Gartner Research

Scalability, Elasticity and Multitenancy on the Road to Cloud Services

Published: 04 November 2009

ID: G00169631

Analyst(s): Yefim Natis , Massimo Pezzini , W. Roy Schulte , Eric Knipp

Summary

Not everything on the Web is "in the cloud," but everything on the Web is a service of some kind. The degree of "cloudiness" of services varies, and not all users must demand all features all the time.

Table Of Contents
  • Overview
  • Provider's View
  • User's View
  • Simple Scalability
  • Elastic Scalability
  • Multitenancy
    • Metadata Encoding of Application Logic
  • Selecting a Software Service
    • Hosted Services
    • Scalability Through Application Server Clustering
    • Scalability Through XTP Grid
    • Manual Scalability
    • Automatic Scalability
    • Elasticity
    • Automatic Elasticity
    • Multitenant Resource Sharing
    • Hardware Sharing (Virtualization; Shared-Hardware Multitenancy)
    • Application Platform Sharing (Shared-Processing Multitenancy)
    • Data and Application Platform Sharing (Shared-Everything Multitenancy)
  • Conclusion

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