WO2006059476A1 - Système de partage de données, dispositif de contrôle de stockage de données de contenu de copie, etc. - Google Patents

Système de partage de données, dispositif de contrôle de stockage de données de contenu de copie, etc. Download PDF

Info

Publication number
WO2006059476A1
WO2006059476A1 PCT/JP2005/020811 JP2005020811W WO2006059476A1 WO 2006059476 A1 WO2006059476 A1 WO 2006059476A1 JP 2005020811 W JP2005020811 W JP 2005020811W WO 2006059476 A1 WO2006059476 A1 WO 2006059476A1
Authority
WO
WIPO (PCT)
Prior art keywords
content data
copy
node
node devices
storage control
Prior art date
Application number
PCT/JP2005/020811
Other languages
English (en)
Japanese (ja)
Inventor
Hiroaki Suzuki
Yoshihiko Hibino
Yuji Kiyohara
Kentaro Ushiyama
Koichi Iijima
Tomohiro Kudo
Osamu Tatebe
Yuetsu Kodama
Kazuyuki Shudo
Original Assignee
Brother Kogyo Kabushiki Kaisha
Xing Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brother Kogyo Kabushiki Kaisha, Xing Inc. filed Critical Brother Kogyo Kabushiki Kaisha
Publication of WO2006059476A1 publication Critical patent/WO2006059476A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1095—Replication or mirroring of data, e.g. scheduling or transport for data synchronisation between network nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/01—Protocols
    • H04L67/10—Protocols in which an application is distributed across nodes in the network
    • H04L67/1097—Protocols in which an application is distributed across nodes in the network for distributed storage of data in networks, e.g. transport arrangements for network file system [NFS], storage area networks [SAN] or network attached storage [NAS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/535—Tracking the activity of the user

Definitions

  • the present invention is a data sharing system including node devices such as a plurality of terminal devices connected to each other via a network such as the Internet, and replicates content data that can be used by the plurality of node devices
  • the present invention relates to a technical field such as a data sharing system in which the copied content data is stored in a node device with one or more powers.
  • NFS Network File system
  • a server is required to have a high-performance CPU (Central Processing Unit) capable of withstanding a high load and ⁇ (Input / Output) specifications, and is expensive. Management was also complicated and required a skilled administrator. In addition, if the communication between the client and the server is interrupted for some reason, the service for the client is stopped.
  • CPU Central Processing Unit
  • ⁇ Input / Output
  • an expensive server or a client required by a skilled administrator can freely join and leave the network (eg, power supply)
  • the peer-to-peer (P2P) model which can be turned on and off), is attracting attention. Examples are Napster and Gnutella, which are famous for music distribution.
  • Patent Document 1 refers to the overall size and number of replicas registered in each device participating in a service group.
  • a data sharing apparatus for creating and registering replicas so as to balance the entire network in the service group is disclosed.
  • Patent Document 1 Japanese Patent Laid-Open No. 2003-99337
  • the present invention has been made in view of the above problems and the like, and a data sharing system capable of holding an appropriate number of replicas of content data in each node device according to popularity, etc., and It is an object to provide a duplicate content data storage control device and the like. Means for solving the problem
  • a data sharing system including a plurality of node devices connected to each other via a network, the plurality of node devices.
  • a duplicate content data storage control device for controlling the storage of the duplicate content data in the data sharing system in which the duplicate content data obtained by duplicating the content data usable in is stored in any one or more of the node devices, Desired use number information acquisition means for acquiring desired use number information indicating the desired use number of the content data, and a copy number determination for determining the copy number of the content data based on the acquired desired use number information Means, a node selection means for selecting a number of node devices corresponding to the determined number of replicas, and a preceding node device for the selected node device.
  • Copy content data storage control means for transmitting storage request information indicating a storage request for the copy content data and storing the copy content data so as to be usable by the plurality of node devices.
  • the number of copies corresponding to the desired number of content data is determined, the number of node devices corresponding to the number of copies is selected, and the copy content data (replica data) is selected for the selected node device. ) Can be stored, so that each node device can hold an appropriate number of replicas of content data according to popularity. Therefore, since the processing amount of the node device is balanced, load concentration (access concentration) on a specific node device can be avoided.
  • the desired number-of-use information acquiring means is characterized in that the desired-number-of-use information is acquired by counting the desired-for-use information.
  • the use request information receiving unit receives the use request information only for a predetermined period.
  • the copy number determination means determines the copy number of the content data based on a ratio between the desired use number and the number of node devices participating in the data sharing system.
  • each node device can hold an optimal number of replicas of content data.
  • usage restriction means for restricting the use of the content data and its duplicate content data for a predetermined period to a node device other than the node device that has transmitted the usage request information.
  • the node selecting means selects the node device from among the node devices that have transmitted the use request information.
  • a data sharing system including a plurality of node devices connected to each other via a network, and content usable in the plurality of node devices.
  • a duplicate content data storage control device for controlling the storage of the duplicate content data in the data sharing system in which duplicate content data obtained by duplicating data is stored in any one or more of the node devices.
  • ratio information acquisition means for acquiring ratio information indicating a ratio according to information related to at least one of the attributes, and the number of copies of the content data based on the acquired ratio information
  • a replica number determining means for determining the number of node devices corresponding to the determined replica number
  • Sending means the storing request information for the previous SL selected node device indicating a storage request of the copy content data, use the copy content data from said plurality of node devices
  • a copy content data storage control means for enabling storage.
  • the number of copies is determined according to a ratio corresponding to information related to at least one of the popularity, value, and attribute of the content data, and the number of nodes corresponding to the number of copies is determined. Since the device is selected and the replicated content data (replica) is stored in the selected node device, the appropriate number of content data replicating power is assigned to each node device according to the degree of popularity. Can be retained. Therefore, since the processing amount of the node device is balanced, load concentration (access concentration) on a specific node device can be avoided.
  • the copy number determination means determines the number obtained by multiplying the number of node devices participating in the data sharing system by multiplying the ratio as the copy number of the content data.
  • each node device can hold an optimal number of replicas of content data in accordance with the degree of popularity or the like.
  • the duplicate content data storage control unit is connected in a tree shape while the plurality of node devices form a plurality of hierarchies.
  • the node device power of the upper layer constitutes a connection mode for sequentially transferring to the node device of the lower layer, and the storage request information including the connection mode information indicating the connection mode is included in the selected node It is characterized by being transmitted to the device.
  • each node device can hold a replica of content data more efficiently.
  • the node device receives the storage request information transmitted from the storage control device, according to the storage request information.
  • a copy content data storage unit is provided for acquiring the content data, creating the copy content data, and storing the copy content data so that the plurality of node devices can be used.
  • the node device transmits the use request information to the duplicate content data storage control device, After transmitting the use request information, the storage request information transmitted from the copy content data storage control device is received, the content data is acquired according to the storage request information, and the copy content data is created. And a copy content data storage unit for storing the content in a usable manner from the plurality of node devices.
  • the copy content data storage control device has the node that receives the storage request information including the connection mode information transmitted thereto.
  • Node device power that is connected as a higher layer of the own device Acquires the transmitted content data and applies it to the node device connected as the lower layer of the self according to the connection mode information Content data to be transferred, and a copy content data storage unit that creates copy content data of the acquired content data and stores the copy content data so that the plurality of node devices can be used.
  • a data sharing system including a plurality of node devices connected to each other via a network and used in the plurality of node devices.
  • duplicate content data obtained by duplicating possible content data is stored in any one or more of the node devices, and any one of the node devices is used to indicate a desired number of use of the content data.
  • the number-of-replication determining means for determining the number of copies of the content data based on the acquired number-of-use information, and the determined number of copies
  • Node selection means for selecting a corresponding number of node devices, and storage request information indicating a storage request for the duplicate content data for the selected node devices.
  • a storage request information transmitting means for receiving, the selected node device receives the transmitted storage request information, acquires the content data according to the storage request information, and copies the copied content
  • a copy content data storage unit that creates data and stores it in a usable manner from the plurality of node devices is provided.
  • a data sharing system including a plurality of node devices connected to each other via a network, Which content data is duplicated content data that can be used on the node device?
  • a copy content data storage control method in the data sharing system stored in one or more of the node devices wherein any one of the node devices obtains a desired usage number information indicating a desired usage number of the content data, A step of determining the number of copies of the content data based on the desired number-of-use information, and any one of the node devices selects a number of node devices corresponding to the determined number of copies; A step of transmitting storage request information indicating a request to store the content data to the selected node device; the selected node device receives the transmitted storage request information; and the storage request information Obtaining the content data, creating the duplicate content data, and storing the content data so that the plurality of node devices can be used; Characterized in that it comprises.
  • a data sharing system including a plurality of node devices connected to each other via a network is used in the plurality of node devices.
  • a computer that controls the storage of the replicated content data in the data sharing system in which the replicated content data copied from the possible content data is stored in any one or more of the node devices.
  • Desired usage number information acquisition means for acquiring desired usage number information indicating the desired number
  • a replication number determination means for determining the number of copies of the content data based on the acquired desired usage number information
  • the determined replication Node selection means for selecting a number of node devices corresponding to the number, and the duplicate content data for the selected node devices. Transmits the stored request information indicating a storage request, characterized in that to function the copy content data as copy content data storage control means for saving available from said plurality of node devices.
  • a data sharing system including a plurality of node devices connected to each other via a network is used in the plurality of node devices.
  • a computer that controls the storage of the replicated content data in the data sharing system in which the replicated content data is stored in any one or more of the node devices.
  • a ratio information acquisition means for acquiring ratio information indicating a ratio according to information related to at least one of a value and an attribute, and based on the acquired ratio information, a copy of the content data
  • a copy number determination means for determining the number of copies
  • a node selection means for selecting a number of node devices corresponding to the determined number of copies
  • a storage request for the copy content data to the selected node device It is characterized by transmitting storage request information and functioning as a copy content data storage control means for storing the copy content data in a usable manner from the plurality of node devices.
  • a computer included in the node device that receives the storage request information transmitted from the duplicate content data storage control device includes: According to the storage request 'information, the content data is acquired, the copy content data is created, and the copy content data is stored in a usable manner from the plurality of node devices. .
  • the copy content data storage control processing program or the copy content data storage processing program is recorded in a computer-readable manner.
  • the number of copies is determined according to the ratio according to the information related to the number of content data desired to be used or the popularity of the content data, and the number of node devices corresponding to the number of copies is selected.
  • each node device can hold an appropriate number of content data replicas according to the degree of popularity or the like. Can do. Therefore, since the processing amount of the node device is balanced, it is possible to avoid load concentration (access concentration) on a specific node device.
  • FIG. 1 is a diagram showing a schematic configuration example in a data sharing system according to the present embodiment.
  • FIG. 2 is a diagram showing a schematic configuration example of a terminal device 1 according to the present embodiment.
  • FIG. 3 (A) is a flowchart showing processing in the control unit 11 of the terminal device la for registering new content data, and (B) and (C) manage the pre-delivery content list.
  • 6 is a flowchart showing processing in the control unit 11 of the terminal device lp as a pre-delivery content list management device, and (D) is a diagram showing a flowchart in the control unit 11 of the terminal device lb that requests the pre-delivery content list.
  • (E) is a flowchart showing processing in the control unit 11 of the terminal device lq as a replica storage control device that controls the storage of replicas.
  • FIG. 6C is a flowchart showing processing in the control unit 11 of the terminal device lr as a content list management device that manages content lists.
  • FIG. 5 is a diagram illustrating an example of a connection mode for sequentially transferring content data from a terminal device 1 in an upper layer to a terminal device 1 in a lower layer.
  • FIG. 6 (A) is a flowchart showing processing in the control unit 11 of the terminal device la for registering new content data, and (B) and (C) are pre-distribution managing the pre-distribution content lists.
  • FIG. 7 is a flowchart showing processing in the control unit 11 of the terminal device lp as a content list management device, and (D) is a diagram showing a flowchart in the control unit 11 of the terminal device lb that requests a pre-delivery content list.
  • FIG. 7 (A) is a flowchart showing processing in the control unit 11 of the terminal device lb for creating and storing a replica, and (B) is a terminal device as a replica storage control device for controlling replica storage. (c) is a flowchart showing a process in the control unit 11 of the terminal device la that distributes newly registered content data, and (D) is a content. 10 is a flowchart showing processing in the control unit 11 of the terminal device lr as a content list management device for managing a list.
  • FIG. 8 (A) is a flowchart showing processing in the control unit 11 of the terminal device la that registers and distributes new content data, and (B) is a replica storage control device that controls storage of replicas. (C) is a flowchart showing the processing in the control unit 11 of the terminal device lb for creating and storing a replica, and (D) is the content Content list management for managing lists Flow chart showing processing in the control unit 11 of the terminal device lr as a device
  • FIG. 9 is a diagram showing an example of ratio information.
  • FIG. 1 is a diagram showing a schematic configuration example in the data sharing system according to the present embodiment.
  • the data sharing system S includes terminal devices la to lr as node devices. (These terminal devices are called terminal devices that participate in the data sharing system s.) These are peer-to-peer (P2P) that can be connected to each other via the Internet 2 as a network. ) Network system. Each terminal device is assigned a unique serial number and an IP (Internet Protocol) address. In the following description, when one or more terminal devices among the terminal devices la to lr are indicated, they may be referred to as “terminal device 1” for convenience.
  • P2P peer-to-peer
  • IP Internet Protocol
  • various content data that can be used by the plurality of terminal devices la to lr are distributed and stored in the plurality of terminal devices 1.
  • the terminal device la stores the content data of the movie with the title XXX
  • the terminal device lb stores the content data of the movie with the title YYY.
  • the copy content data (hereinafter referred to as "replica") that can be used by a plurality of terminal devices la to lr is one of one or more terminal devices 1
  • the appropriate number is stored. For example, content data newly stored in a certain terminal device 1 is distributed to another terminal device 1, where a replica is created and stored.
  • replicas are created for content data that is popular and frequently used (in other words, access frequency), and these replicas are stored in many terminal devices 1.
  • Such a replica desirably has the same data (file) configuration as the master content data and has the same quality.
  • the replica since the replica has the same quality as the master, there is no need for a master-slave relationship between the replica and the master. For example, even if the master is deleted, if a replica of the same content exists, the replica may be allowed to behave as the master thereafter.
  • each terminal device 1 is in the neighborhood (for example, the number of HOPs is (Predetermined number) of the IP addresses of the terminal devices 1 are recognized, and the content list is acquired by communicating with the neighboring terminal device 1 according to the IP address This will spread throughout the data sharing system s (that is, newly generated or updated content lists are transmitted in a passing format).
  • this content list for example, information about content data or replicas (for example, content ID (identification information), title, and IP address of the terminal device 1 that stores the content data or replica), etc., (Hereinafter referred to as “content information”).
  • At least one terminal device 1 among the terminal devices la to lr functions as a replica storage control device (replication content data storage control device) that controls storage of the replica in the data sharing system S.
  • at least one terminal device 1 functions as a content list management device for managing the content list! /.
  • any one of the terminal devices 1 is content data newly registered (saved) in the system S, that is, information related to content data before distribution (for example, content data content ID (identification information) ), Title, content, and IP address of the terminal device 1 that stores the content data), etc., hereinafter “pre-delivery content information”, etc.) Functions as a content list management device.
  • FIG. 2 is a diagram illustrating a schematic configuration example of the terminal device 1 according to the present embodiment.
  • a personal computer or a receiver with an STB can be applied.
  • a CPU having a calculation function, a working RAM, various data and ROM, etc., that stores the program
  • a noffer memory 13 for temporarily storing a replica
  • a decoder unit 14 for decoding (data decompression, decoding, etc.) encoded video data (video information) and audio data (audio information) included in the content data or replica
  • the video processing unit 15 that performs a predetermined drawing process on the decoded video data and outputs the video signal
  • the video processing unit 15 Display unit such as CRT or liquid crystal display that displays video based on the output video signal 1 6 and the audio processing unit 17 that converts the decoded audio data into an analog audio signal by D (Digital) / A (Analog) conversion, and then amplifies it by an amplifier, and outputs the audio data from the audio processing unit 17
  • a speaker 18 that outputs an audio signal as a sound wave
  • an encoder unit 19 that encodes video data, audio data, and the like included in content data or a replica, and other terminal devices 1 through the Internet 2
  • a communication unit 20 for communicating with the control
  • the CPU in the control unit 11 executes the program stored in the storage unit 12 or the like (including the duplicate content data storage control processing program and the duplicate content data storage processing program of the present invention), thereby the control unit 11 Controls transmission / reception of content data or replica, and playback output of content data or replica (that is, playback output through decoder unit 14, video processing unit 15, display unit 16, audio processing unit 17, and speaker 18) Furthermore, each process described below is performed to function as each means in the present invention (details of each means will be described later).
  • the program may be downloaded from a predetermined server on the Internet 2, for example, recorded on a recording medium such as a CD-ROM, and read via a drive of the recording medium. You may do it.
  • FIG. 3 (A) is a flowchart showing processing in the control unit 11 of the terminal device la that registers new content data.
  • FIGS. 3 (B) and 3 (C) manage the pre-delivery content list.
  • FIG. 3D is a flowchart showing processing in the control unit 11 of the terminal device lp as the pre-delivery content list management device
  • FIG. 3E is a flowchart showing processing in the control unit 11 of the terminal device lq as a replica storage control device that controls storage of replicas.
  • FIG. 4 (A) is a flowchart showing processing in the control unit 11 of the terminal device la that distributes newly registered content data
  • FIG. 4 (B) creates a replica
  • FIG. 4 (C) is a flowchart showing processing in the control unit 11 of the terminal device lr as a content list management device for managing the content list.
  • the control unit 11 stores new content data in the storage unit 12 in accordance with an instruction from the user via the input unit 21, for example. Save (register) (step S1), transmit the content information before distribution of the content data to the terminal device lp via the communication unit 20 and the Internet 2 (step S2), and terminate the processing.
  • all the terminal devices la to lr acquire the IP address of the terminal device lp as the pre-delivery content list management device in advance (for example, from the neighboring terminal device 1), Based on the IP address, the pre-delivery content information is sent to the terminal device lp.
  • control unit 11 of the terminal device lp receives the pre-delivery content information transmitted from the terminal device la in the process shown in FIG.
  • the previous content blueprint is added to the previous content list, that is, the previous content list is updated (step S4), and the process ends.
  • the control unit 11 performs list request information for requesting a pre-delivery content list, for example, according to an instruction from the user via the input unit 21. Is transmitted to the terminal device lp via the communication unit 20 and the Internet 2 (step S5), and is waited for reception (step S6).
  • control unit 11 of the terminal device lp performs the terminal device in the process shown in FIG.
  • the list request information that has also been transmitted is received (step S7), the pre-distribution content list is transmitted to the terminal device lb via the communication unit 20 and the Internet 2 (step S8), and the process ends. To do.
  • control unit 11 of the terminal device lb receives the pre-delivery content list transmitted from the terminal device lp (step S6: Y), and displays it on the display unit 16, for example, to display the user list. (Step S9) and prompts the user to enter whether or not he / she wants to use (view) the content data shown in the pre-delivery content list.
  • the control unit 11 of the terminal device lb determines whether or not the input is a force that the content data is desired to be used (step S 10 If the input is desired input (step S 10: Y), the usage request information indicating the desired use of the content data is transmitted to the terminal device lq via the communication unit 20 and the Internet 2 (step S 10: Y). S11) If the input is not desired to be used (step S10: N), the process is terminated without transmitting the desired usage information.
  • the IP address of the terminal device lq as the replica storage control device is described in, for example, the pre-delivery content list, and the terminal device lb can recognize the IP address of the terminal device lq. ing.
  • the use request information includes content information before distribution of the corresponding content data.
  • the control unit 11 of the terminal device lq receives (accepts) the use request information transmitted from the terminal device lb force in the process shown in FIG. (Step S12: Y), the IP address of the terminal device lb that has transmitted the use request information is used as a use request terminal list (generated and stored in the storage unit 12 for the content data indicated in the use request information). (Step S13).
  • control unit 11 of the terminal device lq determines whether or not a preset reception period (predetermined period: for example, one week) has elapsed (step S14). In other words, until the acceptance period elapses, use request information from a plurality of terminal devices 1 is received, and the number of terminal devices registered in the use request terminal list gradually increases.
  • a preset reception period for example, one week
  • step S14 Y
  • acceptance of the desired use information is terminated, and the control unit 11 uses the desired use information as means for obtaining desired use number information.
  • the desired use number of the content data is calculated and obtained as desired use number information (step S15).
  • control unit 11 of the terminal device lq selects a number of terminal devices corresponding to the determined number of replicas as node selection means (step S17). For example, the medium power of the terminal device 1 that transmitted the use request information The terminal devices 1 corresponding to the determined number of copies are selected at random, or selected in preference to those that transmitted the use request information earlier. .
  • the node selection means by the control unit 11 does not need to directly select a terminal device, but is node selection information such as a storage probability at which a copy of content data is stored in each terminal device. Also good.
  • the node selection information is transmitted to an arbitrary terminal device, and each terminal device that has received the node selection information autonomously determines from the node selection information whether or not the content data is stored. A terminal device that stores a copy of the content data is selected.
  • the control unit 11 of the terminal device lq connects the plurality of selected terminal devices 1 in a tree shape while forming a plurality of layers, and the content data is transmitted from the terminal device 1 in the upper layer to the lower layer.
  • a connection mode for sequentially transferring to the terminal device 1 is configured, and connection mode information indicating the connection mode is generated (step S18).
  • FIG. 5 is a diagram illustrating an example of a connection mode for sequentially transferring content data from the upper layer terminal apparatus 1 to the lower layer terminal apparatus 1.
  • the connection mode shown in the example of FIG. 5 is an overlay network configured on the premise of the actual network shown in FIG. 1, and specifies the distribution route of content data.
  • the control unit 11 of the terminal device lq serves as a replica content data storage control means for the plurality of selected terminal devices 1 (here, the terminal devices lb to lo are selected) to store replicas.
  • Distribution request information (including the generated connection mode information) and a blueprint indicating the size of the content data are distributed to the terminal device la storing the content data.
  • Distribution request information indicating the request (including the generated connection mode information) is transmitted via the communication unit 20 and the Internet 2 (step S 19), and the process is terminated.
  • the terminal device lq causes the terminal devices lb to lo to store the replicas so that they can be used from the plurality of terminal devices 1.
  • the control unit 11 of the terminal device lb uses the storage request transmitted from the terminal device lq in the process shown in FIG.
  • the information and the information indicating the size of the content data are received (step S21), and the content data or replica that has already been stored and saved until the free space of the content data size is secured (recorded date and time) ) Are deleted from the storage unit 12 in order (step S22).
  • the control unit 11 of the terminal device la receives the distribution request information transmitted from the terminal device lq in the process shown in FIG. 4 (A) (step S31), and the connection mode included in this According to the information, distribution of the newly registered content data is started to the terminal device 1 (step S32). For example, as shown in FIG. 5, the content data is distributed (transmitted) to the terminal devices lb and lc connected immediately below the terminal device la. It becomes.
  • the control unit 11 of the terminal device lb uses the content of the terminal device la (terminal device connected as its own upper layer) in the process shown in FIG. 4B. Is received (Step S23: Y), acquired, and stored as a copy content data storage means in the notch memory 13, and the replica can be created and used from multiple node devices 1. It is stored and saved in the storage unit 12 so as to become (step S24).
  • control unit 11 of the terminal device lb serves as content data transfer means for connecting the content data stored in the buffer memory 13 as its lower hierarchy according to the connection mode information. Transfer (send) to e (step S 25), and terminate the process.
  • the content data distributed from the terminal device la is sequentially transferred from the upper layer terminal device 1 to the lower layer terminal device 1 according to the connection mode information, and in each terminal device 1 that has received the content data.
  • a replica is created and stored so that it can be used from a plurality of terminal devices 1.
  • step S33: Y when the control unit 11 of the terminal device la determines that the distribution of the content data is completed in the process shown in FIG. 4A (step S33: Y), the content information (for example, the content ID (identification information), the title, and the content data or replica (for example, including the IP addresses of the terminal devices la to lo) are transmitted to the terminal device lr via the communication unit 20 and the Internet 2 ( In step S34), the process is terminated.
  • the content information For example, the content ID (identification information), the title, and the content data or replica (for example, including the IP addresses of the terminal devices la to lo) are transmitted to the terminal device lr via the communication unit 20 and the Internet 2 ( In step S34), the process is terminated.
  • the terminal device la acquires the IP address of the terminal device lr as the content list management device in advance (for example, from the neighboring terminal device 1), and based on the IP address Content information is transmitted to the terminal device lr.
  • control unit 11 of the terminal device lr receives the content information transmitted from the terminal device la in the process shown in FIG. 4C (step S41), and the content information Is added to the content list, that is, the content list is updated (step S42), and the process is terminated.
  • the number of copies corresponding to the desired number of content data is determined, the number of terminal devices 1 corresponding to the number of copies is selected, Since the plurality of selected terminal devices 1 are configured to store replicas, it is possible to cause each terminal device 1 to hold an appropriate number of replicas of content data according to the degree of popularity and the like. Therefore, since the processing amount of each terminal device 1 is balanced, load concentration (access concentration) on a specific terminal device 1 can be avoided.
  • the entire data sharing system S The optimal number of replicas can be created and saved.
  • the replica is created and stored.
  • Each terminal device 1 can hold a replica of content data more efficiently.
  • This second embodiment is basically the same as the first embodiment, and is an embodiment that focuses on the prior delivery of force content data.
  • FIG. 6 (A) is a flowchart showing processing in the control unit 11 of the terminal device la for registering new content data
  • FIGS. 6 (B) and 6 (C) manage the pre-delivery content list
  • FIG. 6D is a flowchart showing processing in the control unit 11 of the terminal device lp as the pre-delivery content list management device
  • FIG. 6D is a diagram showing a flowchart in the control unit 11 of the terminal device lb that requests the pre-delivery content list. is there.
  • FIG. 7A is a flowchart showing processing in the control unit 11 of the terminal device lb that creates and stores a replica
  • FIG. 7B is a replica storage that controls storage of the replica
  • FIG. 7C is a flowchart showing processing in the control unit 11 of the terminal device la that distributes newly registered content data
  • FIG. 7C is a flowchart showing processing in the control unit 11 of the terminal device lq as the control device.
  • Figure 7 (D) manages the content list 10 is a flowchart showing processing in a control unit 11 of a terminal device lr as a content list management device.
  • FIGS. 6A to 6C are the same as the processes shown in FIGS. 3A to 3C in the first embodiment. Therefore, the explanation is omitted.
  • the control unit 11 sends, for example, list request information for requesting a pre-distribution content list in accordance with an instruction from the user via the input unit 21. And the terminal device lp is transmitted to the terminal device lp via the Internet 2 (step S55). On the other hand, the pre-delivery content list to which the terminal device lp force has also been transmitted is received (step S56), and the processing is terminated.
  • the pre-delivery content information described in the pre-delivery content list describes the pre-delivery date and time of the content data, and the pre-delivery date and time of the pre-delivery content date.
  • the process shown in FIG. 7A is started in the terminal device lb, and the pre-delivery content list is displayed on the display unit 16 for example and presented to the user (step S59). Prompts the user whether to use (view) the content data shown in the content list.
  • the control unit 11 of the terminal device lb determines whether or not the input is a force that desires to use the content data (step S60).
  • step S60: Y If the input is a request for use (step S60: Y), use request information indicating the use of the content data is transmitted to the terminal device lq via the communication unit 20 and the Internet 2 (step S61). ), Waiting to receive storage request information (step S71). On the other hand, if the input is not desired to be used (step S60: N), the processing is terminated without transmitting the usage request information.
  • control unit 11 of the terminal device lq receives (accepts) the use request information transmitted from the terminal device lb force as the use request information receiving means in the process shown in FIG. 7 (B). ) And (step S62), the IP address of the terminal device lb that transmitted the use request information is registered in the use request terminal list (step S63).
  • the control unit 11 of the terminal device lq determines whether or not the predecessor delivery date / time set in advance is reached. Is determined (step S64). In other words, the terminal device lq waits until the date and time of the prior delivery of the content data, and during this time, the use request information from the plurality of terminal devices 1 is accepted and gradually registered in the use terminal list. The number of terminal devices to be increased will increase.
  • step S64: Y the acceptance of the desired use information is terminated, and, as in the first embodiment, the control unit 11 serves as a desired use number information obtaining unit.
  • the desired number of use of the content data by totaling the above-mentioned desired use information (that is, totaling the number of IP addresses registered in the desired terminal list), and obtain this as the desired number of use information ( Step S65).
  • control unit 11 of the terminal device lq determines the number of copies of the content data (for example, the number of copies equal to the desired number of uses) based on the acquired desired number of uses information as a copy number determination means. (Step S66). Note that the method for determining the number of copies of content data is the same as in the first embodiment.
  • control unit 11 of the terminal device lq selects a number of terminal devices corresponding to the determined number of replicas as a node selection unit (step S67).
  • control unit 11 of the terminal device lq connects the plurality of selected terminal devices 1 in a tree shape while forming a plurality of hierarchies, and the content data of the upper layer A connection mode for sequentially transferring from the terminal device 1 to the lower-layer terminal device 1 is configured, and connection mode information indicating the connection mode is generated (step S68).
  • the control unit 11 of the terminal device lq serves as a copy content data storage control unit, and stores a storage request indicating a replica storage request to the plurality of selected terminal devices 1.
  • Information (including the generated connection mode information) and information indicating the size of the content data, indicating the distribution request of the content data to the terminal device la that stores the content data!
  • the distribution request information (including the generated connection mode information) is transmitted via the communication unit 20 and the Internet 2 (step S69), and the process ends.
  • the distribution request information includes content data and its replica for terminal devices 1 other than the terminal device 1 that transmitted the usage request information (particularly, the terminal device 1 that creates a replica). Therefore, the control unit 11 of the terminal device lq uses the usage restriction period, the content data, and the use of the replica thereof as a usage restriction means. Viewing) will be restricted.
  • the control unit 11 of the terminal device lb uses the terminal device lq in the process shown in FIG. 7A as in the first embodiment.
  • the storage request information and the information indicating the size of the content data transmitted from step S71 are received (step S71), and the content data or replica that has been stored and stored until the free space of the content data size is secured.
  • the control unit 11 of the terminal device la receives the distribution request information transmitted from the terminal device lq in the process shown in FIG. 7C (step S81), as in the first embodiment.
  • Pre-delivery of the newly registered content data is started to the terminal device 1 in accordance with the connection mode information included therein (step S82).
  • the content data is distributed (transmitted) to the terminal devices lb and lc connected immediately below the terminal device la by, for example, the streaming method.
  • the control unit 11 of the terminal device lb uses the content data distributed in the terminal device la (terminal device connected as its own upper layer) in the process shown in FIG. Is received (step S73), acquired and stored in the buffer memory 13 while the content data is transmitted through the decoder unit 14, the video processing unit 15, the display unit 16, the audio processing unit 17 and the speaker 18. Then, the replica is created as a copy content data storage means, and stored in the storage unit 12 so as to be usable from the plurality of node devices 1 (step S 74).
  • the control unit 11 of the terminal device lb uses the content data stored in the buffer memory 13 as a content data transfer unit according to the connection mode information. Are transferred (transmitted) to the node devices d and e connected as (step S75), and the process ends.
  • the content data distributed in advance from the terminal device la is sequentially transferred from the upper layer terminal device 1 to the lower layer terminal device 1 according to the connection mode information, and each terminal that has received the content data.
  • a replica is created and stored in a usable manner from a plurality of terminal devices 1.
  • step S83: Y when the control unit 11 of the terminal device la determines that the preceding distribution of the content data has been completed in the process shown in FIG. 7C (step S83: Y), the use included in the distribution request information is used. It is determined whether or not a limited period (for example, one week) has elapsed (step S84). If the usage limit period has elapsed (step S84: Y), the content of the content data that has been pre-delivered. Information (for example, content ID (identification information), title, and content data or replicas including the IP addresses of the terminal devices la to lo, etc.) is transmitted to the terminal device lr via the communication unit 20 and the Internet 2. (Step S85), the process is terminated.
  • a limited period for example, one week
  • Information for example, content ID (identification information), title, and content data or replicas including the IP addresses of the terminal devices la to lo, etc.
  • the usage restriction period may be an arbitrary power.
  • the usage restriction period may be set (changes) according to information such as popularity, value, and attribute of content data.
  • control unit 11 of the terminal device lr receives the content information transmitted from the terminal device la in the process shown in FIG. 7D (step S91), and the content information The content list is updated based on (Step S92), and the process ends.
  • the advance delivery is desired. Since the replica is stored in the terminal device 1 to be used and the terminal device 1 other than the terminal device 1 is configured to restrict the use (viewing) of the content data and its replica, the use value of the preceding distribution is increased. In addition, the accuracy as an index for measuring the popularity of content data can be improved.
  • the number of copies of content data is determined based on ratio information indicating a ratio according to information related to at least one of popularity, value, and attribute of the content data.
  • FIG. 8 (A) is a flowchart showing processing in the control unit 11 of the terminal device la that registers and distributes new content data
  • FIG. 8 (B) is a replica that controls the storage of replicas
  • FIG. 8C is a flowchart showing processing in the control unit 11 of the terminal device lb that creates and stores a replica
  • FIG. 8D is a flowchart showing processing in the control unit 11 of the terminal device lr as a content list management device for managing the content list.
  • the control unit 11 for example, in accordance with an instruction from the user via the input unit 21, new content data and the content data. Is stored and saved (registered) in the storage unit 12 (step S101).
  • FIGS. 9A and 9B are diagrams showing an example of the ratio information.
  • the distribution revenue of content data moving content
  • the proportion 51 according to the distribution revenue are shown, and the distribution revenue is high.
  • the ratio is getting bigger.
  • the audience rating of content data TV program content
  • the ratio 52 corresponding to the audience rating are shown. The higher the audience rating, the greater the percentage.
  • control unit 11 of the terminal device la transmits the ratio information of the registered content data to the terminal device lq via the communication unit 20 and the Internet 2 (step S102), and the distribution request information Waiting for reception (step S121).
  • the control unit 11 of the terminal apparatus lq receives the ratio information of the content data transmitted from the terminal apparatus la in the process shown in FIG. S103), this is obtained, and the number of copies of the content data is determined based on the ratio information as copy number determination means (step S104). For example, the above-mentioned percentage is divided into the number of participation of terminal device 1 participating in data sharing system S (for example, 1,000,000 units). The number (eg, 400,000) obtained by multiplying the ratio indicated by the combined information (for example, the ratio “0.4” shown in FIG. 9A) is determined as the number of copies of the content data. In other words, content data with a higher ratio will create more replicas. This power / ratio information can be combined with usage frequency prediction information! /.
  • the ratio information is not limited to this, and various other parameters can be considered. For example, it may be information related to a combination of popularity, value, and attributes. Examples of information related to the value of content data include the price of the content data itself and the expert evaluation index. Examples of information related to the attribute of content data include the genre of content data (for example, sports, drama, movie, music, variety, etc.).
  • the control unit 11 of the terminal device lq selects a number of terminal devices corresponding to the determined number of replicas as node selection means (step S105). For example, among the terminal devices 1 participating in the data sharing system S, the terminal devices 1 corresponding to the determined number of copies are randomly selected. It is assumed that the terminal device lq recognizes the IP address of the terminal device 1 participating in the data sharing system S.
  • control unit 11 of the terminal device lq connects the plurality of selected terminal devices 1 in a tree shape while forming a plurality of hierarchies, and the content data of the upper layer A connection mode for sequentially transferring from the terminal device 1 to the lower-layer terminal device 1 is configured, and connection mode information indicating the connection mode is generated (step S106).
  • control unit 11 of the terminal device lq serves as copy content data storage control means, storage request information indicating a replica storage request to the plurality of selected terminal devices 1 (the generated connection mode). Information) and distribution request information indicating the content data distribution request to the terminal device la storing the content data (the generated connection mode information is Are included) via the communication unit 20 and the Internet 2 (step S107), and the process is terminated.
  • control unit 11 of the terminal device lb indicates the size of the storage request information and the content data transmitted from the terminal device lq in the process shown in FIG. 8C.
  • Information is received (step S108). Note that the processing in steps S109 to S112 shown in FIG. 8C is the same as the processing in steps S22 to S25 shown in FIG. 4B in the first embodiment, and therefore redundant description is omitted.
  • the control unit 11 of the terminal device la receives the distribution request information transmitted from the terminal device lq in the process shown in FIG. 8A (step S121).
  • the processing in steps S122 to S124 shown in FIG. 8 (A) is the same as the processing in steps S32 to S34 shown in FIG. 4 (A) in the first embodiment, and a duplicate description will be omitted.
  • the processing in steps S131 and S132 shown in FIG. 8D is the same as the processing in steps S41 and S42 shown in FIG.
  • the ratio according to information related to at least one of popularity, value, and attribute of content data (for example, distribution revenue, viewing, etc.)
  • the number of replicas corresponding to the number of replicas is determined, the number of terminal devices 1 corresponding to the number of replicas is selected, and the selected terminal device 1 is configured to store replicas. Accordingly, it is possible to maintain an appropriate number of replicas of content data in each node device. Therefore, since the processing amount of each terminal device 1 is balanced, load concentration (access concentration) on a specific terminal device 1 can be avoided.
  • the present invention is not limited to the above embodiment.
  • the above embodiment is merely an example, and the present invention has the same configuration as the technical idea described in the claims of the present invention, and any device that exhibits the same function and effect is the present invention. It is included in the technical scope of the invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Hardware Design (AREA)
  • General Engineering & Computer Science (AREA)
  • Information Transfer Between Computers (AREA)
  • Computer And Data Communications (AREA)
  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

L’invention concerne un système de partage de données, un dispositif de contrôle de stockage de données de contenu de copie, et autres, capable de contenir un nombre approprié de répliques de données de contenu dans chaque dispositif de nœud selon la popularité. Le système de partage de données comporte une pluralité de dispositifs de nœuds connectés l’un à l’autre par le biais d’un réseau. Les données de contenu de copie obtenues en copiant les données de contenu que l’on peut utiliser dans la pluralité de dispositifs de nœuds à partir de l’un des dispositifs de nœuds sont rangées dans au moins l’un des dispositifs de nœuds. Le dispositif de contrôle de stockage de données de contenu de copie contrôle le stockage des données de contenu de copie. Le dispositif de contrôle de stockage de données de contenu de copie comprend : moyen d’acquisition d’informations sur le nombre d’utilisations désirées permettant d’acquérir les informations sur le nombre d’utilisations indiquant le nombre d’utilisations désirées des données de contenu; un moyen de décision de nombre de copies permettant de décider le nombre de copies des données de contenu selon les informations de nombre d’utilisations désirées acquises ; un moyen de sélection de nœud permettant de sélectionner le nombre de dispositifs de nœud correspondant au nombre de copies décidé ; et un moyen de contrôle de stockage de contenu permettant de transmettre des informations de demande de stockage indiquant une demande en vue de stocker les données de contenu de copie sur le dispositif de nœud sélectionné de sorte que les données de contenu de copie sont stockées de façon à pouvoir les utiliser à partir de la pluralité de dispositifs de nœuds.
PCT/JP2005/020811 2004-12-01 2005-11-14 Système de partage de données, dispositif de contrôle de stockage de données de contenu de copie, etc. WO2006059476A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2004-348602 2004-12-01
JP2004348602A JP4586203B2 (ja) 2004-12-01 2004-12-01 データ共有システム、及び複製コンテンツデータ保存制御装置等

Publications (1)

Publication Number Publication Date
WO2006059476A1 true WO2006059476A1 (fr) 2006-06-08

Family

ID=36564911

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2005/020811 WO2006059476A1 (fr) 2004-12-01 2005-11-14 Système de partage de données, dispositif de contrôle de stockage de données de contenu de copie, etc.

Country Status (2)

Country Link
JP (1) JP4586203B2 (fr)
WO (1) WO2006059476A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010146067A (ja) * 2008-12-16 2010-07-01 Fujitsu Ltd データ処理プログラム、サーバ装置およびデータ処理方法
EP2532137A1 (fr) * 2010-02-05 2012-12-12 Telefonaktiebolaget L M Ericsson (PUBL) Procédé et entité de n ud pour amélioration de réseau de distribution de contenu
US9473743B2 (en) 2007-12-11 2016-10-18 Thomson Licensing Device and method for optimizing access to contents by users

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008035337A (ja) * 2006-07-31 2008-02-14 Brother Ind Ltd ノード装置、配信装置、管理装置、情報処理プログラム、コンテンツ配信方法及びコンテンツ配信システム
JP4702314B2 (ja) * 2007-03-23 2011-06-15 ブラザー工業株式会社 コンテンツ分散保存システム、ノード装置、ノード処理プログラム、及びコンテンツデータ取得方法
EP2249550A1 (fr) * 2009-05-04 2010-11-10 Thomson Licensing Dispositif et procédé pour contrôler la dissémination de contenu entre postes dotés de capacités sans fil, en fonction des réactions d'impatience
JP5272927B2 (ja) * 2009-06-29 2013-08-28 ブラザー工業株式会社 ノード装置、プログラム及び分散保存方法
WO2011027648A1 (fr) * 2009-09-02 2011-03-10 日本電気株式会社 Dispositif, système et procédé de fourniture de données, et programme d'ordinateur
KR20140009391A (ko) 2011-03-21 2014-01-22 톰슨 라이센싱 데이터 복제
JP5494550B2 (ja) * 2011-04-15 2014-05-14 ブラザー工業株式会社 管理装置、管理システム、管理方法及び管理プログラム
JP2020123188A (ja) 2019-01-31 2020-08-13 富士通株式会社 通信装置、通信プログラム、および通信方法
CN112286441A (zh) * 2019-07-24 2021-01-29 伊姆西Ip控股有限责任公司 提供视觉表示的方法、设备和计算机介质

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003030087A (ja) * 2001-07-17 2003-01-31 Fujitsu Ltd コンテンツ配信ネットワークシステム
WO2003069437A2 (fr) * 2002-02-14 2003-08-21 Savvis, Inc. Replication et livraison d'objets controles

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004005309A (ja) * 2002-06-03 2004-01-08 Matsushita Electric Ind Co Ltd コンテンツ配信システムおよびそれに関する方法または記録媒体またはプログラム

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003030087A (ja) * 2001-07-17 2003-01-31 Fujitsu Ltd コンテンツ配信ネットワークシステム
WO2003069437A2 (fr) * 2002-02-14 2003-08-21 Savvis, Inc. Replication et livraison d'objets controles

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SIGIMOTO ET AL: "An Information Drift System for Contest Based Network.", THE INSTITUTE OF ELECTRONICS, INFORMATION AND COMMUNICATION ENGINEERS., vol. 101, no. 715, 8 March 2002 (2002-03-08), pages 87 - 94, XP002997107 *

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9473743B2 (en) 2007-12-11 2016-10-18 Thomson Licensing Device and method for optimizing access to contents by users
JP2010146067A (ja) * 2008-12-16 2010-07-01 Fujitsu Ltd データ処理プログラム、サーバ装置およびデータ処理方法
EP2532137A1 (fr) * 2010-02-05 2012-12-12 Telefonaktiebolaget L M Ericsson (PUBL) Procédé et entité de n ud pour amélioration de réseau de distribution de contenu
EP2532137A4 (fr) * 2010-02-05 2014-04-23 Ericsson Telefon Ab L M Procédé et entité de n ud pour amélioration de réseau de distribution de contenu
US8949533B2 (en) 2010-02-05 2015-02-03 Telefonaktiebolaget L M Ericsson (Publ) Method and node entity for enhancing content delivery network
US9692849B2 (en) 2010-02-05 2017-06-27 Telefonaktiebolaget Lm Ericsson (Publ) Method and node entity for enhancing content delivery network

Also Published As

Publication number Publication date
JP4586203B2 (ja) 2010-11-24
JP2006155486A (ja) 2006-06-15

Similar Documents

Publication Publication Date Title
WO2006059476A1 (fr) Système de partage de données, dispositif de contrôle de stockage de données de contenu de copie, etc.
JP4640307B2 (ja) コンテンツ配信システム、コンテンツ配信方法、コンテンツ配信システムにおける端末装置及びそのプログラム
AU2003262470B2 (en) Peer-to-peer content broadcast transfer mechanism
TWI222287B (en) Scalable resource discovery and reconfiguration for distributed computer networks
JP4830889B2 (ja) 情報配信システム、情報配信方法及びノード装置等
JP4473942B2 (ja) コンテンツ配信装置、コンテンツ配信方法、及びコンテンツ配信プログラム
WO2008026400A1 (fr) Système de distribution de contenu, procédé de traitement d'information dans un système de distribution de contenu, dispositif terminal et support d'enregistrement incorporant son programme enregistré
JP2008129694A (ja) 情報配信システム、情報配信方法、配信装置及びノード装置等
WO2008013036A1 (fr) Dispositif de nœud, support d'enregistrement contenant un programme de traitement d'informations, procédé de distribution de contenu et système de distribution de contenu
JP2006101277A (ja) 情報通信システム、ノード装置、及びオーバーレイネットワーク形成方法等
JP5532649B2 (ja) ノード装置、ノード処理プログラム及びコンテンツ保存方法
WO2007145078A1 (fr) Système de distribution de contenu, procédé de distribution de contenu, dispositif de terminal et support d'enregistrement avec son programme enregistré dessus
JP5263201B2 (ja) カラオケシステム、カラオケ装置、リモコン、通信方法
JP4797679B2 (ja) コンテンツ配信システム、コンテンツデータ管理装置及びその情報処理方法並びにそのプログラム
JP2010066930A (ja) コンテンツ分散保存システム、コンテンツ保存方法、ノード装置、及びノード処理プログラム
JP5257001B2 (ja) ノード装置、ノード処理プログラム及び利用状況管理方法
JP2009232272A (ja) コンテンツ分散保存システム、コンテンツ再生方法、ノード装置、管理装置、ノード処理プログラム、及び管理処理プログラム
JP5287059B2 (ja) ノード装置、ノード処理プログラム及び保存指示方法
JP5206719B2 (ja) カラオケネットワークシステム及び集中管理装置
JP5007624B2 (ja) コンテンツ分散保存システム、コンテンツデータ取得方法、ノード装置、及びノード処理プログラム
JP5347876B2 (ja) 情報通信システム、ノード装置、コンテンツ取得方法及びプログラム
JP2009129161A (ja) コンテンツ分散保存システム、コンテンツ評価値決定方法、配信装置、及び配信処理プログラム
JP2009080546A (ja) コンテンツ分散保存システム、複製データ保存数集計方法、ノード装置、及びノード処理プログラム
JP2012078903A (ja) ノード装置、ノード装置用プログラムおよび情報処理方法
JP2010067073A (ja) 保存指示装置、ノード装置、及び保存指示処理プログラム、ノード処理プログラム及び保存指示方法

Legal Events

Date Code Title Description
AK Designated states

Kind code of ref document: A1

Designated state(s): AE AG AL AM AT AU AZ BA BB BG BR BW BY BZ CA CH CN CO CR CU CZ DE DK DM DZ EC EE EG ES FI GB GD GE GH GM HR HU ID IL IN IS KE KG KM KN KP KR KZ LC LK LR LS LT LU LV LY MA MD MG MK MN MW MX MZ NA NG NI NO NZ OM PG PH PL PT RO RU SC SD SE SG SK SL SM SY TJ TM TN TR TT TZ UA UG US UZ VC VN YU ZA ZM ZW

AL Designated countries for regional patents

Kind code of ref document: A1

Designated state(s): BW GH GM KE LS MW MZ NA SD SL SZ TZ UG ZM ZW AM AZ BY KG KZ MD RU TJ TM AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LT LU LV MC NL PL PT RO SE SI SK TR BF BJ CF CG CI CM GA GN GQ GW ML MR NE SN TD TG

121 Ep: the epo has been informed by wipo that ep was designated in this application
NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 05806310

Country of ref document: EP

Kind code of ref document: A1

WWW Wipo information: withdrawn in national office

Ref document number: 5806310

Country of ref document: EP