement
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