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Modular transparent proxy cache

A proxy cache and cache server technology, applied in the field of data transmission, can solve the problem of increasing data packet processing overhead

Active Publication Date: 2015-10-14
JUMIPER NETWORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Despite a low cache hit ratio, all client device requests flow through the proxy cache and unnecessarily increases packet processing overhead in the proxy cache

Method used

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  • Modular transparent proxy cache
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Experimental program
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Embodiment Construction

[0026] The following detailed description is made with reference to the accompanying drawings. The same reference numbers in different drawings may identify the same or similar elements.

[0027] The systems and / or methods described herein can provide a modular transparent proxy caching scheme that separates cache hits from cache misses, where a cache hit can refer to a situation where a requested resource is stored in a proxy cache (such as a cache server), and A cache miss may refer to a situation where a requested resource is not stored in a cache server. The systems and / or methods can utilize the IP address of the origin device storing the resource, enable cache hit traffic to be served by the cache server, and can enable cache miss traffic between a client device (e.g., requesting the resource) and the origin device flow without any layer 7 interception. A cache server can retrieve and store resources such as content, services, etc. asynchronously using a configured set...

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Abstract

A device receives, from a client device, a request for a resource that is available from an origin device, and determines whether the resource is cached in a cache server or not cached in the cache server. The device forwards the request to the cache server regardless of whether or not the resource is cached in the cache server, and receives, when the resource is not cached in the cache server, a redirect command from the cache server based on the request. The device forwards the received redirect command to the client device, where the redirect command instructs the client device to obtain the resource from the origin device. The device receives, from the cache server and based on the request, the resource when the resource is cached in the cache server, and forwards the received resource to the client device.

Description

technical field [0001] The present invention relates generally to data transmission in networks, and more particularly to methods and systems for proxy caching. Background technique [0002] A service provider is an entity (eg, business or organization) that sells bandwidth provided by, or access to, a network (eg, the Internet, data network, telecommunications network, etc.) with which it is associated. Service providers may include telecommunications companies, data carriers, wireless communications providers, Internet service providers, cable television operators that provide high-speed Internet access, and the like. Rapid growth in content usage such as video, audio, images, software downloads is placing higher bandwidth demands on service providers with spikes for significant content and events. [0003] To address this higher bandwidth demand, service providers deploy transparent Hypertext Transfer Protocol (HTTP) proxy caching devices such as caching servers in their...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/08H04L29/06
CPCH04L67/2814H04L67/2842H04L67/327H04L67/563H04L67/568H04L67/63
Inventor 雅斯帕·科利维克拉姆·文卡塔拉格哈范何军晓
Owner JUMIPER NETWORKS INC