WO2016127315A1 - Procédé et appareil de partage de ressource pour un système en nuage privé - Google Patents
Procédé et appareil de partage de ressource pour un système en nuage privé Download PDFInfo
- Publication number
- WO2016127315A1 WO2016127315A1 PCT/CN2015/072659 CN2015072659W WO2016127315A1 WO 2016127315 A1 WO2016127315 A1 WO 2016127315A1 CN 2015072659 W CN2015072659 W CN 2015072659W WO 2016127315 A1 WO2016127315 A1 WO 2016127315A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- resource
- private device
- private
- information
- sharing
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000010586 diagram Methods 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
Definitions
- the present invention belongs to the field of cloud storage technologies, and in particular, to a resource sharing method and device for a private cloud system.
- Private cloud storage technology is an important technology in cloud storage technology, but most of the research is only about how to ensure data security in private cloud storage process in private cloud storage process. However, there is little research on how to share resources among private cloud storage users. Therefore, resource sharing cannot be performed between private devices of private cloud systems of different users in the prior art.
- the purpose of the embodiments of the present invention is to provide a home cloud service management method, which aims to solve the problem that data sharing between private devices of the prior art private cloud system cannot be performed.
- the embodiment of the present invention is implemented as follows.
- the first aspect of the present invention provides a resource sharing method for a private cloud system, where the private cloud system includes at least one control terminal, at least one private device terminal, and a server, where each The control end corresponds to a private device end, and the method includes:
- the control end receives the resource acquisition request of the user
- the control end sends a resource query request to the server according to the resource acquisition request, and acquires network node information of another private device end that can currently share the resource, where the server stores the private device with the sharing function.
- End network node information the private device end having a sharing function sets a shared resource according to requirements, and the network node information includes address information of the network node;
- Another aspect of the embodiments of the present invention further provides a resource sharing device of a private cloud system, where the private cloud system includes at least one control terminal, at least one private device terminal, and a server, where each control terminal and a private device Corresponding to the end, the device comprises:
- a requesting unit configured to receive, by the control end, a resource acquisition request of the user
- a first obtaining unit configured to send, by the control terminal, a resource query request to the server according to the resource obtaining request, to acquire network node information of another private device end that can currently share the resource, where the server Storing network node information of a private device with a sharing function, the private device having a sharing function setting a shared resource according to requirements, where the network node information includes address information of the network node;
- a second acquiring unit configured to acquire, according to the network node information, network status information of the network node where the other private device end capable of providing the sharing function, and performance information and usage status information of the other private device end;
- a sorting unit configured to analyze, according to the network status information, performance information of other private device ends, and usage status information, a data download speed of the network node of the other private device end capable of providing the sharing function, and according to the download speed, Sorting network nodes of other private devices that can provide sharing functions
- a sending unit configured to send, to the private device end corresponding to the control end, network node information of another private device end that can share the resource with the first N-bit download speed, so that the private device corresponding to the control end According to the network node information, the terminal downloads the required resources from the network node where the other N-bits of the private device end that can share the resource with the first N-bit download speed.
- the invention communicates with the server and other private device terminals to obtain information of other private device terminals that can share resources, thereby controlling the private cloud device corresponding to the user to download resources from other private devices with sharing functions. Realize resource sharing between different private clouds, maximize resource utilization, and download speed.
- FIG. 1 is a schematic structural diagram of a private cloud system according to Embodiment 1 of the present invention.
- FIG. 2 is a flowchart of a resource sharing method of a private cloud system according to Embodiment 1 of the present invention
- FIG. 3 is a flowchart of a resource sharing method of a private cloud system according to Embodiment 2 of the present invention.
- FIG. 4 is a flowchart of a resource sharing method of a private cloud system according to Embodiment 3 of the present invention.
- FIG. 5 is a structural diagram of a resource sharing apparatus of a private cloud system according to Embodiment 4 of the present invention.
- FIG. 6 is a structural diagram of a resource sharing apparatus of a private cloud system according to Embodiment 5 of the present invention.
- FIG. 7 is a structural diagram of a resource sharing apparatus of a private cloud system according to Embodiment 6 of the present invention.
- the server may send a resource query request to the server to obtain network node information of other private device terminals that can currently share the resource, so that the private device
- the terminal downloads the required resources from the private device with the sharing function according to the network node information of the other private device.
- FIG. 1 is a schematic structural diagram of a private cloud system according to this embodiment, where the system includes: at least one control end, wherein three control terminals are taken as an example, and it is assumed that the control terminal A, the control terminal B, and the control terminal C, at least one The private device is assumed to include the private device A, the private device B, and the private device C, and the server.
- Each of the control terminals corresponds to a private device, that is, the control terminal A corresponds to the private device A and the control terminal.
- B corresponds to the private device B and the control C corresponds to the private device C.
- the control terminal performs login authentication through the server in any place where the Internet can be accessed, and then communicates with the private device to control functions such as downloading and file management of the private device; the server is deployed on the Internet to provide login authentication. And the function of the privilege control; the private device end is set to the private device end in the home, and the private device end stands by for a long time, and after each startup, automatically finds the server deployed in the Internet to perform the online action.
- the control software accesses the resource server background, obtains resource application information and detailed resource information, and notifies its corresponding private device to download, and in real time Monitor the download progress and download status.
- FIG. 2 shows the private cloud provided by the first embodiment of the present invention.
- the control end receives a resource acquisition request of the user.
- the resource acquisition request may be input on the screen of the control terminal.
- the control end sends a resource query request to the server according to the resource acquisition request, and acquires network node information of another private device end that can currently share the resource.
- the server stores network node information of a private device end having a sharing function, and the private device end having a sharing function sets a shared resource according to requirements, where the network node information includes address information of the network node;
- the control terminal can control whether the resources of the private cloud device are shared, that is, control the private cloud device to perform resource sharing or prohibit resource sharing, and set a range of resource sharing, which may be as follows:
- the control end receives the private device-side resource sharing instruction and the shared resource information input by the user, and sends the private device resource sharing instruction to the private device end corresponding to the control end by the server, so that the private device end corresponding to the control end is The instruction starts a private device sharing function and simultaneously sends the shared resource information to the server.
- the control terminal may also receive the user-inhibited private device-side resource sharing instruction and the resource information that is forbidden to be shared by the user, and send the forbidden private device resource sharing instruction to the private device end corresponding to the control end by the server, so that the control end corresponds to the control end.
- the private device end prohibits the private device sharing function according to the instruction, and at the same time, notifies the server to destroy the information of the forbidden shared resource.
- control end sends the network node information of the other private device end that can share the resource to the private device end corresponding to the control terminal, so that the private device end is based on network node information of other private device terminals. Download the required resources from the shared device side with sharing function.
- the private device On the other private device side, there may be one or more private device devices with sharing functions.
- the private device When there are multiple private device devices with sharing functions, the private device corresponding to the control terminal that needs to obtain resources may be used.
- the terminal can download resources from multiple private devices with sharing capabilities.
- the embodiments of the present invention can share some resource information between users on the private device, especially information that cannot be obtained from the resource server. For example, between friends, friends can share files of their own private device to other people. .
- control terminal when the control terminal wants to obtain other user resources, it may send a resource query request to the server, and obtain network node information of other private device terminals that can currently share the resource, and correspondingly
- the private device sends the network node information of the other private device that can share the resource, so that the private device downloads the private device from the shared device according to the network node information of the other private device. Resources needed. Thereby achieving resource sharing between different private cloud devices.
- FIG. 3 is a flowchart of a resource sharing method of a private cloud system according to Embodiment 2 of the present invention, where the method includes:
- the control end receives a resource acquisition request of the user.
- step S302 determining whether the resource server contains the resource requested by the user, and if so, executing step S303, if not, executing step S304;
- the server by determining whether the server contains a shared resource, it is downloaded from the resource server. If not, it is checked whether there is a private cloud device that can share the resource, so that more resource acquisition channels can be provided to ensure the user. Ability to get the resources you need.
- control end sends a resource query request to the server according to the resource acquisition request, and acquires network node information of another private device end that can currently share the resource;
- the server stores network node information of a private device end having a sharing function, and the private device end having a sharing function sets a shared resource according to requirements, where the network node information includes address information of the network node;
- S305 Send an inquiry request to a network node where other private device terminals that can share the resource are located, to determine whether the other private device end is currently capable of providing resource sharing.
- the control device when receiving the message that is provided by the device and capable of providing resource sharing, the control device sends, to the corresponding private device, the network node information of the other private device that can share the resource, so that The private device downloads the required resources from the private device with the sharing function according to the network node information of the other private device.
- the server by determining whether the server contains a shared resource, it is downloaded from the resource server, so that more resource acquisition channels can be provided to ensure that the user can obtain the required resources.
- the server by sending an inquiry request to the network node where the other private device is located, whether the other private devices can currently perform resource sharing for authentication, it can be ensured that the private device end corresponding to the control terminal can be downloaded from other private device terminals. To resources.
- FIG. 4 is a flowchart of a resource sharing method of a private cloud system according to Embodiment 3 of the present invention, where the method includes:
- the control end receives a resource acquisition request of the user.
- step S402 determining whether the resource server contains the resource requested by the user, and if so, executing step S403, if not, executing step S404;
- control end sends a resource query request to the server according to the resource acquisition request, and acquires network node information of another private device end that can currently share the resource;
- the server stores network node information of a private device end having a sharing function, and the private device end having a sharing function sets a shared resource according to requirements, where the network node information includes address information of the network node;
- the network status information includes, for example, connection information of a network link corresponding to the network node and stability information of the network link, where the device performance information includes, for example, a network node device performance indicator, the usage status.
- the information includes, for example, whether the current private device is in a connected state and the stability of the connection, and the like.
- the download speed of the network node where each private device is located is analyzed, and each device can be sorted according to the download speed from high to low.
- the required resource information can be obtained from the network node whose speed is located in the first N bits, where N is a natural number, which can ensure the stability of resource downloading and improve the download speed.
- FIG. 5 is a structural diagram of a resource sharing apparatus of a private cloud system according to Embodiment 4 of the present invention.
- the private cloud system includes at least one a control unit, at least one private device end, and a server, wherein each control end corresponds to a private device end, and the device includes: a requesting unit 51, a first obtaining unit 52, and a sending unit 53, wherein
- the requesting unit 51 is configured to receive, by the control end, a resource acquisition request of the user;
- the first obtaining unit 52 is configured to send, by the control terminal, a resource query request to the server according to the resource obtaining request, to acquire network node information of another private device end that can currently share the resource, where the The server stores the network node information of the private device end with the sharing function, and the private device end with the sharing function sets the shared resource according to the requirement, and the network node information includes the address information of the network node;
- the sending unit 53 is configured to send the network node information of the other private device end that can share the resource to the private device end corresponding to the control terminal, so that the private device end is based on the network node of the other private device end. Information, downloading the required resources from the shared device side with sharing function.
- the device also includes:
- a setting unit configured to receive the private device-side resource sharing instruction and the shared resource information input by the user, and send the private device resource sharing instruction to the private device end corresponding to the control end by the server, so that the control end corresponds to
- the private device end initiates the private device sharing function according to the instruction, and simultaneously sends the shared resource information to the server
- the control terminal receives the user-inhibited private device-side resource sharing instruction and the prohibited sharing resource information, and the server
- the prohibiting the private device resource sharing instruction is sent to the private device end corresponding to the control end, so that the private device end corresponding to the control end prohibits the private device sharing function according to the instruction, and simultaneously informs the server to destroy the information about the prohibited shared resource.
- the resource sharing device of the private cloud system provided by the embodiment of the present invention corresponds to the first embodiment of the foregoing method. For details, refer to the description of the first embodiment, and details are not described herein again.
- FIG. 6 is a structural diagram of a resource sharing apparatus of a private cloud system according to Embodiment 5 of the present invention.
- the private cloud system includes at least one The control unit, the at least one private device end, and the server, wherein each control end corresponds to a private device end, and the device includes: a requesting unit 61, a determining unit 62, a first obtaining unit 63, a confirming unit 64, and a sending unit 65. ,among them,
- the device further includes a determining unit 62, determining whether the resource server includes the resource requested by the user, and when the resource server includes the resource requested by the user, sending the resource obtaining instruction to the private device corresponding to the control end. End, so that the private device end corresponding to the control end acquires the requested resource from the resource server according to the resource acquisition instruction, and when the resource server does not include the resource requested by the user, the first acquiring unit is started.
- a determining unit 62 determining whether the resource server includes the resource requested by the user, and when the resource server includes the resource requested by the user, sending the resource obtaining instruction to the private device corresponding to the control end. End, so that the private device end corresponding to the control end acquires the requested resource from the resource server according to the resource acquisition instruction, and when the resource server does not include the resource requested by the user, the first acquiring unit is started.
- the device further includes a confirmation unit 64, configured to send an inquiry request to a network node where other private device terminals capable of sharing the resource are located, to determine whether the other private device end is currently capable of providing resource sharing, when When the message sent by the device end capable of providing resource sharing is received, the sending unit is started.
- a confirmation unit 64 configured to send an inquiry request to a network node where other private device terminals capable of sharing the resource are located, to determine whether the other private device end is currently capable of providing resource sharing, when When the message sent by the device end capable of providing resource sharing is received, the sending unit is started.
- the resource sharing device of the private cloud system provided by the embodiment of the present invention corresponds to the second embodiment of the foregoing method. For details, refer to the description of the second embodiment, and details are not described herein again.
- FIG. 7 is a structural diagram of a resource sharing apparatus of a private cloud system according to Embodiment 6 of the present invention.
- the private cloud system includes at least one a control unit, at least one private device end, and a server, wherein each control end corresponds to a private device end, and the device includes: a requesting unit 71, a first obtaining unit 72, a second obtaining unit 73, a sorting unit 74, and a sending unit 75, wherein
- the device further includes:
- the second obtaining unit 73 is configured to acquire, according to the network node information, network condition information of the network node where the other private device end capable of providing the sharing function, and performance information and usage status information of the other private device end;
- the sorting unit 74 is configured to analyze, according to the network status information, performance information of other private device ends, and usage status information, a data download speed of the network node of the other private device end capable of providing the sharing function, and according to the download speed, Sorting network nodes of other private device terminals capable of providing sharing functions;
- the sending unit 75 is configured to send, to the private device end corresponding to the control terminal, information about network nodes where other private device terminals that can share the resource with the first N-bit download speed are downloaded, so that The private device end corresponding to the control end downloads the required resources from the network node where the other N-bits of the private device end that can share the resource are downloaded according to the network node information.
- the resource sharing device of the private cloud system provided by the embodiment of the present invention corresponds to the foregoing method embodiment 3.
- each unit included is only divided according to functional logic, but is not limited to the above division, as long as the corresponding function can be implemented;
- the specific names are also for convenience of distinguishing from each other and are not intended to limit the scope of the present invention.
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Telephonic Communication Services (AREA)
Abstract
La présente invention appartient au domaine technique du stockage en nuage. L'invention concerne un procédé et un appareil de partage de ressources pour un système en nuage privé. Dans le procédé selon l'invention, une extrémité de commande : reçoit une demande d'acquisition de ressource d'un utilisateur ; envoie une demande de sollicitation de ressource à un serveur sur la base de la demande d'acquisition de ressource et acquiert des informations concernant des nœuds de réseau où se trouvent d'autres dispositifs terminaux privés qui sont aptes à partager actuellement une ressource ; acquiert des informations d'état de réseau concernant des nœuds de réseau où se trouvent d'autres dispositifs terminaux privés qui sont aptes à fournir une fonction de partage ainsi que des informations de performance et des informations d'état d'utilisation concernant les autres dispositifs terminaux privés ; analyse des vitesses de téléchargement de données des nœuds de réseau, et classe les nœuds de réseau où se trouvent les autres dispositifs terminaux privés qui sont aptes à fournir une fonction de partage ; et peut finalement télécharger une ressource requise à partir de nœuds de réseau où se trouvent les autres dispositifs terminaux privés qui sont aptes à partager une ressource et dont les vitesses de téléchargement sont classées aux N meilleures places. La présente invention exécute un partage de ressources entre différents nuages privés et optimise l'utilisation de ressources.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/072659 WO2016127315A1 (fr) | 2015-02-10 | 2015-02-10 | Procédé et appareil de partage de ressource pour un système en nuage privé |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/072659 WO2016127315A1 (fr) | 2015-02-10 | 2015-02-10 | Procédé et appareil de partage de ressource pour un système en nuage privé |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016127315A1 true WO2016127315A1 (fr) | 2016-08-18 |
Family
ID=56615007
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2015/072659 WO2016127315A1 (fr) | 2015-02-10 | 2015-02-10 | Procédé et appareil de partage de ressource pour un système en nuage privé |
Country Status (1)
Country | Link |
---|---|
WO (1) | WO2016127315A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110830565A (zh) * | 2019-10-31 | 2020-02-21 | 北京奇艺世纪科技有限公司 | 资源下载方法、装置、系统、电子设备及存储介质 |
US11050837B2 (en) | 2019-01-31 | 2021-06-29 | Hewlett Packard Enterprise Development Lp | Providing cloud services associated with unused hardware resources of private cloud providers |
WO2021227999A1 (fr) * | 2020-05-11 | 2021-11-18 | 中兴通讯股份有限公司 | Système et procédé de service en nuage |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101141717A (zh) * | 2006-09-06 | 2008-03-12 | 深圳市朗科科技有限公司 | 基于无线通信的多台手持设备之间的文件下载方法 |
CN101350780A (zh) * | 2008-08-25 | 2009-01-21 | 深圳市同方多媒体科技有限公司 | 一种实现网络共享的方法和系统 |
CN101488974A (zh) * | 2009-02-25 | 2009-07-22 | 深圳创维数字技术股份有限公司 | 一种p2p资源提供方法、系统及p2p目录服务器 |
CN102546728A (zh) * | 2010-12-27 | 2012-07-04 | 北大方正集团有限公司 | 一种对等网络资源下载方法 |
-
2015
- 2015-02-10 WO PCT/CN2015/072659 patent/WO2016127315A1/fr active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101141717A (zh) * | 2006-09-06 | 2008-03-12 | 深圳市朗科科技有限公司 | 基于无线通信的多台手持设备之间的文件下载方法 |
CN101350780A (zh) * | 2008-08-25 | 2009-01-21 | 深圳市同方多媒体科技有限公司 | 一种实现网络共享的方法和系统 |
CN101488974A (zh) * | 2009-02-25 | 2009-07-22 | 深圳创维数字技术股份有限公司 | 一种p2p资源提供方法、系统及p2p目录服务器 |
CN102546728A (zh) * | 2010-12-27 | 2012-07-04 | 北大方正集团有限公司 | 一种对等网络资源下载方法 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11050837B2 (en) | 2019-01-31 | 2021-06-29 | Hewlett Packard Enterprise Development Lp | Providing cloud services associated with unused hardware resources of private cloud providers |
CN110830565A (zh) * | 2019-10-31 | 2020-02-21 | 北京奇艺世纪科技有限公司 | 资源下载方法、装置、系统、电子设备及存储介质 |
CN110830565B (zh) * | 2019-10-31 | 2023-04-18 | 北京奇艺世纪科技有限公司 | 资源下载方法、装置、系统、电子设备及存储介质 |
WO2021227999A1 (fr) * | 2020-05-11 | 2021-11-18 | 中兴通讯股份有限公司 | Système et procédé de service en nuage |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012057581A4 (fr) | Système d'infonuagique et son procédé de synchronisation de données | |
WO2018094809A1 (fr) | Procédé et appareil de partage de ressources | |
WO2017049984A1 (fr) | Procédé d'accès à un réseau sans fil et nœud d'accès sans fil | |
WO2014042415A1 (fr) | Système et procédé de service de stockage distribué intelligent | |
WO2019127973A1 (fr) | Procédé, système et dispositif d'authentification d'autorité pour référentiel de miroirs et support de stockage | |
WO2014185594A1 (fr) | Système et procédé à authentification unique dans un environnement vdi | |
WO2014069827A1 (fr) | Système et procédé pour fournir un service d'analyse de données dans un environnement en nuage | |
EP2702525A2 (fr) | Procédé et dispositif de fourniture de service drm | |
WO2014003516A1 (fr) | Procédé et appareil de fourniture de partage de données | |
WO2015133859A1 (fr) | Procédé et système d'établissement d'une connexion entre un dispositif chercheur et un dispositif cible | |
WO2016127315A1 (fr) | Procédé et appareil de partage de ressource pour un système en nuage privé | |
WO2013085217A1 (fr) | Système de gestion de la sécurité ayant de multiples serveurs de relais, et procédé de gestion de la sécurité | |
WO2014181970A1 (fr) | Procede et appareil de gestion de donnees d'application de terminal portable | |
WO2004100456A1 (fr) | Systeme et procede d'authentification inter-dispositifs, dispositif de communication et programme informatique | |
WO2016127317A1 (fr) | Procédé et appareil de partage de ressource pour un système en nuage privé | |
WO2017209467A1 (fr) | Procédé et appareil pour fournir un service de sécurité de données p2p dans un environnement iot | |
WO2009096738A2 (fr) | Procédé servant à assurer la sécurité de communications dans un réseau domestique et appareil associé | |
WO2018143510A1 (fr) | Module de sécurité de l'internet des objets | |
WO2016200232A1 (fr) | Système et procédé destinés à un serveur à distance en cas de défaillance d'un serveur de rétablissement | |
WO2019045424A1 (fr) | Procédé de déchiffrement de couche de prise de sécurité destinée à la sécurité | |
WO2013151376A1 (fr) | Système de sécurité utilisant un double os et procédé associé | |
JP5682932B2 (ja) | 制御サーバ、制御方法及び制御プログラム | |
WO2021242000A1 (fr) | Système de chargement et de traitement de données, et procédé associé | |
WO2016153119A1 (fr) | Procédé et système de gestion de données d'un service de partage de données fermé | |
WO2016127316A1 (fr) | Procédé et appareil de transmission de données pour un système de service en nuage de famille, et système de service en nuage de famille |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15881477 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 02/01/2018) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 15881477 Country of ref document: EP Kind code of ref document: A1 |