Definition

Open Blueprint

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.

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):

Top Layer

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.

Presentation Services

These include interfaces to interactive users and printers. User interfaces include display technology and multimedia.

Application/Workgroup Services

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.

Middle Layer

Communication Services

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.

Distribution Services

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.

Bottom Layer

Common Transport Semantics

This component frees the upper layers from having to be concerned about the services used to move information across the network.

Transport Services

These include: Systems Network Architecture, TCP/IP, APPN, OSI, NETBIOS, and IPX.

Transmission Technologies

These include: local area network, wide area network, local channel, and asynchronous transfer mode.

Physical Network and Signalling and Control Plane

These components include the detailed hardware mechanisms involved in moving information across the network.

This was last updated in April 2012
Posted by: Margaret Rouse

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