WO2008134953A1 - Procédé de stockage, de lecture et de transmission de données, et serveur de gestion et nœud de réseau - Google Patents

Procédé de stockage, de lecture et de transmission de données, et serveur de gestion et nœud de réseau Download PDF

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Publication number
WO2008134953A1
WO2008134953A1 PCT/CN2008/070703 CN2008070703W WO2008134953A1 WO 2008134953 A1 WO2008134953 A1 WO 2008134953A1 CN 2008070703 W CN2008070703 W CN 2008070703W WO 2008134953 A1 WO2008134953 A1 WO 2008134953A1
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WO
WIPO (PCT)
Prior art keywords
data
storage
address
node
storage space
Prior art date
Application number
PCT/CN2008/070703
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English (en)
Chinese (zh)
Inventor
Yi Yang
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008134953A1 publication Critical patent/WO2008134953A1/fr

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/54—Interprogram communication
    • G06F9/544—Buffers; Shared memory; Pipes
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00—Arrangements for program control, e.g. control units
    • G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46—Multiprogramming arrangements
    • G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
    • G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
    • G06F9/5011—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals
    • G06F9/5016—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resources being hardware resources other than CPUs, Servers and Terminals the resource being the memory

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a data storage, reading, and transmission method, and a management server and a network node.
  • the data transmitted on the network is not limited to simple data such as text content, and more and more multimedia data with rich content and expression forms, such as: audio, video , pictures, business documents, etc.
  • the first node receives the message data destined for the second node, and then stores the data
  • the first node then forwards the message to the second node over the switched network.
  • the switching network described herein may be an existing local area network (LAN) or other network.
  • LAN local area network
  • the first node receives the message data destined for the second node, and sends the message data to the database support node through the switching network;
  • the database support node stores the data in a database
  • the second node sends a read request to the database support node
  • the database support node then retrieves data from the database and sends the data to the second node over the switched network.
  • the existing two methods for exchanging message data the data is transferred between nodes, and the data is directly transmitted
  • data transmitted over the network is increasing, such as video data, audio data or commercial files.
  • the existing network node adopts a store-and-forward mechanism, which causes a huge burden on the data exchange network, and also greatly occupies the transmission resources of the network and reduces the service quality of the network.
  • the embodiment of the invention provides a data storage, reading and transmission method, a management server and a network node, which can reduce the burden of the switching network and improve the service quality of the network.
  • a data storage method provided by an embodiment of the present invention includes: receiving a data storage request sent by a node; allocating a storage space for the data in a shared storage area, and returning an address of the storage space to the node, Having the node store the data in the shared storage area in accordance with the address.
  • a method for data reading according to an embodiment of the present invention includes: obtaining an address of a storage space of a data to be read in a shared storage area; and reading the data from the shared storage area according to an address of the storage space.
  • a data transmission method provided by an embodiment of the present invention includes: a management server receiving a data storage request sent by a first node; the management server allocates a storage space for the data in a shared storage area, and the address of the storage space Returning to the first node; the first node stores the data in the shared storage area according to the address; and the second node obtains an address of the storage space of the data in the shared storage area;
  • the management server provided by the embodiment of the present invention includes: a storage request receiving unit, configured to receive a data storage request sent by the node; and a storage space allocation unit, configured to allocate a storage space for the data in the shared storage area; a unit, configured to return an address of the storage space to the node.
  • the second node reads the data from the shared storage area according to the address of the storage space.
  • a network node provided by the implementation of the present invention includes: a data storage request unit, configured to send a data storage request to the management server; and an address receiving unit, configured to receive, by the management server, the storage allocated for the data in the shared storage area An address of the space; a data storage execution unit, configured to store the data in the shared storage area according to an address received by the address receiving unit.
  • a network node includes: a storage address obtaining unit, configured to obtain an address of a storage space of a data to be read in a shared storage area; and a data reading unit configured to follow an address of the storage space The shared storage area reads the data.
  • a communication system provided by the embodiment of the present invention includes: a management server, a first node, where: the management server is configured to receive a data storage request sent by the first node, and allocate a storage space for the data in the shared storage area. Returning the address of the storage space to the first node; a node, configured to send a data storage request to the management server, and store the data in the shared storage area according to an address of a storage space allocated by the management server.
  • the first management server receives the data storage request sent by the first node, allocates a storage space for the data in the shared storage area, and returns the address of the storage space to the a first node; the first node stores the data in the shared storage area according to the address; the second node acquires a storage address of the data in a shared storage area; and stores the shared address according to the storage address
  • the area reads the data and implements data transfer from the first node to the second node.
  • the node directly writes data and reads data to the shared storage area, thereby avoiding the huge burden caused by the exchange network between the nodes in the prior art for large data transmission, and reducing the exchange network.
  • the consumption of transmission resources improves the quality of service of the network.
  • FIG. 1 is a flow chart of a method for data storage in an embodiment of the present invention
  • FIG. 2 is a flow chart of a method for reading data according to an embodiment of the present invention
  • FIG. 3 is a flow chart of another method of data reading in an embodiment of the present invention.
  • FIG. 5 is a flowchart of another method for data transmission according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of a logical structure of a management server according to an embodiment of the present invention.
  • FIG. 7 is a schematic diagram of a logical structure of another management server according to an embodiment of the present invention.
  • FIG. 8 is a schematic diagram of a logical structure of a network node according to an embodiment of the present invention.
  • FIG. 9 is a schematic diagram of a logical structure of another network node according to an embodiment of the present invention.
  • FIG. 10 is a schematic diagram showing the logical structure of another network node according to an embodiment of the present invention.
  • FIG. 11 is a schematic diagram showing the logical structure of another network node according to an embodiment of the present invention.
  • FIG. 12 is a schematic diagram showing the logical structure of a system of a communication system according to an embodiment of the present invention.
  • the embodiments of the present invention provide a data storage, reading, and transmission method, a management server, and a network node, which can avoid the huge burden caused by large data transmission to the network through the switching network between nodes in the prior art, and reduce the transmission of the switching network.
  • the consumption of resources improves the quality of service of the network.
  • a data storage method includes:
  • Step 101 The management server receives a data storage request sent by the node.
  • the node may be a network device for data transmission, exchange, or processing, such as a workstation, computer, server, or the like.
  • the data storage request sent by the node may include the size of the data.
  • Step 102 The management server allocates a storage space for the data in a shared storage area, and returns an address of the storage space to the node.
  • the management server may allocate a storage space for the data in the shared storage area according to the size of the data. It can be understood that the management server may not divide the data storage space according to the size of the data, that is, allocate a fixed storage space for each data, and the specific storage space division manner does not constitute a limitation of the present invention.
  • the management server may further include:
  • the management server allocates a storage identifier for the data, and records a correspondence between the storage identifier and an address of the storage space.
  • the storage identifier herein may be used to identify the uniqueness of the data in the network. If the management server changes the address of the storage space allocated by the data in the shared storage area, the correspondence between the storage identifier and the address of the storage space is updated. When the node reads the data through the storage identifier, the correctness of the read data can be guaranteed.
  • the management server is a network entity that performs storage management on the shared storage area.
  • Step 103 The node stores the data into the shared storage area according to the address.
  • the node and the shared storage area may be connected through a dedicated data transmission channel; the node stores the data in the shared storage area through the dedicated data transmission channel, where the dedicated data transmission channel may be: optical fiber data Transmission channel or small computer system interface ( Small Computer
  • the shared storage area may store data in a block storage manner, or may store data in a file system manner or a database manner, as long as the storage area can support connection with multiple nodes, and each Nodes can share the contents of the storage area.
  • the node obtains the address of the storage space in the shared storage area allocated by the management server for the data to be stored, and stores the data in the management server according to the allocated address to implement data storage, and the prior art
  • the data is directly sent to the database support node through the exchange network, and the server support node stores the data again.
  • the management server allocates the storage space of the shared storage area for the data, and returns the data storage address only through the exchange network. It is not transmitted through the switching network, but is stored directly in the shared storage area by the node, which avoids the huge burden caused by the large-data transmission of the switching network through the node in the prior art, and reduces the transmission resource consumption of the switching network. , improve the quality of service of the network.
  • Step 201 The node obtains an address of the storage space of the data to be read in the shared storage area; the address of the storage space may be directly sent to the node by the node that performs data storage; and the node may also obtain the storage by: Space address:
  • the node acquires a storage identifier of the data
  • the storage identifier may be sent directly to the node by the node performing data storage, or may be a storage identifier for acquiring data through other channels.
  • the node sends a data read request including the data storage identifier to the management server; the management server searches for an address of the storage space corresponding to the storage identifier of the data according to the correspondence between the storage identifier and the storage space address, and stores the storage space The address of the space is returned to the node.
  • the management server When receiving the storage request of the data, the management server allocates the storage space and the storage identifier of the shared storage area for the data, and records the correspondence between the storage identifier and the storage space address.
  • the address of the storage space may also be an address that the node obtains the storage space from the exchange network through other channels, for example, the other node sends the address of the storage space or the webpage, etc.;
  • the manner in which the address of the storage space is described does not constitute a limitation of the present invention.
  • Step 202 The node reads the data from a shared storage area according to an address of the storage space.
  • the node and the shared storage area may be connected by a dedicated data transmission channel;
  • the node reads the data from the shared storage area through the dedicated data transmission channel;
  • the embodiment of the present invention provides a data reading method corresponding to the embodiment of FIG. 1, and implements the node from the shared storage.
  • the area performs data reading.
  • the database support node sends the data directly to the node that needs the data, and the node only obtains the identifier of the data storage or the address stored in the shared storage area from the switching network, and
  • the huge burden caused by the address of the data storage from the shared storage network reduces the consumption of the transmission resources of the switching network and improves the service quality of the network.
  • a data reading method includes:
  • Step 301 The node acquires a storage identifier of the data.
  • Step 302 The node sends a data read request including the data storage identifier to the management server.
  • Step 303 The management server searches for an address of the storage space corresponding to the storage identifier according to the correspondence between the storage identifier and the storage space address, and returns the address of the storage space to the node.
  • Step 304 The node reads the data from the shared storage area according to the address of the storage space.
  • the node is connected to the shared storage area through a dedicated data transmission channel; the node reads the data from the shared storage area through the dedicated data transmission channel.
  • Step 305 The node performs update processing on the data.
  • Step 306 The node sends a data update request to the management server, where the request includes a storage identifier of the data.
  • the data update request sent by the node may include a size of the updated data.
  • Step 307 The management server re-allocates a storage space for the data in the shared storage area, and updates an address of the storage space corresponding to the storage identifier to an address of the storage space.
  • the management server reallocates the storage space for the updated data in the shared storage area according to the size of the updated data. Step 308.
  • the management server returns the updated storage space address to the node.
  • Step 309 The node stores the updated data into the shared storage area according to the updated storage space address.
  • node stores the updated data into the shared storage area through the dedicated data channel according to the updated storage space address.
  • the dedicated data transmission channel is a fiber data transmission channel or a SCSI transmission channel.
  • the embodiment of the present invention allocates a storage identifier for the stored data by the management server, and records a correspondence between the storage identifier and the address of the storage space.
  • the storage space is newly allocated for the data. Recording a correspondence between the storage identifier and a new storage space address, and returning an address of the new storage space to the node, where the node stores data according to the address of the new storage space, and implements the node pair
  • the data is stored, and the data identifier of the data in the network uniquely identifies the data.
  • the node reads the data through the identifier, the other nodes do not need to update the address of the new storage space, and continue to pass.
  • the storage identifier reads the data and still guarantees that the data is read correctly.
  • a data transmission method includes:
  • Step 401 The management server receives a data storage request sent by the first node.
  • Step 402 The management server allocates a storage space for the data in a shared storage area, and returns an address of the storage space to the first node.
  • Step 403 The first node stores the data in the shared storage area according to the address.
  • Step 404 The second node obtains an address of the storage space of the data in the shared storage area.
  • the address of the storage space may be sent by the first node to the second node, or the second node may actively acquire the data for sharing.
  • the address of the storage area of the storage area may be sent by the first node to the second node, or the second node may actively acquire the data for sharing.
  • Step 405 The second node reads the data from the shared storage area according to the address of the storage space.
  • the storing and reading of data by the first node and the second node in the shared storage area may be performed through a dedicated data channel, and the dedicated data channel may be a fiber data transmission channel or a SCSI transmission channel.
  • the first management server receives the data storage request sent by the first node, allocates a storage space for the data in the shared storage area, and returns the address of the storage space to the a first node; the first node stores the data in the shared storage area according to the address; the second node acquires an address of the storage space of the data in the shared storage area; and according to the storage space The address reads the data from the shared storage area, and realizes data transmission from the first node to the second node.
  • the data transmission process directly writes data and reads to the shared storage area through the node compared with the existing transmission technology.
  • the data avoids the huge burden caused by the large-data transmission of the switching network between the nodes in the prior art, reduces the transmission resource consumption of the switching network, and improves the service quality of the network.
  • a data transmission method includes:
  • Step 501 The management server receives a data storage request sent by the first node.
  • the management server allocates a storage identifier for the data, and records a correspondence between the storage identifier and the storage space address;
  • Step 502 The management server allocates a storage space for the data in a shared storage area, and returns an address of the storage space to the first node.
  • Step 503 The first node stores the data in the shared storage area according to the address.
  • Step 504 The second node obtains a storage identifier of the data.
  • the management server can allocate the storage identifier to the data
  • the storage identifier is sent to the second node, and the management server may return the storage identifier together with the address of the storage space in step 502.
  • the first node sends the storage identifier to the second node.
  • Step 505 The node sends a data read request including the data storage identifier to the management server.
  • Step 506 The management server searches for an address of the data storage space corresponding to the storage identifier according to the correspondence between the storage identifier and the storage space address, and returns the address of the data storage space to the node.
  • Step 507 The second node reads the data from the shared storage area according to the address of the storage space.
  • the storing and reading of data by the first node and the second node in the shared storage area may be performed through a dedicated data channel, where the dedicated data channel may be a fiber data transmission channel or
  • the storage of the data is managed by the storage identifier of the data, so that the nodes can read the data after the node updates the data, and the other nodes do not need to update the address of the storage space of the data, and the original
  • the storage identifier is obtained by the management server, and the address of the new storage space of the data sharing storage area is obtained, and the data is read.
  • the management server receives the data storage request sent by the first node
  • the management server allocates a storage space for the data in a shared storage area and returns an address of the storage space to the first node;
  • the first node stores the data in the shared storage area according to the address; the second node acquires an address of the storage space of the data in the shared storage area;
  • the second node reads the data from the shared storage area according to the address of the storage space.
  • a management server the logical structure of which is shown in FIG. 6, and includes: a storage request receiving unit 610, a storage space allocating unit 620, and an address issuing unit 630, where:
  • a storage request receiving unit 610 configured to receive a data storage request sent by the node
  • the storage space allocation unit 620 is configured to allocate a storage space for the data in the shared storage area.
  • the address delivery unit 630 is configured to return the address of the storage space to the node.
  • the data storage request received by the storage request receiving unit 610 includes the size of the data; the storage space allocation unit 620 allocates storage space for the data according to the size of the data.
  • a management server whose logical structure is shown in FIG. 7, includes: a storage request receiving unit 710, a storage space allocating unit 720, an address issuing unit 730, a storage identifier assigning unit 740, a storage relationship recording unit 750, and an address query unit. 760 and a second address delivery unit 770, where: a storage request receiving unit 710, configured to receive a data storage request sent by the node; a storage space allocation unit 720, configured to allocate a storage space for the data in the shared storage area; and an address delivery unit 730, configured to: store the storage space The address is returned to the node.
  • the data storage request received by the storage request receiving unit 710 includes the size of the data; the storage space allocation unit 720 allocates storage space for the data according to the size of the data.
  • a storage identifier allocation unit 740 configured to allocate a storage identifier for the data
  • a storage relationship record unit 750 configured to record the storage identifier and the storage space allocation unit
  • the address querying unit 760 is configured to receive a data read request that is sent by the node and includes a data storage identifier; query an address of the storage space corresponding to the storage identifier recorded by the storage relationship record unit 750; and notify the second address sending unit 770.
  • the address of the storage space obtained by the query is sent to the node that sends the data read request.
  • the second address issuance unit 770 is configured to send the address of the storage space obtained by the address query unit 760 to the node that sends the data read request.
  • a network node the logical structure diagram shown in Figure 8, including: data storage request unit
  • Address receiving unit 820 and data storage executing unit 830 Address receiving unit 820 and data storage executing unit 830.
  • a data storage request unit 810 configured to send a data storage request to the management server
  • the data storage request can include the size of the data.
  • the management server allocates storage space for the data and also allocates according to the size of the data.
  • the address receiving unit 820 is configured to receive an address of the storage space allocated by the management server for the data in the shared storage area
  • the address of the storage space in which the management server returns the data is returned by the response message of the data storage request.
  • the data storage execution unit 830 is configured to store the data into the shared storage area according to an address received by the address receiving unit 820.
  • a network node whose logical structure is shown in FIG. 9, includes: a storage address obtaining unit 910 and a data reading unit 920.
  • the storage address obtaining unit 910 is configured to obtain an address of a storage space of the data to be read in the shared storage area;
  • the data reading unit 920 is configured to read the data from the shared storage area according to an address of the storage space.
  • a network node includes: a storage address obtaining unit 1010 and a data reading unit 1020, the storage address obtaining unit 1010 includes: a storage identifier obtaining unit 1011, an address query requesting unit 1012, and The address receiving unit 1013.
  • a storage identifier obtaining unit 1011 configured to obtain a storage identifier of the data to be read
  • the address query requesting unit 1012 is configured to send an address query request including the storage identifier to the management server;
  • the address receiving unit 1013 is configured to receive an address of a storage space corresponding to the storage identifier of the to-be-read data obtained by the query returned by the management server.
  • the data reading unit 1020 is configured to read the data from the shared storage area according to the address of the storage space.
  • a network node whose logical structure is shown in FIG. 11, includes: a storage address obtaining unit 1110, a data reading unit 1120, a data update processing unit 1130, a data update request unit 1140, and an update data storage unit 1150.
  • the storage address obtaining unit 1110 includes: a storage identifier obtaining unit 1111, an address query requesting unit 1112, and an address receiving unit 1113.
  • a storage identifier obtaining unit 1111 configured to acquire a storage identifier of the data to be read
  • the address query requesting unit 1112 is configured to send an address query request including the storage identifier to the management server;
  • the address receiving unit 1113 is configured to receive an address of a storage space corresponding to the storage identifier of the to-be-read data obtained by the management server.
  • the data reading unit 1120 is configured to read the data from the shared storage area according to the address of the storage space.
  • a data update processing unit 1130 configured to perform data update processing on the read data
  • a data update request unit 1140 configured to send, to the management server, a data update request that includes the storage identifier
  • An update data storage unit 1150 configured to receive, in the shared storage area, returned by the management server A storage space address that is reallocated for the data in the domain, and stores the updated data in the shared storage area according to the address.
  • FIG. 12 A communication system, the schematic diagram of the logical structure of the system is shown in Figure 12, including:
  • Management server 1210 receives a data storage request sent by the first node, allocates a storage space for the data in the shared storage area, and returns an address of the storage space to the first node; the first node 1220, And sending a data storage request to the management server, and storing the data in the shared storage area according to an address of a storage space allocated by the management server; the second node 1230, acquiring the data in a shared storage The address of the storage space of the area; and reads the data from the shared storage area according to the address of the storage space.
  • the shared storage area 1240 is configured to store data.
  • the dedicated data transmission channel may be a fiber data transmission channel or a SCSI transmission channel.
  • the dotted line indicates the data exchange network connection
  • the solid line indicates the dedicated data transmission channel
  • the dotted line indicates the management server's management channel for the shared storage space.
  • the embodiment of the present invention provides a detailed description of the data storage, reading, transmission method, management server, network node and communication system, wherein:
  • the first management server receives the data storage request sent by the first node; allocates a storage space for the data in the shared storage area, and returns the address of the storage space. Giving the first node; the first node stores the data in the shared storage area according to the address; the second node acquires an address of the storage space of the data in the shared storage area; and according to the storage The address of the space reads the data from the shared storage area, and realizes data transmission from the first node to the second node.
  • the data transmission process directly writes data to the shared storage area through the node compared with the existing transmission technology. The data is read, which avoids the huge burden of the large-data transmission of the switching network between the nodes in the prior art, reduces the consumption of the transmission resources of the switching network, and improves the service quality of the network.
  • the storage server allocates a storage identifier for the stored data, and records a correspondence between the storage identifier and the address of the storage space, and receives an update request of the node when receiving the data.
  • Re-allocating a storage space for the data recording a correspondence between the storage identifier and a new storage space address, and returning an address of the new storage space to the node, the node according to the new storage
  • the address of the space stores data, and the storage of the data after the node updates the data, and the storage identifier of the data in the network uniquely identifies the data, and when the node reads the data through the identifier, the other nodes do not Need to update the address of the new storage space, continue to read data through the storage identifier, still can guarantee the correct reading of the data.

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  • Theoretical Computer Science (AREA)
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  • Information Retrieval, Db Structures And Fs Structures Therefor (AREA)

Abstract

L'invention concerne un procédé de stockage, de lecture et de transmission de données ainsi qu'un serveur de gestion et un nœud de réseau. Dans le procédé de transmission de données, un serveur de gestion reçoit une requête de stockage de données envoyée à partir d'un premier nœud, distribue un espace de stockage pour lesdites données dans une région de stockage partagée et renvoie une adresse dudit espace de stockage au premier nœud. Le premier nœud stocke lesdites données dans la région de stockage partagée conformément à ladite adresse. Un second nœud obtient l'adresse dudit espace de stockage dans la région de stockage partagée où les données sont stockées et lit lesdites données depuis la région de stockage partagée conformément à l'adresse dudit espace de stockage. Une transmission de données est réalisée du premier nœud au second nœud. Ce nouveau procédé évite la charge du réseau de commutation de données entre le premier nœud et le second nœud comme c'était le cas dans les procédés de transmission de données importantes jusqu'à présent ; réduit la consommation de ressource de transmission dans le réseau de commutation ; et améliore la qualité de service du réseau.
PCT/CN2008/070703 2007-04-30 2008-04-14 Procédé de stockage, de lecture et de transmission de données, et serveur de gestion et nœud de réseau WO2008134953A1 (fr)

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CN200710105625.4 2007-04-30
CN2007101056254A CN101047610B (zh) 2007-04-30 2007-04-30 数据存储、读取、传输方法和管理服务器及网络节点

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