WO2021163838A1 - Procédé et système de validation de repositionnement sur la base d'une connectivité sans fil - Google Patents

Procédé et système de validation de repositionnement sur la base d'une connectivité sans fil Download PDF

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Publication number
WO2021163838A1
WO2021163838A1 PCT/CN2020/075520 CN2020075520W WO2021163838A1 WO 2021163838 A1 WO2021163838 A1 WO 2021163838A1 CN 2020075520 W CN2020075520 W CN 2020075520W WO 2021163838 A1 WO2021163838 A1 WO 2021163838A1
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WO
WIPO (PCT)
Prior art keywords
under test
device under
devices
image
wireless connectivity
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Application number
PCT/CN2020/075520
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English (en)
Inventor
Dongting ZHANG
Tingting Wang
Xin Wang
Zhiyong Dong
Dongyuan CHEN
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Arris Enterprises Llc
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Priority to PCT/CN2020/075520 priority Critical patent/WO2021163838A1/fr
Publication of WO2021163838A1 publication Critical patent/WO2021163838A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/50—Service provisioning or reconfiguring
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3003—Monitoring arrangements specially adapted to the computing system or computing system component being monitored
    • G06F11/3006—Monitoring arrangements specially adapted to the computing system or computing system component being monitored where the computing system is distributed, e.g. networked systems, clusters, multiprocessor systems
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/3055—Monitoring arrangements for monitoring the status of the computing system or of the computing system component, e.g. monitoring if the computing system is on, off, available, not available
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
    • G06F11/3409—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment
    • G06F11/3419—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment for performance assessment by assessing time
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/61—Installation
    • G06F8/63—Image based installation; Cloning; Build to order
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/65—Updates
    • G06F8/654—Updates using techniques specially adapted for alterable solid state memories, e.g. for EEPROM or flash memories
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2201/00—Indexing scheme relating to error detection, to error correction, and to monitoring
    • G06F2201/875—Monitoring of systems including the internet

Definitions

  • the present disclosure generally relates to a method and system for image rollback validation, and more particularly to method and system for image rollback validation based on connectivity of wireless devices.
  • Cable service providers which are also referred to as Multiple System Operators ( “MSO” ) , or any communication or content distribution business that operates through a cable network, renders its services to its subscribers.
  • the services can include, but are not limited to, different subscription plans for broadband Internet access and telephony.
  • subscribers connect to a private network owned (or co-owned or rented) by the broadband cable operator which is implemented according to the Data Over Cable Service Interface Specification (DOCSIS) standard.
  • DOCSIS Data Over Cable Service Interface Specification
  • CM cable modems
  • CM cable modems
  • CM cable modems
  • CM firmware
  • Image rollback (or rollback validation) is an existing feature supported on some devices in which image rollback can be triggered when the device under test (DUT) loses WAN connectivity within a certain period of time after an upgrade has been performed.
  • DUT device under test
  • the DUT before the device under test (DUT) receives the image upgrade (for example, a new firmware version) , the DUT knows, for example, how many devices have been connected to the DUT (for example, an access point (AP) ) , and the time period (i.e., times) of wireless connection for each specific device during the predetermined period of time, for example, the past 24 hours, and based on this information, once the upgrade has been made to the device under test, a determination can be made if the image should be rolled back or not.
  • the image upgrade for example, a new firmware version
  • a method for validating an image upgrade on a device under test, the method comprising: receiving a command on the device under test (DUT) for the image upgrade on the device under test; monitoring one or more devices having wireless connectivity with the DUT over a first predetermined period of time before the image upgrade is installed on the DUT; classifying each of the one or more devices having wireless connectivity with the device under test into one or more categories, each of the one or more categories describing a relative stability of wireless connectivity between the DUT and the one or more devices; upgrading an original image on the DUT with a new image on the device under test; monitoring wireless connectivity between the one or more devices after the new image has been installed on the DUT for a second predetermined period of time; and validating the new image on the DUT by detecting loss of wireless connectivity in the one or more devices over the second predetermined period of time.
  • DUT device under test
  • a device under test having wireless connectivity to one or more devices, the DUT having a processor configured to: receive a command on the DUT for the image upgrade on the DUT; monitor the one or more devices having wireless connectivity with the DUT over a first predetermined period of time before the image upgrade is installed on the device under test; classify each of the one or more devices having wireless connectivity with the device under test into one or more categories, each of the one or more categories describing a relative stability of wireless connectivity between the DUT and the one or more devices; upgrade an original image on the DUT with a new image on the device under test; monitor wireless connectivity between the one or more devices after the new image has been installed on the device under test for a second predetermined period of time; and validate the new image on the device under test by detecting loss of wireless connectivity in the one or more devices over the second predetermined period of time.
  • FIG. 1 is an illustration of an exemplary network environment for a system and method for image rollback based on wireless connectivity.
  • FIG. 2 is a flow chart illustrating a method and system for image rollback validation based on connectivity of wireless devices in accordance with an exemplary embodiment.
  • FIG. 3 is an exemplary hardware architecture for an embodiment of a communication device.
  • FIG. 1 is a block diagram illustrating an example network environment 100 operable to rollback validation based on wireless connectivity of devices within a network.
  • an access point or a network gateway 120 can video and/or data services to a plurality of devices 130a, 130b, 130c, 130d.
  • the access point 120 may communicate with the plurality of devices 130a, 30b, 130c, 130d over a local network 132 (for example, a local area network (LAN) , a wireless local area network (WLAN) , a personal area network (PAN) , etc. ) and may communicate with an upstream wide area network (WAN) 160 through a connection 150 to a broadband network 110.
  • LAN local area network
  • WLAN wireless local area network
  • PAN personal area network
  • WAN wide area network
  • the broadband network 110 is provided by an operator, for example, an MSO or cable provider.
  • the broadband network 110 can provide high- bandwidth data transfer, for example, cable television and broadband internet access via, for example, coaxial cables 140.
  • the broadband network 110 can include one or more servers 112 configured to deliver services, for example, cable television and/or broadband internet and infrastructure supporting such services including management of image software and/or firmware.
  • the plurality of devices 130a, 130b, 130c, 130d may be any type of computing device configured to connect via a wireless network, for example, wireless network utilizing an IEEE 802.11 specification, including a set-top box (STB) , a smart phone, a computer, a mobile device, a tablet, a router, a home security system, or any other device operable to communicate wirelessly with the access point 120.
  • the access point 120 may provide access to an external network, such as the Internet, for any devices connected thereto via the area network 132.
  • the area network 132 may be, for instance a local area.
  • the access point 120 may be a gateway device, a modem, a wireless router including an embedded modem, a wireless network extender or any other device operable to deliver, for example, data and/or video services from the broadband network 110 and/or a wide area network (WAN) 160 to one or more of the plurality of devices 130.
  • WAN wide area network
  • the access point 120 may communicate with the broadband network 110 over a wired or a wireless connection.
  • a wireless connection between the broadband network 110 and the access point 120 may be established through a protected setup sequence (for example, Wi-Fi protected setup (WPS) ) .
  • the protected setup sequence may include the steps of scanning multiple wireless channels for an available access point, exchanging one or more messages between a station and access point, exchanging key messages (for example, pre-shared key (PSK) ) between the station and access point, and installing a key (for example, PSK) at the station.
  • PSK pre-shared key
  • FIG. 2 is a flow chart 200 illustrating a method and system for image rollback validation based on connectivity of wireless devices in accordance with an exemplary embodiment.
  • a system and method are disclosed, which enhances image rollback based on triggering image rollback based on the connectivity of wireless devices considering different situations.
  • a system and method are disclosed for rollback validation, which can include when the device under test (DUT) receives image upgrade command over a broadband network, from an operator of the broadband network such as an MSO.
  • the DUT will firstly trigger a process to monitor the plurality of wireless devices and the connectivity of the plurality of wireless device for a predetermined period of time, for example, 24 hours, before the DUT starts the image upgrade.
  • the system and method monitors wireless connectivity between the device under test (DUT) , for example, an access point or network gateway 120, and a plurality of devices 130a, 130b, 130c, 130d, prior to or before upgrading an image on the DUT to determine the stability of the wireless connectivity between the DUT, for example, the access point 120, and the plurality of devices 130a, 130b, 130c, 130d.
  • DUT device under test
  • the image on the DUT for example, the access point 120
  • a second determination on the wireless connectivity between the DUT for example, the access point 120 and the plurality of devices 130a, 130b, 130c, 130d is obtained, and if the stability of the upgraded image is not within a predetermined criteria, the DUT, for example, the access point 120 will undergo a roll-back to the previous image or last image, for example a previous firmware version or last firmware version on the DUT.
  • the system and method is designed to flexible to adapt to various situations, and which can help reduce the probability of unexpected image rollback, which may not be necessary.
  • wireless connection (or WiFi connectivity) configuration failures can persist after image upgrades on access points 120, and is one of the scenarios that can occur after upgrade, however, the rebooting of the DUT or access point 120 may not be necessary.
  • many important devices such as security monitor system also depend on WiFi connection, and a system and method for rollback validation is needed to enhance the existing image rollback feature by introducing new criteria to trigger image rollback based on the connectivity of wireless devices considering different situations.
  • the DUT for example, the access point, 120 receives an image upgrade command from the broadband network (for example, an MSO or cable provider) 110.
  • the access point will firstly trigger a process to monitor the connectivity of the one or more wireless devices and the access point 120 for a first predetermined period of time, for example, 24 hours before the DUT 120 starts the upgrade.
  • the access point 120 before an upgrade occurs, can determine the number of devices having wireless connectivity with the access point 120 including for each of the devices, type of device and number of minutes or hours or corresponding time slots in which the device has been in wireless connectivity with the access point for the first predetermined period of time, for example, for a period of 24 hours.
  • the access point 120 monitors the wireless connectivity of each of the plurality of devices 130a, 130b, 130c, 130d, which are in wireless connectivity with the access point 120 for a first predetermined period of time for a respective time periods for each device, for example, times or time periods during the preceding 24 hours in which the device was connected to the access point 120.
  • the first predetermined period of time for monitoring wireless connectivity between the access point 120 and the plurality of devices 130a, 130b, 130c, 130d can be, for example, between 6 hours and 72 hours (3 days) , 12 hours to 48 hours (2 days) , or 24 hours, the latter being most likely optimal for most existing devices.
  • the first predetermined period of time for monitoring the wireless connectivity of the plurality of devices as set forth in step 220 can be set to specific days of the week, for example, on a business day, for example, Monday through Friday, a weekend day, for example, Saturday or Sunday, or a holiday, for example, New Year’s day.
  • the DUT for example, the access point 120 can divide the wireless devices 130a, 130b, 130c, 130d into two (2) or more categories.
  • the two or more categories can include, for example, devices with relatively stable position (category 1) , for example, security monitoring in a company, and devices with a relatively unstable position (category 2) .
  • the categorizing of the one or more devices into two or more categories can include at least a first category of devices (category 1 devices 234) , the first category of devices 234 being devices that did not lose wireless connectivity (i.e., devices having continuous connectivity) with the access point 120 or DUT during the monitoring of the one or more devices 130a, 130b, 130c, 130d over the first predetermined period of time before the image upgrade is installed on the access point 120 or other DUT.
  • Another category of devices can be, for example, a second category of devices (category 2 devices 236) that lost wireless connectivity with the access point 120 or DUT during the first predetermined period of time before the image upgrade is installed on the device under test.
  • the DUT for example, after the first predetermined period of time for monitoring of the wireless connectivity of the devices 130a, 130b, 130c, 130d, with the access point 120, will upgrading an original image with a new image.
  • the new image can be a part or portion of a firmware image for the access point 120, or an entire firmware image for the access point 120.
  • the access point monitors the wireless connectivity between the one or more devices 130a, 130b, 130c, 130d, and the access point 120 after the new image has been installed on the access point for a second predetermined period of time in order to validate the new image on the access point 120 by detecting loss of wireless connectivity in the one or more devices 130a, 130b, 130c, 130d over the second predetermined period of time
  • devices 130a, 130b, 130c, 130d that rarely lose connectivity, for example, devices 130a, 130b, 130c, 130d, that are continuously in wireless connectivity with the access point 120 can be classified as category 1 type devices 234, and if any category 1 devices 234 lose wireless connectivity within a set period of time after the image upgrade, for example, if connectivity is lost within 30 minutes to 240 minutes, and more preferably, for example, 1 hour after upgrade, image rollback must be triggered in step 270. Alternatively, if connectivity is not lost within the 30 minutes to 240 minutes, no rollback of the upgraded image or firmware is performed and the rollback validation can be terminated (step 280) .
  • step 260 for devices 130a, 130b, 130c, 130d, without a relatively stable position, for example, devices 130a, 130b, 130c, 30d, that are within a relatively close proximity to the access point (AP) 120 before upgrade, and if over a certain percentage of the category 2 devices 236, for example, 25%to 75%, and preferably 40%to 60%, and more preferably 50%of such devices lose wireless connectivity within 30 minutes to 240 minutes, and more preferably within 60 minutes (1 hour) after upgrade, image rollback can be triggered.
  • AP access point
  • step 280 if less than the predetermined percentage of category 2 devices 236 do not lose connectivity within the predetermined period of time, no rollback of the upgrade image or new version, for example, of the firmware that has been installed on the access point (AP) 120 is needed, and the process for termination of rollback validation can be terminated in step 280.
  • the criteria of image rollback validation can be set, for example, to 1 hour, and if no rollback happens within 1 hour after upgrade, as set forth above, in step 280, the rollback validation is terminated and the corresponding process expires.
  • the devices for example, for the rest of the devices, for example, which neither showed stable wireless connectivity to AP within the first predetermined period of time before the image upgrade, or in the second predetermined period of time after the image upgrade, their wireless connectivity may not be used in the consideration of the rollback of the image upgrade since such devices may be the guest devices which are not guaranteed to be close to AP.
  • the measurement of wireless connectivity between the access point 120 and the plurality of devices 130a, 130b, 130c, 130d can be a Boolean output and its criteria can be based on the packet loss rate and latency of pings.
  • the access point 120 can ping each of the plurality of devices 130a, 130b, 130c, 130d, a certain number of times at a preset interval, for example, 10 times every 5 minutes.
  • the output of “wireless connectivity measurement” module is false, for example, indicating not good or poor conductivity, and which can also be indicative of a loss of wireless connectivity.
  • FIG. 3 illustrates a representative computer system 300 in which embodiments of the present disclosure, or portions thereof, may be implemented as computer-readable code.
  • the one or more servers 112, the access point 120, and the plurality of devices 130a, 130b, 130c, 130d of FIG. 1 may be implemented in whole or in part by a computer system 300 using hardware, software, firmware, non-transitory computer readable media having instructions stored thereon, or a combination thereof and may be implemented in one or more computer systems or other processing systems.
  • Hardware, software, or any combination thereof may embody modules and components used to implement the methods and steps of the present invention.
  • programmable logic may execute on a commercially available processing platform configured by executable software code to become a specific purpose computer or a special purpose device (for example, programmable logic array, application-specific integrated circuit, etc. ) .
  • a person having ordinary skill in the art may appreciate that embodiments of the disclosed subject matter can be practiced with various computer system configurations, including multi-core multiprocessor systems, minicomputers, mainframe computers, computers linked or clustered with distributed functions, as well as pervasive or miniature computers that may be embedded into virtually any device.
  • at least one processor device and a memory may be used to implement the above described embodiments.
  • a processor unit or device as discussed herein may be a single processor, a plurality of processors, or combinations thereof. Processor devices may have one or more processor “cores. ”
  • the terms “computer program medium, ” “non-transitory computer readable medium, ” and “computer usable medium” as discussed herein are used to generally refer to tangible media such as a removable storage unit 318, a removable storage unit 322, and a hard disk installed in hard disk drive 312.
  • Processor device 304 may be a special purpose or a general purpose processor device specifically configured to perform the functions discussed herein.
  • the processor device 304 may be connected to a communications infrastructure 305, such as a bus, message queue, network, multi-core message-passing scheme, etc.
  • the network may be any network suitable for performing the functions as disclosed herein and may include a local area network ( “LAN” ) , a wide area network ( “WAN” ) , a wireless network (e.g., “Wi-Fi” ) , a mobile communication network, a satellite network, the Internet, fiber optic, coaxial cable, infrared, radio frequency ( “RF” ) , or any combination thereof.
  • LAN local area network
  • WAN wide area network
  • RF radio frequency
  • the computer system 300 may also include a main memory 308 (e.g., random access memory, read-only memory, etc. ) , and may also include a secondary memory 310.
  • the secondary memory 310 may include the hard disk drive 312 and a removable storage drive 314, such as a floppy disk drive, a magnetic tape drive, an optical disk drive, a flash memory, etc.
  • the removable storage drive 314 may read from and/or write to the removable storage unit 318 in a well-known manner.
  • the removable storage unit 318 may include a removable storage media that may be read by and written to by the removable storage drive 314.
  • the removable storage drive 314 is a floppy disk drive or universal serial bus port
  • the removable storage unit 318 may be a floppy disk or portable flash drive, respectively.
  • the removable storage unit 318 may be non-transitory computer readable recording media.
  • the secondary memory 310 may include alternative means for allowing computer programs or other instructions to be loaded into the computer system 300, for example, the removable storage unit 322 and an interface 320.
  • Examples of such means may include a program cartridge and cartridge interface (e.g., as found in video game systems) , a removable memory chip (e.g., EEPROM, PROM, etc. ) and associated socket, and other removable storage units 322 and interfaces 320 as will be apparent to persons having skill in the relevant art.
  • Data stored in the computer system 300 may be stored on any type of suitable computer readable media, such as optical storage (e.g., a compact disc, digital versatile disc, Blu-ray disc, etc. ) or magnetic tape storage (e.g., a hard disk drive) .
  • the data may be configured in any type of suitable database configuration, such as a relational database, a structured query language (SQL) database, a distributed database, an object database, etc. Suitable configurations and storage types will be apparent to persons having skill in the relevant art.
  • the computer system 300 may also include a communications interface 324.
  • the communications interface 324 may be configured to allow software and data to be transferred between the computer system 300 and external devices.
  • Exemplary communications interfaces 324 may include a modem, a network interface (e.g., an Ethernet card) , a communications port, a PCMCIA slot and card, etc.
  • Software and data transferred via the communications interface 324 may be in the form of signals, which may be electronic, electromagnetic, optical, or other signals as will be apparent to persons having skill in the relevant art.
  • the signals may travel via a communications path 326, which may be configured to carry the signals and may be implemented using wire, cable, fiber optics, a phone line, a cellular phone link, a radio frequency link, etc.
  • the computer system 300 may further include a display interface 302.
  • the display interface 302 may be configured to allow data to be transferred between the computer system 300 and external display 330.
  • Exemplary display interfaces 302 may include high-definition multimedia interface (HDMI) , digital visual interface (DVI) , video graphics array (VGA) , etc.
  • the display 330 may be any suitable type of display for displaying data transmitted via the display interface 302 of the computer system 300, including a cathode ray tube (CRT) display, liquid crystal display (LCD) , light-emitting diode (LED) display, capacitive touch display, thin-film transistor (TFT) display, etc.
  • CTR cathode ray tube
  • LCD liquid crystal display
  • LED light-emitting diode
  • TFT thin-film transistor
  • Computer program medium and computer usable medium may refer to memories, such as the main memory 308 and secondary memory 310, which may be memory semiconductors (e.g., DRAMs, etc. ) . These computer program products may be means for providing software to the computer system 300.
  • Computer programs e.g., computer control logic
  • Such computer programs may enable computer system 300 to implement the present methods as discussed herein.
  • the computer programs when executed, may enable processor device 304 to implement the methods illustrated by FIGS. 1 and 2, as discussed herein. Accordingly, such computer programs may represent controllers of the computer system 300.
  • the software may be stored in a computer program product and loaded into the computer system 300 using the removable storage drive 314, interface 320, and hard disk drive 312, or communications interface 324.
  • the processor device 304 may comprise one or more modules or engines configured to perform the functions of the computer system 300. Each of the modules or engines may be implemented using hardware and, in some instances, may also utilize software executed on hardware, such as corresponding to program code and/or programs stored in the main memory 308 or secondary memory 310. In such instances, program code may be compiled by the processor device 304 (e.g., by a compiling module or engine) prior to execution by the hardware of the computer system 300. For example, the program code may be source code written in a programming language that is translated into a lower level language, such as assembly language or machine code, for execution by the processor device 304 and/or any additional hardware components of the computer system 300.
  • the process of compiling may include the use of lexical analysis, preprocessing, parsing, semantic analysis, syntax-directed translation, code generation, code optimization, and any other techniques that may be suitable for translation of program code into a lower level language suitable for controlling the computer system 300 to perform the functions disclosed herein. It will be apparent to persons having skill in the relevant art that such processes result in the computer system 300 being a specially configured computer system 300 uniquely programmed to perform the functions discussed above.

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Abstract

L'invention concerne un procédé et un système pour valider une mise à jour d'image sur un dispositif à l'essai. Le procédé comprend la réception d'une commande sur le dispositif en cours de test pour la mise à niveau de l'image sur le dispositif en cours de test; la surveillance d'un ou plusieurs dispositifs ayant une connectivité sans fil avec le dispositif en cours de test pendant une première période de temps prédéterminée; le classement de chacun des un ou plusieurs dispositifs ayant une connectivité sans fil avec le dispositif en cours de test dans une ou plusieurs catégories; la mise à niveau d'une image originale sur le dispositif en cours de test avec une nouvelle image sur le dispositif en cours de test; la surveillance de la connectivité sans fil entre le ou les dispositifs après que la nouvelle image ait été installée pendant une seconde période de temps prédéterminée; et la validation de la nouvelle image sur le dispositif en cours de test en détectant la perte de connectivité sans fil dans le ou les dispositifs pendant la seconde période de temps prédéterminée.
PCT/CN2020/075520 2020-02-17 2020-02-17 Procédé et système de validation de repositionnement sur la base d'une connectivité sans fil WO2021163838A1 (fr)

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CN107222643A (zh) * 2017-07-25 2017-09-29 深圳市芯中芯科技有限公司 一种基于软件app技术的蓝牙设备固件升级方法及系统
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CN108052339A (zh) * 2017-12-29 2018-05-18 无锡小天鹅股份有限公司 固件升级的控制方法及装置、存储介质和信号发射设备

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