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Emerging Research Concepts for Very Large-Scale Software Engineering

Emerging Research Concepts for Very Large-Scale Software Engineering. Walt Scacchi Institute for Software Research University of California, Irvine Irvine, CA, 92697-3425 USA 4 January 2006. Overview. Very Large-Scale Software Engineering

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Emerging Research Concepts for Very Large-Scale Software Engineering

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  1. Emerging Research Concepts for Very Large-Scale Software Engineering Walt Scacchi Institute for Software ResearchUniversity of California, IrvineIrvine, CA, 92697-3425 USA 4 January 2006

  2. Overview • Very Large-Scale Software Engineering • Engineering software-intensive systems consisting of >5M SLOC and/or >5K components/subsystems • VLSSE Processes • Alternative ways to rapidly develop, analyze, deploy, evolve VLSS systems • (Open Source Software Development) OSSD/SE Processes Accommodating New H/W platforms

  3. Knowledge needed • Need to acquire knowledge about development processes, work practices, community dynamics, and system configuration management techniques employed in large-scale (500K-5M SLOC) and very large-scale (>5M SLOC) OSSD projects. • Focused, in-depth, and comparative case studies • Producing shareable, reusable, redeployable knowledge assets

  4. Knowledge needed • Need to acquire knowledge of the (modular) architectures of the software systems, development teams, and user communities found in very large OSSD projects. • VLSIS architectures are socio-technical interaction networks, not just software. • Need knowledge for how to model, visualize, analyze, simulate, and enact OSSD project architectures, and their continuous evolution

  5. Knowledge needed • Need to acquire knowledge for how best to adaptively configure modular force architectures for: • Software systems • Developer and User teams • Supporting contractors • Remote contributors (e.g., OSS community contributors)

  6. Very Large-Scale Software Engineering: Advanced R&D opportunity areas • Architectural specification (system, services (data, protocols, processes), team/organization. • Configuration management and version control • Process automation—builds, regression tests, etc. • Reliance on informalisms for development • Current SE formalisms and tools don’t scale well or don’t work well in practice to support VLSEE

  7. Very Large-Scale Software Engineering • Research needs to consider: • Test-beds for full-size system mock-ups (probably built from OSS and Computer Game components) • Visualization aids—architecture, configuration, socio-technical networks • Empirical knowledge about existing VLSEE practices for both OSS and CSS/COTS • Computer-supported cooperative organizational learning environments (CSCOLE) supporting organizational transformation • Need to invent new ways to rapidly transform LSEE and VLSEE practices in industry

  8. VLSSE Processes: Advanced R&D opportunity areas • Configuration management and version control • Architectural specification and maintenance • Collaboration, leadership, control and conflict management • VLSEE community development and support • Software source code and artifact data mining

  9. OSSD/SE Processes Accommodating New H/W • New H/W being developed to support computer games and grid-based computing clusters using (massively scalable) cell/multi-core processors • Future USAF training and war games should be capable of modeling, simulating, and dynamically reconfiguring “modular wings” with high visual and operational realism in alternative engagement scenarios • Games and grids increasingly depend on OSSD methods and technologies • “Globus” grid middleware is OSS • Support for OSS game development capabilities now packaged with many successful computer games sold retail • “USAF: Air Dominance” flight mission training game developed in 3 months at 1/20 cost of America’s Army via OSS game modding techniques

  10. OSSD/SE Processes Accommodating New H/W: Research Opportunity • Enable/subsidize the OSS Game and Grid Development to lead the way, and to contribute to sustaining the effort. • Example: Engage contractor to setup a “Corporate sponsored” OSS Game Grid project to develop and evolve a massively multi-player online game environment for “playing” real-time strategy games using models/visions of tomorrow’s AF.

  11. Example Research opportunity • Need to invent new massively multiplayer online game or game- grid employing reusable launch vehicle and manned/unmanned aerial surveillance

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