WO2017107463A1 - 一种分发cdn地址的方法及装置 - Google Patents

一种分发cdn地址的方法及装置 Download PDF

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Publication number
WO2017107463A1
WO2017107463A1 PCT/CN2016/089468 CN2016089468W WO2017107463A1 WO 2017107463 A1 WO2017107463 A1 WO 2017107463A1 CN 2016089468 W CN2016089468 W CN 2016089468W WO 2017107463 A1 WO2017107463 A1 WO 2017107463A1
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WIPO (PCT)
Prior art keywords
server
cdn
server information
information
download
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PCT/CN2016/089468
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English (en)
French (fr)
Inventor
张海
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乐视控股(北京)有限公司
乐视云计算有限公司
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Priority to US15/246,542 priority Critical patent/US20170180470A1/en
Publication of WO2017107463A1 publication Critical patent/WO2017107463A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40Network security protocols
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/1001Protocols in which an application is distributed across nodes in the network for accessing one among a plurality of replicated servers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00Network arrangements, protocols or services for addressing or naming
    • H04L61/58Caching of addresses or names
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/60Network streaming of media packets
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/01Protocols
    • H04L67/10Protocols in which an application is distributed across nodes in the network
    • H04L67/104Peer-to-peer [P2P] networks
    • H04L67/1074Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
    • H04L67/1078Resource delivery mechanisms
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00Network arrangements or protocols for supporting network services or applications
    • H04L67/50Network services
    • H04L67/56Provisioning of proxy services
    • H04L67/568Storing data temporarily at an intermediate stage, e.g. caching

Definitions

  • Embodiments of the present invention relate to the field of electrical communication technologies, and in particular, to a method and an apparatus for distributing a CDN address.
  • CDN Content Delivery Network
  • CDN Content Delivery Network
  • CDN avoids bottlenecks and links on the Internet that may affect the speed and stability of data transmission, making content transmission faster and more stable.
  • CDN system can real-time according to network traffic and connection, load status and distance to users and response time of users.
  • the integrated information redirects the user's request to the service node closest to the user.
  • the CDN system enables users to get the content they need and improve the responsiveness of users to the website.
  • the data acquisition request is sent to the scheduling server, where the acquisition request includes the address information of the terminal node, and the scheduling server sends the CDN address corresponding to the address information of the terminal node to the terminal node according to the address information of the terminal node. Further, the download server address corresponding to the data is determined.
  • the optimal download server address can be selected by the CDN technology, but if the currently selected download server is abnormal, the download failure may occur. If the download fails, the terminal node needs to request the download data again, and then select the same download server according to the address information, and re-download the data. Select the same download server to download data. If the network is faulty, the terminal node can successfully download data. If the download server fails, the terminal node Unable to download data successfully.
  • Such a CDN address distribution method cannot guarantee that the data is successfully downloaded when an abnormality occurs in the download server.
  • the present invention provides a method and apparatus for distributing a CDN address to solve the problem that the data cannot be successfully downloaded when an abnormality occurs in the download server.
  • the present invention provides a method for distributing a CDN address, the method comprising:
  • server information saved in another terminal node where the server information is used to record an internet protocol IP address of a content distribution network CDN server to which the other terminal node is connected by default;
  • the CDN server corresponding to the found server information is requested to download data.
  • the present invention provides an apparatus for distributing a CDN address, the apparatus comprising:
  • An obtaining unit configured to acquire server information saved in another terminal node that establishes a connection by the establishing unit, where the server information is used to record an internet protocol IP address of a content distribution network CDN server to which the other terminal node is connected by default;
  • a recording unit configured to record the server information acquired by the obtaining unit and the server information of the CDN server connected by itself to the server list;
  • a searching unit configured to search, from a server list recorded by the recording unit, server information that meets a preset condition
  • a requesting unit configured to request downloading data from a CDN server corresponding to the server information found by the searching unit.
  • the present invention provides another apparatus for distributing a CDN address, the apparatus comprising:
  • a memory configured to store executable instructions of the processor
  • the processor is configured to:
  • server information saved in another terminal node where the server information is used to record an internet protocol IP address of a content distribution network CDN server to which the other terminal node is connected by default;
  • the CDN server corresponding to the found server information is requested to download data.
  • the method and device for distributing a CDN address establishes a P2P connection with other terminal nodes in the network, acquires server information saved in other terminal nodes, records server information in a server list, and searches for a preset according to the list.
  • the server information of the condition requests the download of the data to the server information that meets the preset condition.
  • the present invention can search for server information without abnormality, request download data from a server that does not have an abnormality, thereby ensuring successful downloading of data when an abnormality occurs in the current server.
  • FIG. 1 is a flowchart of a method for distributing a CDN address according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for distributing a CDN address according to an embodiment of the present invention
  • FIG. 3 is a block diagram showing an apparatus for distributing a CDN address according to an embodiment of the present invention
  • FIG. 4 is a block diagram showing another composition of a device for distributing a CDN address according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an apparatus for distributing a CDN address according to an embodiment of the present invention.
  • the embodiment of the present invention provides a method for distributing a CDN address. As shown in FIG. 1, the method includes:
  • the network in this embodiment refers to a network in the computer field, and is a virtual platform for information transmission, reception, and sharing, through which information of points, planes, and bodies are linked together, thereby realizing sharing of these resources.
  • a terminal node in a network refers to a terminal computer or other device that accesses the network.
  • P2P means that each computer on the Internet has the same function. There is no master or slave. One computer is a computer terminal, and the server has the function to set shared resources for use by other computers on the network.
  • a P2P connection is established with other terminal nodes in the network, and the terminal nodes in the network are independent terminals, and can acquire shared resources set by the terminal nodes.
  • the number of terminal nodes connected in P2P mode is less than a certain range value, and the range value needs to be set by a constraint condition. In this embodiment, restrictions on the terminal node are not limited.
  • the server information is used to record the Internet Protocol IP address of the content distribution network CDN server to which other terminal nodes are connected by default.
  • the terminal node saves the server to which the terminal node is connected by default.
  • the number of other terminal nodes is in one-to-one correspondence with the number of acquired server information.
  • Obtain server information which can be obtained when there is a data download request, or can be obtained at regular intervals.
  • the time for obtaining server information is not limited.
  • Each terminal node has a default connected CDN server, and records the CDN server information that the terminal node connects by default, and the server information of other terminal nodes acquired by step 102, into the server list. All servers in the server list are servers that the terminal can connect directly to.
  • the preset conditions are met, that is, the server can meet the requirements for the terminal node to transmit data. From the server list, find the service information that satisfies the data requirements of the terminal node.
  • step 104 After the server information that meets the preset condition is found in step 104, a request is sent to the CDN server corresponding to the found server information to request to download the data.
  • the method for distributing a CDN address obtained by the embodiment of the present invention obtains a server information saved in another terminal node by establishing a P2P connection with other terminal nodes in the network, records the server information in the server list, and searches for a preset according to the list.
  • the server information of the condition requests the download of the data to the server information that meets the preset condition.
  • the embodiment of the present invention can search for server information that does not have an abnormality, and request downloading data from a server that does not have an abnormality, thereby ensuring successful downloading of data when an abnormality occurs in the current server.
  • the embodiment of the present invention further provides another method for distributing a CDN address. As shown in FIG. 2, the method includes:
  • This step is the same as step 101 in the method shown in FIG. 1, and details are not described herein again.
  • the server information is used to record the Internet Protocol IP address of the content distribution network CDN server to which the other terminal node is connected by default; the server information also records the CDN server location and the CDN server download speed. In addition to recording the IP address of the CDN server, the server information also records the location information of the CDN server and the download speed of the CDN server to accurately reflect the information and status of the CDN server.
  • Obtaining server information saved in other terminal nodes may send inquiry information to other terminal nodes, the inquiry information is used to query server information of the CDN server connected to other terminal nodes; and receive server information returned by other terminal nodes.
  • the server information returned by other terminal nodes received by the method of inquiry and re-reception indicates that the terminal that returns the server information is working, and can ensure that the server information of the other terminal nodes that are received are the server information of the currently working server.
  • the inquiry information can be sent when there is a data download request, or can be obtained at regular intervals.
  • the time at which the inquiry information is transmitted is not limited.
  • the inquiry information is sent instead of the server information periodically sent by other terminal nodes, and only the demand information is transmitted in the network, thereby saving network resources.
  • the information is recorded in the server list.
  • the CDN server location and the CDN server download speed are also recorded in the server information.
  • the server information recorded in the server list not only records the basic information of the server, but also reflects the download effect of using the server.
  • the output value is reflected by the index value, and the higher the index value, the faster the download speed.
  • the distance between the location of the CDN server and the location of the CDN server is calculated; the index value of the CDN server is calculated according to the calculated distance and the download speed of the CDN server; and the server information is sequentially recorded in the server list according to the size of the index value.
  • the distance between the terminal itself and the server location, and the download speed of the CDN server are two aspects that affect the speed at which the terminal downloads data. The farther the terminal itself is from the server location, the slower the data is downloaded.
  • the download speed of the CDN server is related to the resources of the CDN server itself. The slow download speed indicates that the remaining resources of the CDN server are limited. Therefore, the distance between the terminal itself and the server location and the download speed of the CDN server are set to different weights, and the index value of the CDN is calculated. In this embodiment, the manner in which the weights are set is not limited. According to the size of the indicator value, each server information is sequentially recorded in the server list to facilitate subsequent operations.
  • the terminal node first connects to its default CDN server. If the CDN server connected to itself defaults and cannot download data, it searches the server list for server information that meets the preset conditions. The preset number of server information is searched in order according to the order of the indicator values.
  • An abnormality occurs on the CDN server, which means that the download timed out, the download speed is too slow, or the 404 error that the server cannot provide the information normally.
  • the duration limit of the download timeout the speed limit that belongs to the download speed is too slow and is recorded in the terminal node.
  • the duration limit of the download timeout is not limited, and the speed limit that belongs to the download speed is too limited.
  • it may be preset in the terminal node, or the user may manually set the change, or may be determined according to the download data that the user requests to download. In this embodiment, the manner in which the qualification is set is not limited.
  • Server information that meets the preset criteria may include multiple.
  • the number of server information that meets the preset condition is not limited. Then, the server information that meets the preset number is searched for from the server information that meets the preset condition. Multiple CDN servers found are for more The download data is fast, and the download speed of the CDN server is different, so the download speed of the found CDN server is guaranteed by a preset number of restrictions.
  • the server information found by step 204 may include a CDN server or multiple CDN servers.
  • the found server information includes only one CDN server, it directly requests the downloaded CDN server to download data.
  • the number limit may be a fixed value, or may be different according to user requests, or may be manually set by a user. In the implementation of the present invention, the number of the quantity limit is not limited, and the manner of setting the quantity limit is not limited.
  • each of the CDN servers is required to download a data segment; and at least two CDN servers are respectively requested to download data segments corresponding to at least two CDN servers.
  • the download data is simultaneously requested from a plurality of CDN servers.
  • the download data is divided into multiple data segments, and the data segments that each CDN server needs to download are allocated.
  • the manner of segmentation of the downloaded data is not limited. Allocating data segments that need to be downloaded by each CDN server may be equally distributed by dividing the divided data segments, or may be allocated according to the index value of the CDN server. In this embodiment, each CDN server needs to be downloaded. The way the data segments are allocated is not limited.
  • server information between other terminal nodes Obtaining server information between other terminal nodes according to a preset time interval; updating the server list according to server information.
  • server information As time changes, other terminal nodes that the terminal is connecting may change, and the download speed of the CDN server to which the other terminal nodes are connected may change. Therefore, the server list needs to be updated so that if the CDN server downloading data is abnormal, select a better CDN server.
  • another embodiment of the present invention further provides an apparatus for distributing a CDN address.
  • the device embodiment corresponds to the foregoing method embodiment.
  • the apparatus includes: an establishing unit 31, an obtaining unit 32, a recording unit 33, a searching unit 34, and a requesting unit 35. among them,
  • the establishing unit 31 establishes a peer-to-peer network P2P connection with other terminal nodes in the network;
  • the obtaining unit 32 is configured to acquire server information saved in another terminal node that the establishing unit 31 establishes a connection, and the server information is used to record an internet protocol IP address of a content distribution network CDN server to which the other terminal node is connected by default;
  • a recording unit 33 configured to record the server information acquired by the obtaining unit 32 and the server information of the CDN server that is connected by default to the server list;
  • the searching unit 34 is configured to search, from the server list recorded by the recording unit 33, server information that meets a preset condition;
  • the requesting unit 35 is configured to request downloading data from the CDN server corresponding to the server information found by the searching unit 34.
  • the obtaining unit 32 includes:
  • the sending module 321 is configured to send, to other terminal nodes, query information, where the query information is used to query server information of a CDN server connected to other terminal nodes;
  • the receiving module 322 is configured to receive server information returned by other terminal nodes.
  • the server information acquired by the obtaining unit 32 also records the CDN server location and the CDN server download speed;
  • the recording unit 33 includes:
  • the calculating module 331 is configured to calculate a distance between the location of the CDN server and the location of the CDN server;
  • the calculating module 331 is further configured to calculate an indicator value of the CDN server according to the calculated distance and the download speed of the CDN server;
  • the recording module 332 is configured to sequentially record each piece of server information in the server list according to the size of the index value calculated by the calculation module 331.
  • the searching unit 34 is configured to search for server information that meets a preset condition from the server list if an abnormality cannot be downloaded by the CDN server connected by default.
  • the searching unit 34 is further configured to sequentially search for a preset number of server information according to an order of the indicator values.
  • the requesting unit 35 includes:
  • An allocation module 351, configured to allocate each time when downloading data to at least two CDN servers The data segment that the CDN server needs to download;
  • the requesting module 352 is configured to separately download, to the at least two CDN servers, the data segments allocated by the allocation module 351 corresponding to each of the at least two CDN servers.
  • the device further includes:
  • the obtaining unit 32 is configured to acquire server information between other terminal nodes according to a preset time interval after the requesting unit 35 requests downloading data from the CDN server corresponding to the found server information.
  • the updating unit 36 is configured to update the server list according to the server information acquired by the obtaining unit 32.
  • the apparatus for distributing a CDN address acquires a server information saved in another terminal node by establishing a P2P connection with other terminal nodes in the network, records the server information in the server list, and searches for a preset according to the list.
  • the server information of the condition requests the download of the data to the server information that meets the preset condition.
  • the embodiment of the present invention can search for server information that does not have an abnormality, and request downloading data from a server that does not have an abnormality, thereby ensuring successful downloading of data when an abnormality occurs in the current server.
  • the functions of the respective unit modules used in the embodiments of the present invention can be implemented by a hardware processor.
  • FIG. 5 is a schematic structural diagram of an apparatus for distributing a CDN address according to an embodiment of the present invention.
  • the apparatus for distributing a CDN address may include: a processor 51 and a communication interface ( The Communications Interface 52, the memory 53 and the bus 54, wherein the processor 51, the communication interface 52, and the memory 53 complete communication with each other via the bus 54.
  • Communication interface 52 can be used for information transfer between the server and the client.
  • the processor 51 can call the logic instructions in the memory 53 to perform the following methods: establishing a peer-to-peer network P2P connection with other terminal nodes in the network; acquiring server information saved in other terminal nodes, the server information being used to record the The Internet Protocol IP address of the CDN server of the content distribution network that is connected by the other terminal node by default; the obtained server information and the server information of the CDN server that is connected by default are recorded in the server list; and the predetermined condition is found from the server list. Server information; requesting download data from the CDN server corresponding to the found server information.
  • the logic instructions in the memory 53 described above may be implemented in the form of a software functional unit and sold or used as a stand-alone product, and may be stored in a computer readable storage medium.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .
  • the device embodiments described above are merely illustrative, wherein the units described as separate components may or may not be physically separate, and the components displayed as units may or may not be physical units, ie may be located A place, or it can be distributed to multiple network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the embodiment. Those of ordinary skill in the art can understand and implement without deliberate labor.

Abstract

本发明提供一种分发CDN地址的方法及装置,涉及电通信技术领域,为解决不能保证当下载服务器出现异常时成功下载数据的问题而发明。该方法包括:与网络中的其他终端节点建立对等网络P2P连接;获取其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;将获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;从所述服务器列表中查找符合预设条件的服务器信息;向查找到的服务器信息对应的CDN服务器请求下载数据。本发明主要应用于CDN地址分发的过程中。

Description

一种分发CDN地址的方法及装置
本申请基于申请号为201510969742X、申请日为2015年12月21日的中国专利申请提出,并要求该中国专利申请的优先权,该中国专利申请的全部内容在此引入本申请作为参考。
技术领域
本发明实施例涉及电通信技术领域,尤其涉及一种分发CDN地址的方法及装置。
背景技术
CDN(Content Delivery Network,内容分发网络)是一种新型网络内容服务体系,基于内容访问与应用的效率要求、质量要求和内容秩序而提供内容的分发和服务。CDN尽可能避开互联网上有可能影响数据传输速度和稳定性的瓶颈和环节,使内容传输的更快、更稳定。通过在网络各处放置CDN服务器所构成的在现有的互联网基础之上的一层智能虚拟网络,CDN系统能够实时地根据网络流量和各节点的连接、负载状况以及到用户的距离和响应时间等综合信息将用户的请求重新导向离用户最近的服务节点上。CDN系统使用户就近取得所需内容,提高用户访问网站的响应速度。
在终端节点下载数据时,向调度服务器发送数据获取请求,获取请求中包含有终端节点的地址信息,调度服务器根据终端节点的地址信息,向终端节点发送与终端节点的地址信息对应的CDN地址,进而确定了数据对应的下载服务器地址。
在现有技术中,通过CDN技术可以选取最优下载服务器地址,但是若当前选取的下载服务器出现异常时,会造成下载失败的情况。若下载在失败,则需要终端节点重新请求下载数据,重新根据地址信息选择同一个下载服务器,重新下载数据。选择同一个下载服务器下载数据,若是网络故障,终端节点能成功的下载数据,若下载服务器出现故障,则终端节点 不能成功的下载数据。这样的CDN地址分发的方式,不能保证当下载服务器出现异常时成功下载数据。
发明内容
本发明提供了一种分发CDN地址的方法及装置,用以解决不能保证当下载服务器出现异常时成功下载数据的问题。
为了解决上述技术问题,一方面,本发明提供一种分发CDN地址的方法,该方法包括:
与网络中的其他终端节点建立对等网络P2P连接;
获取其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;
将获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;
从所述服务器列表中查找符合预设条件的服务器信息;
向查找到的服务器信息对应的CDN服务器请求下载数据。
另一方面,本发明提供了一种分发CDN地址的装置,该装置包括:
建立单元,与网络中的其他终端节点建立对等网络P2P连接;
获取单元,用于获取所述建立单元建立连接的其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;
记录单元,用于将所述获取单元获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;
查找单元,用于从所述记录单元记录的服务器列表中查找符合预设条件的服务器信息;
请求单元,用于向所述查找单元查找到的服务器信息对应的CDN服务器请求下载数据。
本发明提供了另一种分发CDN地址的装置,该装置包括:
处理器,和
存储器,被配置为存储所述处理器的可执行指令;
所述的处理器被配置为:
与网络中的其他终端节点建立对等网络P2P连接;
获取其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;
将获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;
从所述服务器列表中查找符合预设条件的服务器信息;
向查找到的服务器信息对应的CDN服务器请求下载数据。
本发明提供的分发CDN地址的方法及装置,通过与网络中的其他终端节点建立P2P连接,获取其他终端节点中保存的服务器信息,将服务器信息记录到服务器列表中,从列表中查找符合预设条件的服务器信息,向符合预设条件的服务器信息请求下载数据。与现有技术相比,本发明能够查找未出现异常的服务器信息,向未出现异常的服务器请求下载数据,从而保证当下服务器出现异常时成功下载数据。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案,下面将对实施例或现有技术描述中所需要使用的附图作一简单地介绍,显而易见地,下面描述中的附图是本发明的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动的前提下,还可以根据这些附图获得其他的附图。
图1示出了本发明实施例提供的一种分发CDN地址的方法流程图;
图2示出了本发明实施例提供的另一种分发CDN地址的方法流程图;
图3示出了本发明实施例提供的一种分发CDN地址的装置组成框图;
图4示出了本发明实施例提供的另一种分发CDN地址的装置组成框图;
图5示出了本发明实施例提供的一种分发CDN地址的装置结构示意图。
具体实施方式
为使本发明实施例的目的、技术方案和优点更加清楚,下面将结合本发明实施例中的附图,对本发明实施例中的技术方案进行清楚、完整地描述,显然,所描述的实施例是本发明一部分实施例,而不是全部的实施例。基于本发明中的实施例,本领域普通技术人员在没有作出创造性劳动前提下所获 得的所有其他实施例,都属于本发明保护的范围。
为了保证当下载服务器出现异常时成功下载数据,本发明实施例提供了一种分发CDN地址的方法,如图1所示,该方法包括:
101、与网络中的其他终端节点建立对等网络P2P连接。
本实施例中的网络,是指计算机领域中的网络,是信息传输、接收、共享的虚拟平台,通过它把各个点、面、体的信息联系到一起,从而实现这些资源的共享。网络中的终端节点是指终端的计算机或其他接入网络的设备。
P2P,是指网上各台计算机有相同的功能,无主从之分,一台计算机即为计算机终端,又有服务器的功能设定共享资源供网络中其他计算机使用。
与网络中的其他终端节点建立P2P连接,网络中的终端节点即是独立的终端,又能获取终端节点设定的共享资源。以P2P方式连接的终端节点的数量是小于某一范围值,该范围值需要通过限制条件设定。在本实施例中,对终端节点的限制条件不做限定。
102、获取其他终端节点中保存的服务器信息。
服务器信息用于记录其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址。终端节点保存的是终端节点默认连接的服务器。从其他终端节点,获取其他终端节点保存的服务器信息,实现服务器信息的资源共享。其他终端节点的个数与获取的服务器信息的条数一一对应。
获取服务器信息,可以在有数据下载请求时获取,也可以每隔一定的时间间隔获取。在本实施例中,对获取服务器信息的时间不做限定。
103、将获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中。
每个终端节点有一个默认连接的CDN服务器,将终端节点默认连接的CDN服务器信息,以及由步骤102获取的其他终端节点的服务器信息,记录到服务器列表中。服务器列表中的所有服务器,均为终端可以直接连接的服务器。
104、从服务器列表中查找符合预设条件的服务器信息。
服务器,为终端节点提供数据传递的服务。符合预设条件,即服务器可以满足终端节点传递数据的要求。从服务器列表中,查找可以满足终端节点传递数据要求的服务信息。
105、向查找到的服务器信息对应的CDN服务器请求下载数据。
在步骤104查找到符合预设条件的服务器信息后,向查找到的服务器信息对应的CDN服务器发送请求,请求下载数据。
本发明实施例提供的分发CDN地址的方法,通过与网络中的其他终端节点建立P2P连接,获取其他终端节点中保存的服务器信息,将服务器信息记录到服务器列表中,从列表中查找符合预设条件的服务器信息,向符合预设条件的服务器信息请求下载数据。与现有技术相比,本发明实施例能够查找未出现异常的服务器信息,向未出现异常的服务器请求下载数据,从而保证当下服务器出现异常时成功下载数据。
进一步地,作为图1所示方法的细化和扩展,本发明实施例还提供了另一种分发CDN地址的方法,如图2所示,该方法包括:
201、与网络中的其他终端节点建立对等网络P2P连接。
本步骤与图1所示方法中步骤101相同,这里不再赘述。
202、获取其他终端节点中保存的服务器信息。
服务器信息用于记录其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;服务器信息中还记录有CDN服务器位置以及CDN服务器下载速度。服务器信息除了记录CDN服务器的IP地址,还记录CDN服务器的位置信息以及CDN服务器的下载速度,以准确地反映CDN服务器的信息及状态。
获取其他终端节点中保存的服务器信息,可以通过向其他终端节点发送询问信息,询问信息用于询问与其他终端节点连接的CDN服务器的服务器信息;接收其他终端节点返回的服务器信息。
通过询问,再接收的方式,接收到的其他终端节点返回的服务器信息,说明返回服务器信息的终端正在工作,可以保证接收到的其他终端节点的服务器信息都是当前正在工作服务器的服务器信息。
询问信息的发送,可以在有数据下载请求时获取,也可以每隔一定的时间间隔获取。在本实施例中,对询问信息发送的时间不做限定。
在终端节点有需求时,发送询问信息,而不是由其他终端节点定时的发送服务器信息,在网络中只传输需求信息,节约网络资源。
203、将获取的服务器信息以及自身默认连接的CDN服务器的服务器信 息记录到服务器列表中。
服务器信息中还记录有CDN服务器位置以及CDN服务器下载速度。服务器列表中记录的服务器信息,不仅要记录服务器的基本信息,还需要反映使用服务器地下载效果。
通过指标值,反映下载效果,指标值越高下载速度越快。计算自身位置相对CDN服务器位置之间的距离;根据计算的距离及CDN服务器下载速度,计算CDN服务器的指标值;按照指标值的大小,在服务器列表中顺序记录各条服务器信息。
终端自身相对服务器位置之间的距离,与CDN服务器的下载速度,是影响终端下载数据速度的两个方面。终端自身相对服务器位置之间的距离越远,下载数据的速度越慢。CDN服务器的下载速度,与CDN服务器自身的资源有关,下载速度慢说明CDN服务器的剩余资源有限。所以将终端自身相对服务器位置之间的距离与CDN服务器的下载速度,设置不同的权重,计算CDN的指标值。在本实施例中,对权重的设置方式不做限定。按照指标值的大小,在服务器列表中顺序记录各条服务器信息,以方便后续的操作。
204、从服务器列表中查找符合预设条件的服务器信息。
终端节点首先连接自身默认的CDN服务器,若自身默认连接的CDN服务器发生异常无法下载数据,则从服务器列表中查找符合预设条件的服务器信息。按照指标值从大到小的顺序,依次查找预设数量的服务器信息。
CDN服务器发生异常,是指下载超时、下载速度过慢,或者返回服务器无法正常提供信息的404错误。对于下载超时的时长限制,属于下载速度过慢的速度限制,均记录在终端节点。在本实施例中,对下载超时的时长限制不做限定,对属于下载速度过慢的速度限制也不做限定。对于这两个限定条件,可以预先设置在终端节点中,也可以有用户手动设置更改,也可以根据用户请求下载的下载数据而确定。在本实施例中,对限定条件的设置方式不做限定。
符合预设条件的服务器信息,可能包括多个。在本实施例中,对符合预设条件的服务器信息的个数不做限定。而后从符合预设条件的服务器信息中查找符合预设数量的服务器信息。查找到的多个CDN服务器,是为了更加 快速的下载数据,而CDN服务器的下载速度是不同的,所以通过预设数量的限制,保证查找到的CDN服务器的下载速度。
205向查找到的服务器信息对应的CDN服务器请求下载数据。
由步骤204查找到的服务器信息,可能包括一个CDN服务器,也可能包括多个CDN服务器。当查找到的服务器信息只包括一个CDN服务器时,直接向查找到的CDN服务器请求下载数据。
若查找到多个CDN服务器时,向多个CDN服务器请求下载。对于向多个CDN服务器请求下载的多个CDN服务器是有数量限制的,对于数量限制可以是固定值,也可以根据用户请求不同而不同,也可以有用户手动设置。在本发明实施中,对数量限制的数量大小不做限定,对于数量限制的设置方式也不做限定。
当向至少两个CDN服务器请求下载数据时,分配每台CDN服务器需要下载的数据段;向至少两台CDN服务器分别请求下载至少两台CDN服务器各自对应的数据段。为了不向服务器发送重复的下载请求,也为了提高数据的下载速度,向多个CDN服务器同时请求下载数据。将下载数据分成多个数据段,分配每台CDN服务器需要下载的数据段。在本实施例中,对下载数据的分段方式不做限定。分配每台CDN服务器需要下载的数据段,采用地分配方式可以是将分成的数据段平均分配,也可以根据CDN服务器的指标值分配,在本实施例中,对分配每台CDN服务器需要下载的数据段的分配方式不做限定。
206、更新服务器列表。
按照预设的时间间隔,获取其他终端节点间的服务器信息;根据服务器信息,更新所述服务器列表。随着时间的变化,终端正在连接的其他终端节点可能发生变化,其他终端节点默认连接的CDN服务器的下载速度可能发生变化。所以需要对服务器列表进行更新,以便于若下载数据的CDN服务器出现异常时,选择更优的CDN服务器。
进一步地,作为对上述图1与图2所示方法的实现,本发明另一实施例还提供了一种分发CDN地址的装置。本装置实施例与前述方法实施例对应,为便于阅读,本装置实施例不再对前述方法实施例中的细节内容进行逐一赘述,但应当明确,本装置实施例能够对应实现前述方法实施例中的全部 内容。如图3所示,该装置包括:建立单元31、获取单元32、记录单元33、查找单元34以及请求单元35。其中,
建立单元31,与网络中的其他终端节点建立对等网络P2P连接;
获取单元32,用于获取建立单元31建立连接的其他终端节点中保存的服务器信息,服务器信息用于记录其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;
记录单元33,用于将获取单元32获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;
查找单元34,用于从记录单元33记录的服务器列表中查找符合预设条件的服务器信息;
请求单元35,用于向查找单元34查找到的服务器信息对应的CDN服务器请求下载数据。
进一步地,如图4所示,获取单元32,包括:
发送模块321,用于向其他终端节点发送询问信息,询问信息用于询问与其他终端节点连接的CDN服务器的服务器信息;
接收模块322,用于接收其他终端节点返回的服务器信息。
进一步地,如图4所示,获取单元32获取的服务器信息中还记录有CDN服务器位置以及CDN服务器下载速度;
记录单元33,包括:
计算模块331,用于计算自身位置相对CDN服务器位置之间的距离;
计算模块331,还用于根据计算的距离及CDN服务器下载速度,计算CDN服务器的指标值;
记录模块332,用于按照计算模块331计算的指标值的大小,在服务器列表中顺序记录各条服务器信息。
进一步地,查找单元34,用于若自身默认连接的CDN服务器发生异常无法下载数据,则从服务器列表中查找符合预设条件的服务器信息。
进一步地,查找单元34,还用于按照指标值从大到小的顺序,依次查找预设数量的服务器信息。
进一步地,如图4所示,请求单元35,包括:
分配模块351,用于当向至少两个CDN服务器请求下载数据时,分配每 台CDN服务器需要下载的数据段;
请求模块352,用于向至少两台CDN服务器分别请求下载至少两台CDN服务器各自对应的分配模块351分配的数据段。
进一步地,如图4所示,装置还包括:
获取单元32,用于在请求单元35向查找到的服务器信息对应的CDN服务器请求下载数据之后,按照预设的时间间隔,获取其他终端节点间的服务器信息;
更新单元36,用于根据获取单元32获取的服务器信息,更新服务器列表。
本发明实施例提供的分发CDN地址的装置,通过与网络中的其他终端节点建立P2P连接,获取其他终端节点中保存的服务器信息,将服务器信息记录到服务器列表中,从列表中查找符合预设条件的服务器信息,向符合预设条件的服务器信息请求下载数据。与现有技术相比,本发明实施例能够查找未出现异常的服务器信息,向未出现异常的服务器请求下载数据,从而保证当下服务器出现异常时成功下载数据。
需要说明的是,针对上述分发CDN地址的装置,凡是本发明实施例中使用到的各个单元模块的功能都可以通过硬件处理器(hardware processor)来实现。
示例性的,如图5所示,图5示出了本发明实施例提供的一种分发CDN地址的装置结构示意图,该分发CDN地址的装置可以包括:处理器(processor)51、通信接口(Communications Interface)52、存储器(memory)53和总线54,其中,处理器51、通信接口52、存储器53通过总线54完成相互间的通信。通信接口52可以用于服务器与客户端之间的信息传输。处理器51可以调用存储器53中的逻辑指令,以执行如下方法:与网络中的其他终端节点建立对等网络P2P连接;获取其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;将获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;从所述服务器列表中查找符合预设条件的服务器信息;向查找到的服务器信息对应的CDN服务器请求下载数据。
此外,上述的存储器53中的逻辑指令可以通过软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本发明各个实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所描述的装置实施例仅仅是示意性的,其中所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部模块来实现本实施例方案的目的。本领域普通技术人员在不付出创造性的劳动的情况下,即可以理解并实施。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到各实施方式可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件。基于这样的理解,上述技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品可以存储在计算机可读存储介质中,如ROM/RAM、磁碟、光盘等,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行各个实施例或者实施例的某些部分所述的方法。
最后应说明的是:以上实施例仅用以说明本发明的技术方案,而非对其限制;尽管参照前述实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:其依然可以对前述各实施例所记载的技术方案进行修改,或者对其中部分技术特征进行等同替换;而这些修改或者替换,并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。

Claims (15)

  1. 一种分发CDN地址的方法,其特征在于,所述方法包括:
    与网络中的其他终端节点建立对等网络P2P连接;
    获取其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;
    将获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;
    从所述服务器列表中查找符合预设条件的服务器信息;
    向查找到的服务器信息对应的CDN服务器请求下载数据。
  2. 根据权利要求1所述的方法,其特征在于,所述获取其他终端节点中保存的服务器信息,包括:
    向所述其他终端节点发送询问信息,所述询问信息用于询问与所述其他终端节点连接的CDN服务器的服务器信息;
    接收所述其他终端节点返回的服务器信息。
  3. 根据权利要求1所述的方法,其特征在于,所述服务器信息中还记录有CDN服务器位置以及CDN服务器下载速度;
    所述将获取的服务器信息以及自身连接的CDN服务器的服务器信息记录到服务器列表中,包括:
    计算自身位置相对CDN服务器位置之间的距离;
    根据计算的距离及CDN服务器下载速度,计算所述CDN服务器的指标值;
    按照指标值的大小,在服务器列表中顺序记录各条服务器信息。
  4. 根据权利要求3所述的方法,其特征在于,所述从所述服务器列表中查找符合预设条件的服务器信息,包括:
    若自身默认连接的CDN服务器发生异常无法下载数据,则从所述服务器列表中查找符合预设条件的服务器信息。
  5. 根据权利要求4所述的方法,其特征在于,所述从所述服务器列表中查找符合预设条件的服务器信息,包括:
    按照指标值从大到小的顺序,依次查找预设数量的服务器信息。
  6. 根据权利要求1所述的方法,其特征在于,当向至少两个CDN服务器请求下载数据时,分配每台CDN服务器需要下载的数据段;
    向所述至少两台CDN服务器分别请求下载所述至少两台CDN服务器各自对应的数据段。
  7. 根据权利要求1所述的方法,其特征在于,在所述向查找到的服务器信息对应的CDN服务器请求下载数据之后,所述方法还包括:
    按照预设的时间间隔,获取其他终端节点间的服务器信息;
    根据所述服务器信息,更新所述服务器列表。
  8. 一种分发CDN地址的装置,其特征在于,所述装置包括:
    建立单元,与网络中的其他终端节点建立对等网络P2P连接;
    获取单元,用于获取所述建立单元建立连接的其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;
    记录单元,用于将所述获取单元获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;
    查找单元,用于从所述记录单元记录的服务器列表中查找符合预设条件的服务器信息;
    请求单元,用于向所述查找单元查找到的服务器信息对应的CDN服务器请求下载数据。
  9. 根据权利要求8所述的装置,其特征在于,所述获取单元,包括:
    发送模块,用于向所述其他终端节点发送询问信息,所述询问信息用于询问与所述其他终端节点连接的CDN服务器的服务器信息;
    接收模块,用于接收所述其他终端节点返回的服务器信息。
  10. 根据权利要求8所述的装置,其特征在于,所述获取单元获取的服务器信息中还记录有CDN服务器位置以及CDN服务器下载速度;
    所述记录单元,包括:
    计算模块,用于计算自身位置相对CDN服务器位置之间的距离;
    所述计算模块,还用于根据计算的距离及CDN服务器下载速度,计算所述CDN服务器的指标值;
    记录模块,用于按照所述计算模块计算的指标值的大小,在服务器列表 中顺序记录各条服务器信息。
  11. 根据权利要求10所述的装置,其特征在于,所述查找单元,用于若自身默认连接的CDN服务器发生异常无法下载数据,则从所述服务器列表中查找符合预设条件的服务器信息。
  12. 根据权利要求11所述的装置,其特征在于,所述查找单元,还用于按照指标值从大到小的顺序,依次查找预设数量的服务器信息。
  13. 根据权利要求8所述的装置,其特征在于,所述请求单元,包括:
    分配模块,用于当向至少两个CDN服务器请求下载数据时,分配每台CDN服务器需要下载的数据段;
    请求模块,用于向所述至少两台CDN服务器分别请求下载所述至少两台CDN服务器各自对应的所述分配模块分配的数据段。
  14. 根据权利要求8所述的装置,其特征在于,所述装置还包括:
    所述获取单元,用于在所述请求单元向查找到的服务器信息对应的CDN服务器请求下载数据之后,按照预设的时间间隔,获取其他终端节点间的服务器信息;
    更新单元,用于根据所述获取单元获取的服务器信息,更新所述服务器列表。
  15. 一种分发CDN地址的装置,其特征在于,所述装置包括:
    处理器,和
    存储器,被配置为存储所述处理器的可执行指令;
    所述的处理器被配置为:
    与网络中的其他终端节点建立对等网络P2P连接;
    获取其他终端节点中保存的服务器信息,所述服务器信息用于记录所述其他终端节点默认连接的内容分发网络CDN服务器的网间协议IP地址;
    将获取的服务器信息以及自身默认连接的CDN服务器的服务器信息记录到服务器列表中;
    从所述服务器列表中查找符合预设条件的服务器信息;
    向查找到的服务器信息对应的CDN服务器请求下载数据。
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