Open Blueprint is IBM's strategic view of the network computing services and the relationship between these services. IBM offers an Open Blueprint home page that includes a picture of the strategy and its layered components.
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The Open Blueprint is consistent with and perhaps aware of the X/Open Architectural Framework (XAF), which is a statement of what should be in a comprehensive network computing model.
Built on top of an operating system (and using its core services), according to the Open Blueprint, are these layers and component technologies (our description does not show relationships as well as the figure version does):
Applications and Development Tools
These would include off-the-shelf application programs and customer-developed applications along with the development tools used to build them.
These include interfaces to interactive users and printers. User interfaces include display technology and multimedia.
These services include: a transaction monitor, event services, compound document support, workflow tools such as Lotus, mail, collaborative groupware, computer Telephony, and online reference libraries.
Data Access Services
These include support for relational databases, hierarchical databases, object-oriented databases, persistence, legacy files, and storage management.
These include the three main models of program-to-program communication across a network: conversational, remote procedure call, and messaging and queueing.
Object Management Services
These include: the Object Request Broker, life cycle, and externalization.
These services make it possible to support the distribution of applications and data in a network: directory (what is located where), time (coordinating locations), security, and a transaction manager.
Common Transport Semantics
This component frees the upper layers from having to be concerned about the services used to move information across the network.
Physical Network and Signalling and Control Plane
These components include the detailed hardware mechanisms involved in moving information across the network.