Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.
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Error 404--Not Found

Error 404--Not Found

From RFC 2068 Hypertext Transfer Protocol -- HTTP/1.1:

10.4.5 404 Not Found

The server has not found anything matching the Request-URI. No indication is given of whether the condition is temporary or permanent.

If the server does not wish to make this information available to the client, the status code 403 (Forbidden) can be used instead. The 410 (Gone) status code SHOULD be used if the server knows, through some internally configurable mechanism, that an old resource is permanently unavailable and has no forwarding address.
  

With its eAssurance software, Peakstone creates a new product category, which it calls "Internet service assurance." The eAssurance software provides a comprehensive business approach to sitewide Internet service-quality management.

Many load-balancing products even out the load of Web site requests across servers in the hope of providing better service to customers. But eAssurance lets e-businesses and service providers differentiate and optimize customer service levels (the customer experience) by allocating Web site resources based on business objectives. Using customer profiles and clickstream patterns, for example, eAssurance would enable an e-business to coddle customers that typically buy in large amounts by providing them access to additional site resources, such as database and application servers. This is especially important during periods of high demand, during which an e-business protects its most valuable customers from unpredictable or unacceptable service levels.

In addition, eAssurance can dynamically reallocate resource capacity according to service-level objectives. This feature ensures that e-businesses and service providers are proactively managing SLAs by allocating more resources to a customer when service levels are reaching SLA thresholds. Savings in SLA violation penalties could be big.

Unlike other service-level management (SLM) products, eAssurance doesn't rely on a component- or device-centric approach. Rather, it analyzes user request patterns of incoming Internet traffic and utilization of system resources. It then controls the loads for site resources through interaction with server load-balancing products, network quality-of-service managers and bandwidth management products. It already has partnerships with Alteon WebSystems, BEA Systems, Cisco, F5 Networks, Mercury Interactive and Top Layer Networks. Plus, it measures the site performance for applications and user groups, in real time and historically. It predicts site saturation points and pinpoints when additional resource investments are required.

With eAssurance, Peakstone delivers a comprehensive business solution for Internet sitewide service assurance that stands apart from other SLM approaches.

Rasmussen is a research director at Enterprise Management Associates, a market research firm in Boulder, Colo.

Related links

Peakstone Web site

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