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Method of creating path signatures to facilitate the recovery from network link failures

Inactive Publication Date: 2014-01-02
PITTS WILLIAM M
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The patent describes a system that allows two devices to connect to a shared file and communicate with each other. The system uses a path signature to keep track of previous successful paths and reconciles consistency control data structures when a reconnection request is made. This allows for seamless communication between the two devices without interfering with other operations. The technical effects of this system include improved efficiency and reliability in file sharing.

Problems solved by technology

Of course, pre-fetching is only performed for well-behaved clients.

Method used

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  • Method of creating path signatures to facilitate the recovery from network link failures
  • Method of creating path signatures to facilitate the recovery from network link failures
  • Method of creating path signatures to facilitate the recovery from network link failures

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Embodiment Construction

[0011]This Summary is provided to introduce a selection of concepts in a simplified form that are further described below in the Detailed Description. This Summary is not intended to identify key features or essential characteristics of the claimed subject matter, nor is it intended to be used as an aid in determining the scope of the claimed subject matter.

[0012]One example embodiment includes a path signature. At any instant, a channel's path signature reflects the last successful path used to access file data. During the course of processing a request from an upstream site currently not connected to the target file, the downstream site will establish a connection to the upstream site and then include in its request response a path signature constructed by adding its signature to the channel's path signature.

[0013]For example, a DDS node may load a path signature when a connection is established and add its signature to the path signature that it sends upstream whenever an upstrea...

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Abstract

At any instant, a channel's path signature reflects the last successful path used to access file data. During the course of processing a request from an upstream site currently not connected to the target file, the downstream site will establish a connection to the upstream site and then include in its request response a path signature constructed by adding its signature to the channel's path signature.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of and priority to U.S. Provisional Patent Application Ser. No. 61 / 666,597 filed on Jun. 29, 2012, which application is incorporated herein by reference in its entirety.[0002]This application is related to co-pending U.S. application Ser. No. ______, filed on Jun. 28, 2013, and entitled, “RECURSIVE ASCENT NETWORK LINK FAILURE NOTIFICATIONS” (Attorney Docket No. 10284.14), which application is incorporated herein by reference in its entirety.[0003]This application is related to co-pending U.S. application Ser. No. ______, filed on Jun. 28, 2013, and entitled, “DISTRIBUTED FILESYSTEM ATOMIC FLUSH TRANSACTIONS” (Attorney Docket No. 10284.15), which application is incorporated herein by reference in its entirety.[0004]This application is related to co-pending U.S. application Ser. No. ______, filed on Jun. 28, 2013, and entitled, “USING PROJECTED TIMESTAMPS TO CONTROL THE SEQUENCING OF FILE MODIFICATIONS IN...

Claims

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Application Information

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IPC IPC(8): H04L12/24
CPCH04L41/00G06F16/172G06F16/183G06F16/182H04L67/5682G06F15/167H04L65/40H04L67/1097G06F12/0804G06F12/0891H04L67/06
Inventor PITTS, WILLIAM M.
Owner PITTS WILLIAM M