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Chapter 2  Grid, Utility Computing and Clusters 

Open Grid Services Architecture

Over the years, many standards for grid computing have evolved and many leading researchers and IT vendors have contributed common specifications. The Open Grid Services Architecture (OGSA) represents an evolution towards a Grid system architecture based on Web services concepts and technologies. With the release of Globus Tool Kit 3.0 (GT3), the Globus Project now offers an open source implementation of version 1 of the OGSI (Open Grid Services Infrastructure) Specification, a key building block in the OGSA framework.

GT3 includes standards and software that provides Grid Security (GSI), remote job submission and control (GRAM), high-performance secure data transfer (GridFTP), and consistent interfaces to system and service information (MDS). All of the components provided by the Globus Tool Kit Version-2 for building Grid infrastructures and for developing Grid applications remain available in GT3. GT3 has strong support from vendors.

Thus, the OGSA effort provides basic services and the grid community is developing services to sit on its top. OGSA describes a set of implementation and platform independent protocols and services. These define technology and infrastructure of the next generation of Grids defined in terms of Grid Services, closely allied to Web Services, which supports the sharing and coordinated use of diverse resources in dynamic distributed virtual organizations.

For more information, see the book Oracle 11g Grid and Real Application Clusters 30% off if you buy it directly from Rampant TechPress . 

Written by top Oracle experts, this RAC book has a complete online code depot with ready to use RAC scripts.

Remote DBA Services

Burleson Consulting can offer world-class remote Oracle database support at super-affordable prices.

Our remote Oracle DBA service provides 100% of the remote Oracle database administration needs for your company, and includes 24x7 access to our staff of 100% OCP Certified Oracle DBAs. 

We require a 12 month service commitment and include the following services:

  • Initial configuration review and problem identification
  • Installation of Oracle statistics collection mechanisms and quarterly database growth summaries
  • Hourly monitoring of your Oracle database for pending problems
  • Periodic performance analysis & identification of tuning activities
  • Twenty Four hour Oracle emergency support
  • Reporting and resolving all serious Oracle alert log messages
  • Free use of the BC TablePack, ServerPack and AuditPack services
  • Quick response emergency support for production database outages
  • Four hours of free remote DBA support every month. You can use these free hours for any DBA activity, including database analysis, system design, production migrations or personal mentoring.

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