WO2007081661A3 - Method and system usable in sensor networks for handling memory faults - Google Patents

Method and system usable in sensor networks for handling memory faults Download PDF

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Publication number
WO2007081661A3
WO2007081661A3 PCT/US2006/062638 US2006062638W WO2007081661A3 WO 2007081661 A3 WO2007081661 A3 WO 2007081661A3 US 2006062638 W US2006062638 W US 2006062638W WO 2007081661 A3 WO2007081661 A3 WO 2007081661A3
Authority
WO
WIPO (PCT)
Prior art keywords
application
memory
fault domain
state
application fault
Prior art date
Application number
PCT/US2006/062638
Other languages
French (fr)
Other versions
WO2007081661A2 (en
Inventor
Florin Sultan
Kiran Nagaraja
Srimat Chakradhar
Kiran Rengaswamy
Original Assignee
Nec Lab America Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nec Lab America Inc filed Critical Nec Lab America Inc
Priority to JP2008548840A priority Critical patent/JP5203967B2/en
Publication of WO2007081661A2 publication Critical patent/WO2007081661A2/en
Publication of WO2007081661A3 publication Critical patent/WO2007081661A3/en

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
    • G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
    • G06F11/1008—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices
    • G06F11/1044—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's in individual solid state devices with specific ECC/EDC distribution
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G06F11/1438—Restarting or rejuvenating

Abstract

A method and system usable in sensor networks for handling memory faults is disclosed. In order to protect the operating system of a sensor node, coarse-grained memory protection is provided by creating and enforcing an application fault domain in the data memory address space of the sensor node. The data memory accessed by the application modules is restricted to the region (which defines the application fault domain) within the data memory address space. The application modules are prevented from accessing memory outside the application fault domain through software-based run-time checks. The state belonging to the operations system is maintained outside of the application fault domain, and is thus protected from memory corruption from any application module. In order to ensure that an application module does not operate on a corrupted state, fine-grained error detection and recovery is provided within the application fault domain. Any corruption of memory within the application fault domain is detected by a run-time memory integrity verifier implemented in the operating system kernel. Recovery involves purging the corrupted state and restarting only the affected application module to operate on an uncorrupted state.
PCT/US2006/062638 2006-01-03 2006-12-28 Method and system usable in sensor networks for handling memory faults WO2007081661A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2008548840A JP5203967B2 (en) 2006-01-03 2006-12-28 Method and system usable in sensor networks to handle memory failures

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US74309206P 2006-01-03 2006-01-03
US60/743,092 2006-01-03
US11/616,086 2006-12-26
US11/616,086 US7581142B2 (en) 2006-01-03 2006-12-26 Method and system usable in sensor networks for handling memory faults

Publications (2)

Publication Number Publication Date
WO2007081661A2 WO2007081661A2 (en) 2007-07-19
WO2007081661A3 true WO2007081661A3 (en) 2008-08-21

Family

ID=38226013

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2006/062638 WO2007081661A2 (en) 2006-01-03 2006-12-28 Method and system usable in sensor networks for handling memory faults

Country Status (3)

Country Link
US (1) US7581142B2 (en)
JP (1) JP5203967B2 (en)
WO (1) WO2007081661A2 (en)

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US9678681B2 (en) * 2015-06-17 2017-06-13 International Business Machines Corporation Secured multi-tenancy data in cloud-based storage environments
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CN108089977B (en) * 2017-11-28 2020-07-31 维沃移动通信有限公司 Application program exception handling method and device and mobile terminal
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Also Published As

Publication number Publication date
JP2009522664A (en) 2009-06-11
US20070156951A1 (en) 2007-07-05
JP5203967B2 (en) 2013-06-05
WO2007081661A2 (en) 2007-07-19
US7581142B2 (en) 2009-08-25

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