EP4104056A1 - Calculateur électronique, système électronique, procédé de surveillance de l'exécution d'une application et programme d'ordinateur associé - Google Patents
Calculateur électronique, système électronique, procédé de surveillance de l'exécution d'une application et programme d'ordinateur associéInfo
- Publication number
- EP4104056A1 EP4104056A1 EP21703941.1A EP21703941A EP4104056A1 EP 4104056 A1 EP4104056 A1 EP 4104056A1 EP 21703941 A EP21703941 A EP 21703941A EP 4104056 A1 EP4104056 A1 EP 4104056A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- application
- execution
- clone
- result
- computer
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 operations
- G06F11/1479—Generic software techniques for error detection or fault masking
- G06F11/1492—Generic software techniques for error detection or fault masking using run-time replication performed by the application software, e.g. N-modular type
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- G06F11/16—Error detection or correction of the data by redundancy in hardware
- G06F11/1629—Error detection by comparing the output of redundant processing systems
- G06F11/1641—Error detection by comparing the output of redundant processing systems where the comparison is not performed by the redundant processing components
Definitions
- TITLE Electronic calculator, electronic system, method of monitoring the execution of an application and associated computer program
- the present invention relates to an electronic computer comprising at least one memory space and one data processing chain, the chain comprising at least one input / output processing entity of the computer, at least one processor configured for execute at least one software program called an application, and an operating system interacting with the input / output processing entity and said at least one processor.
- the present invention also relates to an avionics system comprising such an electronic computer.
- the present invention also relates to a method for monitoring the execution of an application on such an electronic computer, the method being implemented by such an electronic computer.
- the present invention also relates to a computer program comprising software instructions which, when executed by a computer, implement such a method for monitoring the execution of an application on such an electronic computer.
- the present invention relates to electronic computers for critical systems, in particular computers dedicated to graphics applications, meeting criteria of operational integrity and also of size, weight, and flexibility of implementation as used for transport.
- constraints are implemented at the level of the application to be executed by the computer and / or at the level of the system definition of this application, or even on the definition of the computer itself. implementing such an application by imposing a multiplication of its internal resources for comparison purposes for integrity validation.
- constraints are in no way necessary for the final function of the application and only make it possible to alleviate a lack of integrity of the electronic computer as such.
- the aim of the invention is therefore to provide an electronic computer and a method for monitoring the execution of an application on such an electronic computer which makes it possible to increase the integrity of the electronic computer without imposing any constraint on the level of the computer. application and its design, neither at the level of the computer nor in terms of size, weight and power (from the English SWaP for Size, Weig ht and Power).
- the invention relates to an electronic computer comprising at least a memory space and a data processing chain (s), the chain comprising at least:
- At least one processor configured to execute at least one software program called an application
- an operating system in interaction with the input / output processing entity and said at least one processor, the electronic computer, in the presence of an external request, intended for said at least one processor, of execution of a source application, the executable of which has been loaded beforehand in a first dedicated area of the memory space of said computer, being at least specific to:
- the electronic computer according to the present invention is then able to provide a tailor-made increase in integrity by instantiating at least one clone application of the application for which the increase in execution integrity is desired.
- the source application and its clone are then run independently as two separate applications would be on the computer's computation chain, which at the same time does not require the addition of a hardware resource, and is transparent for the design of the computer. application (s).
- the electronic computer comprises one or more of the following characteristics, taken individually or in any technically possible combination:
- the single output corresponds to a sanction command of said at least one processor, or
- the single output corresponds to the result of the execution of the source application or to the result executing said at least one clone application;
- the computer comprises a comparator independent of said at least one processor, the comparator being dedicated to:
- said comparator being configured to apply said sanction command in the event of inconsistency between the result of the execution of the source application and the result of the execution of said at least one cloned application;
- the comparator is integrated within the input (s) / output (s) processing entity separate from said processor.
- the subject of the invention is also an electronic system comprising at least one electronic computer according to the present invention, and an installation device.
- application configured to make the source application clonable within the computer, the cloning character of the source application being activatable / deactivatable according to the desired level of integrity of the source application and / or according to the availability of said at least one processor of the computer.
- the electronic computer comprises one or more of the following characteristics, taken individually or in any technically possible combination:
- the installation device is configured to make the source application clonable by loading the executable of the source application in a first dedicated area of the memory space of the computer, and by configuring the operating system of the computer to allocate , to each source application and clone (s):
- said comparison indicator is used to detect the result of the execution of the source application, and the result of the execution of said at least one clone application, to be compared;
- the electronic system is an avionics system.
- the subject of the invention is also a method for monitoring the execution of an application on an electronic computer comprising at least one memory space and one data processing chain (s), the chain comprising at least:
- At least one processor configured to execute at least one software program called an application
- the subject of the invention is also a computer program comprising software instructions which, when they are executed by a computer, implement a method for monitoring the execution of an application on an electronic computer as defined herein. -above.
- Figure 1 is a schematic view of the hardware elements of an electronic system according to the present invention.
- Figure 2 is a flowchart of a monitoring method according to the invention, the method being implemented by the electronic computer of the electronic system of Figure 1.
- the electronic system S comprises an electronic computer C and a device for installing DIA application (s). Moreover, optionally, in particular when the computer is dedicated to graphics applications, the system S further comprises a DRG graphics rendering device.
- DIA application s
- the system S further comprises a DRG graphics rendering device.
- such an electronic system S is an avionics system, in particular used in avionics architectures IMA (Integrated Modular Avionics).
- the electronic computer C corresponds for example to a generic hardware and software platform (from English hardware and software) comprising one or more processor (s) 12 CPU (from English Central Processing Unit) , a module 14 for providing outputs, and one or more hardware entity (s) 16 for processing input (s) / outputs (I / O for English Input / output) of the computer C, the module 14 for supplying of outputs being both connected to the processor (s) and to the input / output processing hardware entity (ies) 16.
- the computer C further comprises an operating system, not shown, in interaction with the processor (s) 12 and one or more hardware entity (s) 16 for input processing. outputs (I / O for English Input / output) of the computer C.
- the device for installing DIA application is configured to make a source application clonable within the electronic computer C, the cloning character of the source application being activatable / deactivatable depending on the level of desired integrity of the source application and / or depending on the availability of one or more processor (s) 12 CPU (Central Processing Unit) processor of the electronic computer C.
- processor s
- CPU Central Processing Unit
- the DIA application installation device is configured to make the source application clonable by loading the executable of the source application into a first dedicated area of the memory space of the electronic computer C, and by configuring the operating system of the electronic computer C to allocate, to each source application and clone (s):
- the DIA application installation device is both responsible for installing the applications, in particular clonable according to the present invention, in the electronic computer C, and for setting the operating system of the electronic computer. C to make them operate within the electronic computer C, automatically and transparently.
- the source application and its clone are in fact then, according to the present invention, executed by the electronic computer C independently as two separate applications would be on the calculation chain of the electronic computer C which, at the same time, does not require no addition of hardware resource, and is transparent to the design of application (s).
- the DIA application installation device (s) is able to configure the management of the various inputs / outputs by the operating system to allocate inputs / outputs (read as well as write) for each source instance and clone of the same application, and this as if it had instantiated two different applications, except that the application installation device (s) DIA indicates in the configuration of the application made clonable that its inputs / outputs are application inputs / outputs identical, namely source and clone, so that the electronic computer C detects that the application is made clonable and implements a suitable processing described below.
- the device for installing DIA application (s) is suitable for verifying that the constraints specific to the management of clonable application (s) are indeed respected, which amounts to verifying a set of rules in order to to guarantee the execution environment of the clonable application (s), and to avoid possible side effects.
- the DIA installation device is separate from the electronic computer C, that is to say outside the housing of the electronic computer C (i.e. "off-board").
- the DIA installation device is on-board, or even integrated complement, within the electronic computer C.
- the electronic system S comprises for example two entities, namely on the one hand the on-board electronic computer C. the DIA installation device, and on the other hand the DRG graphic rendering device.
- the architecture of the electronic computer C according to the present invention is advantageously an architecture of the simplex type, that is to say with a single direct chain without loopback or duplication of physical resource, and in particular an architecture IMA simplex suitable for guaranteeing the non-interference of a given application with another distinct application.
- the electronic computer C in the presence of an external request, intended for the processor 12, for executing a source application whose executable has been loaded beforehand within a first dedicated zone of the memory space, not shown, of said electronic computer C, is at least specific to:
- intrinsic synchronization points such as, for example, disclosed within the patent application FR 2 742 015 A1 , are used in the implementation of the electronic calculator C.
- the electronic computer C comprises an input port 18 connected to a module 20 for managing the input (s) of the processor (s) 12.
- a module 20 for managing the input (s) of the processor (s) 12 corresponds to an IO server (known in English under the name of Input / Output server) of an electronic computer of an avionics system presenting an IMA architecture whose role is classically quite different, namely to factorize the task of acquiring the data, while offering an abstraction of the physical layer, then making them available to applications consuming said data.
- the module 20 for managing the input (s) of the processor (s) ( s) 12 in interaction with the operating system not shown is suitable for detecting that the source application has been made clonable and consequently allocates two separate inputs 22A and 22B as input to an entity 24 of processor core (s) 12.
- the input 22A is the input allocated to the source application and is associated with a first comparison indicator of the source application making it possible to indicate to the processor 12 that this input 22A must be used to run the application.
- the entry 22B is the entry allocated to the clone application of the source application and is associated with a second comparison indicator of the source application making it possible to indicate to the processor 12 that this entry 22B must be used for run the clone application of the source application.
- the first comparison indicator and the second comparison indicator are identical and only make it possible to identify that the execution results of the applications associated with these indicators via their input (respectively output) must be compared.
- the first comparison indicator and the second comparison indicator are distinct, for example via a double indexing, and then make it possible both to identify that the execution results of the applications associated with these indicators via their input (respectively output) must be compared, and the traceability of the path of these results throughout the functional chain of the electronic computer C.
- first comparison indicator and the second comparison indicator are distinct or identical, they are subsequently used to detect the result of the execution of the source application, and the result of the execution of said at least one application. clone, to compare.
- the computer C is a multi-core processor machine comprising a first core 26 allocated according to the present invention to the execution of the source application 28 and a second core 30 allocated to the execution of the application clone 32.
- Such an entity 24 of processor core (s) 12 makes it possible to execute the source application 28 and said at least one clone application 32 independently of each other by using said processor 12 and this simultaneously in parallel.
- the input management module 20, corresponding in particular to an IO server, previously configured via the application installation device (s) DIA allows two applications, namely the source application 28 and the clone application 32 to use the same input port 18, whereas by nature this is not conventionally possible / provided for certain input / output types.
- a common memory area accessible to run each source 28 and clone 32 application is implemented according to a degraded embodiment because in some cases having side effects potentially harmful to the integrity requirements required.
- the module 20 input management (s), corresponding in particular to an IO server, is configured to completely double the management logic of this type of input, which includes implementing a consumption logic for such a complex input, independent for each source application 28 and clone 32, and therefore a double memory area associated with such a double consumption logic (a consumption logic associated with the source application 28 and a consumption logic associated with the clone application).
- the input management module 20, corresponding in particular to an IO server is configured to, on the one hand, implement for the. source application 28, a first logic for managing and consuming a sequence of values of this “queued or protocol” entry received from the outside world, via the input port 18, in order to guarantee that each message is indeed received , and this in the correct order, by the consuming source application 28, and on the other hand, implementing for the clone application 32 a second logic for managing and consuming a sequence of values of this same entry "in queue d 'waiting or protocol' received from the outside world, via the input port 18, in order to guarantee that each message is received, and in the correct order, by the consuming clone 32 application.
- the input management module 20 corresponding in particular to an IO server, allows, from a single input received via the input port 18, an automatic and transparent adaptation of the data / inputs consumed respectively by the source application 28 and by the clone application 32.
- the input management module 20, corresponding in particular to an IO server is only dedicated to the management of the inputs associated with each source application 28 and clone 32, and n ' does not intervene for the management of the result 34A of the execution of the source application 28 and of the result 34B of the execution of the clone application 32.
- the processor 12 is single-core, and the execution of the source application and of the clone application are serialized and executed independently of each other using separate execution periods.
- the electronic computer C comprises a plurality of separate processors and completely independent of each other, and the execution of the source application and of the clone application are implemented in parallel on each of them. these separate processors and independently of one another as two separate applications would be on the computer chain.
- the processor 12 of the electronic computer C corresponds to a software infrastructure based on at least two virtual machine (s) with capacities for the independence of these virtual machines, two distinct virtual machines. and independent then hosting according to the invention the execution of the source application on a first virtual machine and the execution of the application.
- the hardware resources are not multiplied / increased for integrity needs because the invention consists, on the contrary, in optimizing their use to run a clone application of a source application like two separate applications would normally be executed, the cloning character of the source application being advantageously activatable / deactivatable according to the present invention according to the desired level of integrity of the source application and / or according to the availability of the computing resources.
- the result 34A of the execution of the source application 28 and the result 34B of the execution of the 'clone application 32 are then transmitted by the entity 24 of the processor core (s) 12 to the module 14 for providing outputs which succeeds the processor 12 in the functional chain of execution of the electronic computer C.
- IMA Integrated Modular Avionics
- the result 34A of the execution of the source application 28 is the output allocated to the source application and is associated with a first comparison indicator of the application source making it possible to indicate to the following elements the processor 12 in the calculation chain of the electronic computer C that this result 34A must be associated with the source application.
- the result 34B of the execution of the clone application 32 is the output allocated to the clone application of the source application and is associated with a second comparison indicator of the source application making it possible to indicate the following elements the processor 12 in the chain for calculating the electronic computer C that this result 34B must be associated with the clone application.
- first comparison indicator and the second comparison indicator are separate or identical, they are used subsequently to detect the result 34A of the execution of the source application, and the result 34B of the execution. of said at least one clone application, to be compared, in particular after a prior formatting processing by the module 14 for providing outputs.
- the result 34A of the execution of the source application 28 and the result 34B of the execution of the clone application 32 are transmitted to the input of the input / output driver 36 of the module 14 for providing outputs, which transmits them, optionally accompanied by other various and predetermined data, within a transmission channel 38 to an input / output interface and management tool 40 which is itself configured, in particular according to an architecture IMA avionics, to provide two sets of data 42B and 42A distinct and independent, of form adapted to the needs of the input / output processing entity 16 and not dependent on constraint (s) linked to the execution of the 'source application 28 or with the execution of the clone application 32, and respectively associated with the result 34A of the execution of the source application 28 and with the result 34B of the execution of the clone application 32 B, as input of a comparator 44 independent of the processor 12 (by independent here is meant that the comparator 44 is physically distinct from the processor (ie outside the processor) but, as illustrated in FIG. 1, can be integrated within the same
- the comparator 44 is integrated within the input (s) / output (s) processing entity 16 distinct from said processor 12, and corresponds to a modified comparator, with respect to to the comparator already present within the existing input (s) / output (s) processing entity 16, for the purposes of the invention, so as to be specifically configured to compare the result of two applications resulting from an application cloning.
- the modification of such a comparator does not modify the existing architecture of the electronic computer C, nor that of the existing input (s) / output (s) processing entity 16.
- the hardware implementation according to the invention of comparing the result 34A of running the source application 28 and the result 34B of running the clone application 32 does not involve additional resources.
- the comparator 44 autonomously implements a comparison without knowledge of the applications and their function and by using resources different from those used by the applications, the comparison indicator only making it possible to detect that the result of two distinct applications are to be compared but does not allow the independent comparator 44 to identify that these two results were obtained from a source application and its clone.
- the comparison indicator indicates that two applications are to be compared, but does not allow the comparator 44 to identify the nature of the application.
- the comparator 44 independent of the processor 12, implements such a comparison as if it were comparing the execution result of two distinct applications X and Y (ie the applications X and Y are “non-cloned” one of the.
- the source application made clonable has no “awareness” of the fact that it has been made clonable by the installation device DIA, nor knowledge of the comparison of its execution result with that of its clone.
- a comparator 44 corresponds to an output validation cell allowing the generation of a single output to the world outside the electronic computer C, such an output associated with the execution of the source application made clonable being advantageously according to the present invention. more honest.
- the single output corresponds to a sanction command from said to less one processor 12.
- the single output corresponds to the result of the execution of the source application or the result of the execution of said at least one clone application (i.e. the result of the execution of the source application and the result of the execution of said at least one clone application are merged into a single output).
- the comparator 44 is dedicated to the comparison of the result 34A of the execution of the source application 28 with the result 34B of the execution of said at least one clone application 32, said comparison delivering an integrity result, and on generating said single output as a function of the integrity result, said comparator 44 being configured to apply said sanction command in the event of an inconsistency between the result of the execution of the source application and the result of the execution of said at least one clone application.
- the comparator 44 comprises, for example as illustrated in FIG. 1, at least two signature processors 46 and 48.
- the signature processor 46 is, according to the example of FIG. 1, dedicated to the signature. of the data set 42A associated with the result 34A of the execution of the source application 28, while the signature processor 48 is dedicated to the signature of the data set 42B associated with the result 34B of the execution of the application clone 32.
- the signatures generated by each of the signature processors 46 and 48, respectively associated with the source application 28 and with the clone application 32, are supplied to a signature comparator 50 delivering the integrity result mentioned above, namely corresponding to an inconsistency between the two signatures or a consistency between these two signatures.
- a sanction filter 52 suitable for detecting the nature of the integrity result, namely consistent or inconsistent.
- Such a sanction filter 52 of the comparator 44 is configured to transmit to the interface and management tool 40 of the module 14 for providing outputs the status 54 of the filtering carried out.
- the interface and management tool 40 of the module 14 for providing outputs generates the single output 56 corresponding to: a sanction command in the event of inconsistency between the result 34A of the execution of the source application 28 and the result 34B of the execution of said at least one clone application 32, or the result of the execution of the source application or the result of the execution of said at least one clone application in case consistency between the result 34A of the execution of the source application 28 and the result 34B of the execution of said at least one clone application 32.
- the comparator 44 is integrated within the input (s) / output (s) processing entity 16 distinct from said processor 12, and corresponds to a comparator already present within the processing entity of existing input (s) / output (s) 16, the sanction management (ie the error management mechanism within the functional chain of the electronic computer C) according to the present invention therefore does not require additional resources and makes it possible to conserve a simplex architecture.
- This single output 56 is provided by the interface and management tool 40 to the “outside world” via an output processing line 58, and in particular when the source application 28 is a graphics application to the rendering device. DRG chart.
- FIG. 2 illustrating a flowchart of the method P for monitoring the execution of an application implemented. works automatically by the electronic computer C.
- the electronic computer C receives an external request, intended for said at least processor 12, to execute a source application whose executable has been loaded beforehand, in particular by the installation device DIA, within a first dedicated area of the memory space of said electronic computer C.
- the electronic computer C instantiates at least one clone application of the source application by duplicating the executable of the source application to create the executable of said at least one clone application, and by storing the executable of said at least one application cloned in a second zone of the memory space distinct from the first memory zone dedicated to the source application, and by generating a request, internal to the electronic computer C and intended for said at least one processor 12, d execution of said at least one clone application.
- the electronic computer C executes the source application 28 and said at least one clone application 32 independently of each other by using for example as illustrated in FIG. 1 respectively the first core 26 and the second core 28 of processor 12.
- the electronic computer C According to a last step GO, the electronic computer C generates a single output as a function of an integrity result obtained by comparison, in particular via the comparator 44 of FIG. 1, of the result of the execution of the source application 28 with the result of the execution of said at least one clone 32 application.
- the electronic computer C like the electronic system S comprising it as well as the application installation device (s) DIA and the method according to the invention, increase the execution integrity of an application, and by its structure is suitable for integrating transient events such as singular events SEE (standing for Single event effect associated with the radiative environment of the material components of the electronic computer C (neutrons, radiations)).
- the present invention cleverly uses, as indicated above, properties, in particular IMA, guaranteeing spatial and / or temporal segregation and total independence of the multiple applications suitable for being hosted on the electronic computer C.
- the infrastructure of the electronic computer C as configured by the installation device DIA guarantees full and complete independence of execution of the source application and of its clone.
- the electronic computer C configured by means of the installation device DIA, is suitable on the one hand to multi-execute autonomously (ie automatically without human intervention) the same application made spatially clonable on two resources and / or temporally different and this by limiting as much as possible the identical use of common resources, then on the other hand to check, by means of a comparator 44 independent of the processor 12, the consistency of this multiple execution of the same application, and in the event of inconsistency in sanctioning the activity of processor 12, in order to avoid any propagation of the result of execution of the application made clonable.
- Such a multiple execution and such a control are transparent for the application made clonable, because seen from the outside (ie from the “outside world”) of the electronic computer C, a single input is provided and a single output is strictly delivered.
- the unique output associated with the application made clonable is more complete.
- the present invention provides a robust integrity mechanism solution to cover, locate and identify permanent or transient failures occurring only during application execution. According to the present invention, to create an undetected error during the execution of an application made clonable (ie when the application has a high need for integrity) two to three distinct failures are now necessary against sometimes only one with a classic C electronic calculator.
- the non-detection of an error implies an error within two distinct physical entities of the electronic computer C according to the present invention, namely the processor 12 and the input (s) / output (s) processing entity. 16 comprising the comparator 44, and not an erroneous one or several within the same physical entity of a conventional electronic computer C.
- the increase in integrity of an application is configurable and modular, which allows high reusability, for example from one carrier to another in an avionics context.
- the cloning character of an application can easily be activated / deactivated by the DIA application installation device capable of optimizing, depending on this activation, the resources available for the applications (100% of the resources physically present can be used). , in complete transparency and without evolution, for the applications).
- the resources that can be allocated to a clone are free and can be used for other applications.
- the simplex architecture of the electronic computer C according to the present invention is retained in order to limit its size, weight and power (SWaP for Size, Weight and Power) and the solution according to the present invention. is suitable for being integrated with a low impact on a simplex architecture conforming to an existing architecture, or even existing, by the configuration implemented by the DIA installation device.
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Hardware Redundancy (AREA)
- Debugging And Monitoring (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR2001472A FR3107369B1 (fr) | 2020-02-14 | 2020-02-14 | Calculateur electronique, systeme electronique, procede de surveillance de l'execution d'une application et programme d'ordinateur associe |
| PCT/EP2021/053422 WO2021160783A1 (fr) | 2020-02-14 | 2021-02-12 | Calculateur électronique, système électronique, procédé de surveillance de l'exécution d'une application et programme d'ordinateur associé |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP4104056A1 true EP4104056A1 (fr) | 2022-12-21 |
Family
ID=72088194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP21703941.1A Pending EP4104056A1 (fr) | 2020-02-14 | 2021-02-12 | Calculateur électronique, système électronique, procédé de surveillance de l'exécution d'une application et programme d'ordinateur associé |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US12007858B2 (fr) |
| EP (1) | EP4104056A1 (fr) |
| FR (1) | FR3107369B1 (fr) |
| WO (1) | WO2021160783A1 (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240394103A1 (en) * | 2023-05-23 | 2024-11-28 | Bank Of America Corporation | Secure allocated resource tracking method for optimizing multiple operations |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2742015B1 (fr) | 1995-12-01 | 1998-01-09 | Sextant Avionique | Procede de securisation d'une action et dispositif de mise en oeuvre |
| US6854051B2 (en) * | 2000-04-19 | 2005-02-08 | Hewlett-Packard Development Company, L.P. | Cycle count replication in a simultaneous and redundantly threaded processor |
| US7290169B2 (en) * | 2004-04-06 | 2007-10-30 | Hewlett-Packard Development Company, L.P. | Core-level processor lockstepping |
| US7933966B2 (en) * | 2005-04-26 | 2011-04-26 | Hewlett-Packard Development Company, L.P. | Method and system of copying a memory area between processor elements for lock-step execution |
| US7941698B1 (en) * | 2008-04-30 | 2011-05-10 | Hewlett-Packard Development Company, L.P. | Selective availability in processor systems |
| US10331529B2 (en) * | 2017-03-15 | 2019-06-25 | International Business Machines Corporation | Maintaining system reliability in a CPU with co-processors |
-
2020
- 2020-02-14 FR FR2001472A patent/FR3107369B1/fr active Active
-
2021
- 2021-02-12 US US17/797,912 patent/US12007858B2/en active Active
- 2021-02-12 WO PCT/EP2021/053422 patent/WO2021160783A1/fr not_active Ceased
- 2021-02-12 EP EP21703941.1A patent/EP4104056A1/fr active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR3107369A1 (fr) | 2021-08-20 |
| WO2021160783A1 (fr) | 2021-08-19 |
| FR3107369B1 (fr) | 2022-02-25 |
| US20230153212A1 (en) | 2023-05-18 |
| US12007858B2 (en) | 2024-06-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10831933B2 (en) | Container update system | |
| FR2936068A1 (fr) | Procede et dispositif d'encapsulation d'applications dans un systeme informatique pour aeronef. | |
| EP2776927A1 (fr) | Procédé, programme d'ordinateur et dispositif d'allocation de ressources informatiques d'un cluster pour l'exécution d'un travail soumis audit cluster | |
| EP2962242A1 (fr) | Procede de detection d'attaques de machines virtuelles | |
| US10929471B2 (en) | Sequential pattern mining | |
| US11675602B2 (en) | Methods and systems for creating root-of-trust for computing system components | |
| EP2460071A2 (fr) | Traitement automatisé de données multi-usages, mettant en oeuvre des fonctions ayant besoin de différents niveaux de sûreté ou limites de responsabilité | |
| FR2960668A1 (fr) | Procede et dispositif de configuration incrementale de modules de type ima | |
| FR3054902B1 (fr) | Procede et dispositif de distribution de partitions sur un processeur multi-coeurs | |
| EP2149823A1 (fr) | Système aéronautique embarqué à reconfiguration dynamique, procédé associé et aéronef embarquant un tel système | |
| EP3204867B1 (fr) | Système embarqué sur puce à haute sûreté de fonctionnement | |
| EP4104056A1 (fr) | Calculateur électronique, système électronique, procédé de surveillance de l'exécution d'une application et programme d'ordinateur associé | |
| US10613922B2 (en) | Synchronously generating diagnostic data | |
| US8856785B2 (en) | Predicting and generating a quantity of image clones | |
| EP3819767B1 (fr) | Procédé et dispositif électronique de surveillance d'une application logicielle avionique via des compteurs d'appel(s) système, programme d'ordinateur et système avionique associés | |
| US11789512B2 (en) | Increased data storage throttling during power failure | |
| CA2887077A1 (fr) | Systeme de traitement de donnees pour interface graphique et interface graphique comportant un tel systeme de traitement de donnees | |
| FR3131051A1 (fr) | Procédé de traitement de données d’un dispositif d’assistance au pilotage d’aéronefs | |
| FR2973131A1 (fr) | Procede et dispositif de detection d'incompatibilites d'interfaces logiques d'equipements de systemes embarques | |
| EP3502949A1 (fr) | Procédé et système de contrôle d'ordonnancement de tâches logicielles | |
| EP4502806B1 (fr) | Plateforme pour l exécution d applications avioniques, procédé et programme d ordinateur associés | |
| FR3041788A1 (fr) | Procede de controle de la capacite d'utilisation d'un systeme partitionne de traitement de donnees. | |
| US11870858B2 (en) | Intelligent, fast-forwarded health checks within service mesh | |
| CN115857960B (zh) | 微服务管理系统、方法、装置、存储介质及电子设备 | |
| US20250110642A1 (en) | Method, device, and computer program product for upgrading virtual storage system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: UNKNOWN |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE |
|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE |
|
| 17P | Request for examination filed |
Effective date: 20220811 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR |
|
| DAV | Request for validation of the european patent (deleted) | ||
| DAX | Request for extension of the european patent (deleted) | ||
| P01 | Opt-out of the competence of the unified patent court (upc) registered |
Effective date: 20230425 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: EXAMINATION IS IN PROGRESS |
|
| 17Q | First examination report despatched |
Effective date: 20250718 |