Caching system and method for a network storage system

a network storage and cache technology, applied in the field of network storage system cache system and cache system, can solve the problems of slow access-time target storage device, caching system does not support separate write cache, etc., and achieve the effect of eliminating traffic over the intermediate network and avoiding local access to local storage devices

a network storage and cache technology, applied in the field of network storage system cache system and cache system, can solve the problems of slow access-time target storage device, caching system does not support separate write cache, etc., and achieve the effect of eliminating traffic over the intermediate network and avoiding local access to local storage devices

US20050027798A1Inactive Publication Date: 2005-02-03CHIOU LIH SHENG +4
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  • Caching system and method for a network storage system
  • Caching system and method for a network storage system
  • Caching system and method for a network storage system

Examples

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Embodiment Construction

[0031] The invention is particularly applicable to a cache system for a network and it is in this context that the invention will be described. It will be appreciated, however, that the system and method in accordance with the invention has greater utility.

[0032] The cache storage network system is a networking device that enables the sharing of functional and operational resources among all assets in a storage network system in a high performance manner.

[0033] The cache system, in accordance with the invention, creates an intelligent storage network without incurring a large investment for new infrastructure. It utilizes reliable protocols to guarantee delivery in traditionally unreliable LAN / WAN environments. The cache system interconnects local storage-centric networks based on Fibre Channel or SCSI to existing or new LAN / WAN IP-based networking infrastructures. The interconnection of these diverse network technologies allows storage networks to be deployed across geographicall...

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Abstract

A cache system and method in accordance with the invention includes a cache near the target devices and another cache at the requesting host side so that the data traffic across the computer network is reduced. A cache updating and invalidation method are described.

Description

BACKGROUND OF THE INVENTION [0001] This invention relates generally to a system and method for storing data on computers connected by a network, such as the Internet and in particular to a caching system and method for reducing the data traffic and problems associated with network storage systems. [0002] Typical enterprise applications that run on today's Internet environment generally need to draw large amounts of data from either local or remote corporate data centers through geographically dispersed networks (e.g. Local Area Networks, Wide Area Networks, etc.). In many cases, this data traffic must share the network bandwidth with all other traffic on the network, making the delivery of data very much susceptible to network congestion. Caching is a technique of mapping frequently used data from a slow storage device, in which it is typically stored, to a higher speed storage device to achieve data access performance gains since the data can be more rapidly accessed from the highe...

Claims

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Application Information

Patent Timeline
03 Feb 2005
Publication
US20050027798A1
IPC
G06F12/08
CPC
G06F12/0813; G06F12/0868; G06F2212/312; G06F2212/284; G06F2212/311; G06F2212/263
Inventors
CHIOU, LIH-SHENG; WITKOWSKI, MIKE