Conduct of science and engineering research
			Applications of information technology to
			science and engineering research
			Cyberinfrastructure supporting applications
			Core technologies incorporated into
			cyberinfrastructure
			Figure 4.1.  A layered architectural view of the ACP.
	The top and bottom layers fall outside the scope of this project.
			Conduct of science and engineering research
			Applications (discipline specific)
			Applications (generic)
			Technological and social systems
			Core information technologies
	Figure 4.3.  Relationship of the layers of Figure 4.1 to underlying
	disciplines. Applications are a hybrid case with shared responsibility
	between technological and disciplinary programs.
	Long-term and applied researchers				Research in technologies,
	(applications, systems, core technolgies)				systems, and applications
	Commercial suppliers, development
	centers (whose products are based on				Development or
	research prototypes), community developers,				or acquisition
	integrators
	End-user staff support, operational				Operations in support
	centers, service providers				of end users
	Figure 4.4.  Summary of specific players
	delivering parts of the ACP
	Community-Specific Knowledge Environments for Research and Education
	(collaboratory, so-laboratory, grid community,
	e-science community, virtual community)
	Customization for discipline-and project-specific applications
	High	Data, information,		Observation,	Interfaces,	Collaboration
	performance	knowledge		measurement	visualization	services
	computation	management		fabrication	services
	services	services		services
	Networking, Operating Systems, Middleware
	Base Technolgy:  computation, storage, communication
	Grey area indicates cyberinfrastructure: hardware, software, services, personnel, organizations
	Figure 2.1 Integrated cyberinfrastructure services to enable new knowledge
	environments for research and education
	The Push	The Goal of an ACP				The Pull
	Computation	Cyberinfrastructure to enable				Vision & requirements
		knowledge environments to				from the frontiers of
	Content	revolutionize science and				science and engineering
		engineering education and				research
	Interaction	research
	Figure 3.1. The push and pull for an ACP.