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Limelight SmartPurge

DATA SHEET

Key Benefits

  • Ensure content freshness and accuracy
  • Submit purge requests with greater efficiency and ease
  • Scale purge for massive amounts of content and distributed users
  • Protect origin resources during mass purges
  • Accurately predict which objects will be purged
  • Verify purge effectiveness with comprehensive reports

 

Any company delivering rich dynamic content must be able to easily control content freshness. Unfortunately, purging—the task of removing content from the globally distributed edge servers of a Content Delivery Network (CDN)—can be a slow, complex process with inconsistent results. When a purge takes too long to process, users are served stale or damaged content. Outdated information is publicized, corrupted files are downloaded, compliance issues arise when commercial transactions are involved, and brand integrity can be severely compromised.

 

Limelight SmartPurge is the next-generation CDN purging system, specifically architected to execute purges rapidly and at global scale, without the hassle and limitations of traditional CDN purging methods. SmartPurge works in near real-time to remove stale content from the access path of users, regardless of how close they are to your data center. Its rich functionality is accessible programmatically via APIs or through a graphical user interface. Support staff is available 24/7/365 via phone and email to remedy purging issues as quickly as possible, providing total peace of mind in even the most urgent situations. Companies that utilize the advanced capabilities of SmartPurge are assured that users receive only the freshest content, thanks to a real-time feedback mechanism.

Key Functionality

SmartPurge provides a number of compelling capabilities:

Near Real-time Purging

As soon as a request for purge is received, the purged content will stop being served to the end user; no delays or waiting in queue behind other CDN customers.

Purge Assurance

SmartPurge is designed to ensure that when a request for purge is received, the purged content is never served to users—regardless of configurations or services being used.

Cache Invalidation

Mass content purging can take place without inducing high levels of origin traffic. Before serving new requests for invalidated content, SmartPurge checks content freshness with your origin and does not request a full object if it is still fresh.

Cache Eviction

Any and all copies of purged content can be permanently deleted from the Limelight CDN. All requests are sent back to the origin to fetch new content.

Configurable Purge Parameters

Submitting and executing purge commands is simple. You can easily submit patterns instead of regular expressions, thus making the whole process intuitive.

Purge Dashboards

Via API or user interface, you can access purge status, execution details, accounts, and users requesting purges.

Purge History and Templates

All historical purge executions are stored for later reference, and can be used to create templates for future purges.