CN101252590A - Apparatus, system and method for distributing stream medium content - Google Patents
Apparatus, system and method for distributing stream medium content Download PDFInfo
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- CN101252590A CN101252590A CNA2008101031463A CN200810103146A CN101252590A CN 101252590 A CN101252590 A CN 101252590A CN A2008101031463 A CNA2008101031463 A CN A2008101031463A CN 200810103146 A CN200810103146 A CN 200810103146A CN 101252590 A CN101252590 A CN 101252590A
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Abstract
The invention discloses a stream media content delivery method, the system and the device thereof, used for solving the problem of worse domain name information identification effect of the server for providing the stream media content requested by a user in the existing stream media content delivery technology. The stream media content delivery method provided by the invention includes: receiving the stream media content request sent by the user and obtaining the domain name identification code of the server providing stream media contents; searching the domain name information of the server providing stream media contents and corresponding to the obtained domain name identification code according to the corresponding relationship between the domain name identification code of the server providing stream media contents and the domain name information of the server providing stream media contents; obtaining the stream media content requested by the user from the server providing stream media contents and transmitting the stream media content to the user. The invention is applied for delivering stream media contents to the stream media CDN users.
Description
Technical field
The present invention relates to networking technology area, relate in particular to a kind of method for distributing stream medium content, system and device.
Background technology
In recent years, the Streaming Media application and development has been quickened in popularizing of broadband greatly, and video user enormous amount and growth are very fast, and the market capacity of streaming medium content is also in quick increase.
Traditional directly provides the pattern of streaming media service being faced with serious challenge by ICP (ICP, Internet Content Provider).The ICP server normally at the local physical node set up of or a few, be made up of some streaming media servers or the cluster disposed by each node, directly orients towards the whole country and even the Global Internet user provides streaming media service by these nodes.But, because the network bandwidth of these physical nodes and disposal ability etc. are limited, cause user capture to be experienced and descend, even situation about can't visit occurs.Content distributing network (CDN, Content Distribution Network) be the effective way that addresses these problems, CDN stablizes, efficiently content is distributed to the Internet user from ICP by set up the middle overlay network of one deck on basis, existing the Internet.
In the Streaming Media host-host protocol that existing Streaming Media CDN supports, the part agreement is arranged when user end to server end request content, do not require to need to carry in the request message of client the universal resource locator (URL of ICP server, Uniform Resource Locator), the information such as domain-name information, publishing point that comprises host-host protocol, ICP server among the URL.For example, at the multimedia service (MMS of Microsoft, MicrosoftMedia Server) in the agreement, client is when Streaming Media CDN server requests content, usually can in request message, not carry the domain-name information with the ICP server, thereby cause Streaming Media CDN server can't obtain the domain-name information of client-requested.On same Streaming Media CDN server, provide under the situation of content distribution service for a plurality of ICP servers simultaneously, this Streaming Media CDN server is owing to can't obtain the domain-name information of client-requested, thereby the source (being the ICP server) of content that can't be by the accurate identify customer end request of domain name causes content distribution service can't normally be provided.In order to solve the identification problem of such client-access domain name, as shown in Figure 1, in the existing method for distributing stream medium content, for every Streaming Media CDN server disposes one or more unique IP address, this IP address is used for providing service to the Internet user, the corresponding relation of the IP address of Streaming Media CDN server stores Streaming Media CDN server and the domain-name information of ICP server, the IP address of each Streaming Media CDN server is only corresponding with the domain-name information of unique ICP server, be that the domain-name information of ICP server and the IP address of Streaming Media CDN server are the relations of man-to-man relation or one-to-many, then Streaming Media CDN server specifically comprises to the method for user's distribution flow media content:
Step 101: Streaming Media CDN server receives the streaming medium content request that the user sends, comprising the sign of the streaming medium content of user's request, sign of user or the like.
Step 102: Streaming Media CDN server receives the user when sending the streaming medium content request, searches its own IP address.
Step 103: Streaming Media CDN server is searched the domain-name information of the ICP server of its own IP address correspondence according to the corresponding relation of the domain-name information of its own IP address of storing and ICP server.
Step 104: Streaming Media CDN server is determined the source of the streaming medium content that the user asks according to the domain-name information of the ICP server that finds, thereby the streaming medium content of user's request is taken out and be distributed to the user from the ICP server.
Though this method can solve the identification problem of domain-name information, but still there are the following problems: 1) the IP resource consumption is serious, along with increasing of the ICP number of servers of Streaming Media CDN server service, the quantity of the IP address that needs will sharp increase, thereby causes system extension poor; 2) complicated for the configuration and the management of Streaming Media CDN server and domain name mapping rule, the O﹠M cost height.Therefore, under the continuous condition of enlarged of Streaming Media CDN service scale, this method can not solve the identification problem of client-access domain name well.
In sum, in the existing streaming medium content distribution technology, relatively poor to the recognition effect of the domain-name information of server that the streaming medium content that the user asks is provided.
Summary of the invention
The embodiment of the invention provides a kind of method for distributing stream medium content, system and device, in order to solving in the existing streaming medium content distribution technology, has the relatively poor problem of recognition effect to the domain-name information of server that the streaming medium content that the user asks is provided.
A kind of method for distributing stream medium content that the embodiment of the invention provides comprises:
Receive the streaming medium content request that the user sends, acquisition provides the domain name identification code of the server of described streaming medium content;
According to the domain name identification code of the server that streaming medium content is provided corresponding relation, search the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence of described acquisition with the domain-name information of the server that streaming medium content is provided;
According to the domain-name information that finds, obtain the streaming medium content of user's request from the server that streaming medium content is provided, and streaming medium content is sent to described user.
A kind of streaming medium content dissemination system that the embodiment of the invention provides comprises:
Client is used for indicating the streaming medium content request that sends according to the user; And the streaming medium content of receiving stream media content distributing network CDN server transmission;
Streaming Media CDN server is used to receive the streaming medium content request that described client sends, and acquisition provides the domain name identification code of the server of described streaming medium content; According to the domain name identification code of the server that streaming medium content is provided corresponding relation, search the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence of described acquisition with the domain-name information of the server that streaming medium content is provided; According to the domain-name information that finds, send the streaming medium content request to the server that streaming medium content is provided, and receive the described streaming medium content that the server transmission of streaming medium content is provided, streaming medium content is sent to described client;
The ICP server is used to receive the streaming medium content request that described Streaming Media CDN server sends, and the streaming medium content of described Streaming Media CDN server requests is sent to described Streaming Media CDN server.
A kind of client that the embodiment of the invention provides comprises:
Send request unit, be used for indicating the request of transmission streaming medium content, comprising the domain name identification code of the server that described streaming medium content is provided according to the user;
The received content unit is used for the streaming medium content that receiving stream media content distributing network server sends, and offers described user.
A kind of server that the embodiment of the invention provides comprises:
Receive request unit, be used to receive the streaming medium content request that the user sends, acquisition provides the domain name identification code of the server of described streaming medium content;
Search the unit, be used for according to the domain name identification code of the server that streaming medium content is provided and the corresponding relation of domain-name information of the server that streaming medium content is provided, search the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence of described acquisition;
Send content element, be used for sending the streaming medium content request to the server that streaming medium content is provided, and receive the described streaming medium content that the server transmission of streaming medium content is provided, streaming medium content is sent to described user according to the domain-name information that finds.
A kind of server that the embodiment of the invention provides comprises:
Release unit is used to issue the universal resource locator URL that has the domain name identification code;
Content element is provided, is used for the streaming medium content request that receiving stream media content distributing network server sends, the streaming medium content of described streaming medium content distributing network server requests is sent to described streaming medium content distributing network server.
The embodiment of the invention receives the streaming medium content request that the user sends, and acquisition provides the domain name identification code of the server of described streaming medium content; According to the domain name identification code of the server that streaming medium content is provided corresponding relation, search the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence of described acquisition with the domain-name information of the server that streaming medium content is provided; According to the domain-name information that finds, obtain the streaming medium content of user's request from the server that streaming medium content is provided, and streaming medium content sent to described user, thereby realized discerning among the Streaming Media CDN technical scheme of the corresponding domain-name information of streaming medium content of asking with the user, solved the problem of the domain-name information of identification user request effectively, and avoided the serious consumption of the IP address resource of Streaming Media CDN server in the prior art effectively, had favorable expansibility.
Description of drawings
Fig. 1 is the schematic flow sheet of method for distributing stream medium content of the prior art;
The overall procedure schematic diagram of a kind of method for distributing stream medium content that Fig. 2 provides for the embodiment of the invention;
The idiographic flow schematic diagram of a kind of method for distributing stream medium content that Fig. 3 provides for the embodiment of the invention;
The structural representation of a kind of streaming medium content dissemination system that Fig. 4 provides for the embodiment of the invention;
The structural representation of a kind of client that Fig. 5 provides for the embodiment of the invention;
The structural representation of a kind of Streaming Media CDN server that Fig. 6 provides for the embodiment of the invention;
The structural representation of a kind of ICP server that Fig. 7 provides for the embodiment of the invention.
Embodiment
The embodiment of the invention provides a kind of method for distributing stream medium content, system and device, there is the problem that is difficult to discern the corresponding domain-name information of streaming medium content of asking in order to solve existing streaming medium content distribution technology, avoids the serious consumption of the IP address resource of existing Streaming Media CDN server with the user.
Below in conjunction with accompanying drawing the embodiment of the invention is described.
Referring to Fig. 2, a kind of method for distributing stream medium content that the embodiment of the invention provides totally comprises:
The streaming medium content request that step 201, reception user send, acquisition provides the domain name identification code (CCCode, China Cache Code) of the server of described streaming medium content.
Wherein, CCCode can resolve acquisition by the streaming medium content request that the user is sent, and also can directly obtain by the independent domain name identity code notification message that the user sends.The CCCode that carries in the domain name identity code notification message is the universal resource locator (URL from the streaming medium content of the server issue that streaming medium content is provided, Uniform Resource Locator) obtains in, or the URL of user capture resolved, obtain the domain-name information among this URL, and the acquisition of the corresponding relation of nslookup information and CCCode, preferably, this corresponding relation is to be stored in the client that the user lands.
The domain-name information that step 203, basis find obtains the streaming medium content of user's request from the server that streaming medium content is provided, and streaming medium content is sent to the user.
Wherein, domain name information is the domain-name information of the Data Source of streaming medium content, and the Data Source with streaming medium content in the embodiment of the invention is that the ICP server is that example describes.
The value of CCCode can have multiple, for example: any letter or number; The perhaps combination of letter and numeral; Perhaps the domain name of ICP server is carried out character string that Hash operation obtains or the like.
The domain-name information of the corresponding unique ICP server of each CCCode.The corresponding relation of the domain-name information of CCCode and ICP server can be stored on the Streaming Media CDN server, also can be arranged on separately on one or more server.
The corresponding relation of the domain-name information of CCCode and ICP server can be provided with by the Streaming Media CDN service provider overall situation is unified, and the user can't change; Can certainly be customization according to user's needs, and change according to user's needs.For example, certain user often visits the streaming medium content that certain ICP server provides, then according to these user's needs, Streaming Media CDN service provider is the CCCode of the domain-name information correspondence of this ICP server of this customization, the user is when the URL address of this ICP server of visit, send the streaming medium content request to Streaming Media CDN server, Streaming Media CDN server receives the streaming medium content request that the user sends, and obtain the CCCode that this user sends, the corresponding relation of the CCCode of Streaming Media CDN server basis this customization of storage in advance and the domain-name information of ICP server, search the domain-name information of the pairing ICP server of CCCode of acquisition, thereby respective service is provided.Therefore, domain-name information can corresponding a plurality of CCCode in the embodiment of the invention, can different CCCode be set at different user, also can a plurality of CCCode be set at a user.
Provide more specifically execution mode below.
Referring to Fig. 3, when CCCode is carried by the streaming medium content request of user's transmission, Streaming Media CDN service provider is that the domain-name information of each ICP server of being served generates a domain name identification code CCCode in advance, this CCCode is added on the URL address that the ICP server need issue with the form of URL parameter, and the corresponding relation of the domain-name information of CCCode and ICP server is stored in the Streaming Media CDN server.
A kind of method for distributing stream medium content that the embodiment of the invention provides specifically comprises:
Give an example, the domain name of the ICP server of the streaming medium content that for example provides is abc.com, the original URL of the streaming medium content that this website provides is mms: //abc.com/live, generate CCCode at domain name abc.com in advance, the value of CCCode is taken as " cc1234 "; The URL of ICP server is revised as: mms: //abc.com/live? CCCode=cc1234; The corresponding relation of configuration cc1234 and abc.com on Streaming Media CDN server, so, Streaming Media CDN server comprises to the process of user's distribution flow media content:
Step a, ICP server issue URL, this URL is: mms: //abc.corn/live? CCCode=cc1234.
The URL of step b, the issue of client-access ICP server, client sends the streaming medium content request to Streaming Media CDN server, carries the CCCode parameter in this request.
The request that step c, Streaming Media CDN server are received client, and therefrom take out CCCode, i.e. cc1234.
For example, is the parameter information that comprises in the streaming medium content request that client sends: live? CCCode=cc1234, then Streaming Media CDN server parses CCCode=cc1234 from this parameter information.
Certainly, client also can directly be resolved according to the URL of ICP server issue and be obtained CCCode=cc1234, and the value cc1234 of CCCode is sent to Streaming Media CDN server by the streaming medium content request, and need not resolve by Streaming Media CDN server, Streaming Media CDN server can directly obtain CCCode, and searches corresponding domain-name information.
Steps d, Streaming Media CDN server find out the domain name abc.com of cc1234 correspondence according to the CCCode of storage and the corresponding relation of domain-name information.
Step e, Streaming Media CDN server are according to domain name abc.com, find the ICP server that the streaming medium content that the user asks is provided, and to this ICP server transmission streaming medium content request, after waiting to obtain the streaming medium content data of ICP server transmission, these streaming medium content data are distributed to the user.
If the ICP server is still issued original URL, perhaps client player has been removed the CCCode among the URL for a certain reason, Streaming Media CDN server is when handling the streaming medium content request of client transmission so, search domain-name information in the relevant field of the Streaming Media host-host protocol of employing prior art from this request, if find domain-name information, then handle according to above-mentioned steps e, otherwise denial of service.
Certainly, Streaming Media CDN server of the present invention is when handling the streaming medium content request of client transmission, can at first adopt in the relevant field of the Streaming Media host-host protocol of prior art from this request and search domain-name information, if find domain-name information, then obtain streaming medium content, and this streaming medium content is sent to described user according to this domain-name information; Otherwise, from the streaming medium content request that client sends, resolve and obtain CCCode, and according to the CCCode of self storage and the corresponding relation of the domain-name information of ICP server, search and resolve the domain-name information that obtains the pairing ICP server of CCCode, if find domain-name information, then obtain streaming medium content, and this streaming medium content is sent to the user according to this domain-name information; Do not resolve the domain-name information that obtains the pairing ICP server of CCCode, then denial of service if find.
Present embodiment is only done minor modifications to the URL of ICP server issue, can support client directly to the visit of ICP server, simultaneously can support to adopt prior art that the client-access domain name is discerned, so the embodiment of the invention have good compatibility and flexibility.
When CCCode carried to Streaming Media CDN server by the independent domain name identity code notification message of client transmission, CCCode can be that client obtains from the URL of ICP server issue; Also can be the URL of client according to the streaming medium content of the ICP server issue of user capture, extract domain-name information wherein, and inquire about that the domain-name information of self storage and the corresponding relation of CCCode obtain, that is to say, the CCCode of this moment does not need to be added among the URL, need not the URL of ICP server issue is changed, the corresponding relation of domain-name information and CCCode can be set in client, when the user by this client-access ICP server issue the URL address and send the streaming medium content request after, this client finds and the corresponding CCCode of domain-name information among this URL, this CCCode is sent to Streaming Media CDN server by domain name identity code notification message, the CCCode that Streaming Media CDN server sends according to client, find the domain-name information corresponding with this CCCode, and find the ICP server according to this domain-name information, the streaming medium content of user's request is taken out and sends to this user from the ICP server.
Certainly, client can be directly resolved the URL of user capture, obtains domain-name information wherein, and directly this domain-name information is sent to Streaming Media CDN server, Streaming Media CDN server is directly searched corresponding ICP server according to this domain-name information, and respective service is provided.
Perhaps, client directly sends to Streaming Media CDN server with the URL of user capture, by Streaming Media CDN server URL is resolved, and obtains the domain-name information among this URL, searches corresponding ICP server according to this domain-name information, and respective service is provided.
Preferably, the corresponding relation of the domain-name information of CCCode described in the embodiment of the invention and ICP server can be updated at any time or periodically, for example, when the domain-name information of ICP server changes, when perhaps having increased with it the CCCode of corresponding customization newly, all need the corresponding relation of the domain-name information of the CCCode that stored and ICP server is upgraded at the domain-name information of a certain ICP server.
Introduce the device that the embodiment of the invention provides below.
Referring to Fig. 4, a kind of streaming medium content dissemination system that the embodiment of the invention provides comprises:
Streaming Media CDN server 402 is used to receive the streaming medium content request that described client 401 sends, and obtains the domain name identification code of ICP server 403; According to the domain name identification code that sets in advance and the corresponding relation of domain-name information, search the domain-name information of ICP server 403 of the domain name identification code correspondence of ICP server 403; According to the domain-name information of the ICP server 403 that finds, send the streaming medium content request to ICP server 403, and receive the streaming medium content that ICP server 403 sends, this streaming medium content is sent to client 401.
Preferably, referring to Fig. 5, described client 401 comprises:
Send request unit 4011, be used for indicating according to the user URL of visit ICP server 403 issues, co-current flow medium CDN server 402 sends the streaming medium content request, comprising the domain name identification code.
Preferably, referring to Fig. 6, Streaming Media CDN server 402 comprises:
Receive request unit 4021, be used to receive the streaming medium content request that the user sends, obtain the domain name identification code of ICP server 403.
Search unit 4022, be used for, search the domain-name information of ICP server 403 of the domain name identification code correspondence of ICP server 403 according to the domain name identification code that sets in advance and the corresponding relation of domain-name information.
Send content element 4023, be used for domain-name information, send the streaming medium content request, and receive the streaming medium content that ICP server 403 sends, this streaming medium content is sent to the user to ICP server 403 according to the ICP server 403 that finds.
Preferably, Streaming Media CDN server 402 also comprises:
Memory cell 4024 is used to store the corresponding relation of domain name identification code and domain-name information.
Preferably, referring to Fig. 7, ICP server 403 comprises:
In sum, the embodiment of the invention has realized a kind of scheme that is used for to Streaming Media CDN user distribution flow media content by the corresponding relation of domain name identification code and domain-name information is set.By adopting the domain name identification code to solve the identification problem of client-access domain name effectively, avoided the serious consumption of prior art simultaneously to the IP address of Streaming Media CDN server, have favorable expansibility.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (10)
1, a kind of method for distributing stream medium content is characterized in that, this method comprises:
Receive the streaming medium content request that the user sends, acquisition provides the domain name identification code of the server of described streaming medium content;
According to the domain name identification code of the server that streaming medium content is provided corresponding relation, search the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence of described acquisition with the domain-name information of the server that streaming medium content is provided;
According to the domain-name information that finds, obtain the streaming medium content of user's request from the server that streaming medium content is provided, and streaming medium content is sent to described user.
2, method according to claim 1, it is characterized in that, when the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence that does not find described acquisition according to described corresponding relation, the relevant field of the Streaming Media host-host protocol from the streaming medium content request that described user sends is searched domain-name information, obtain streaming medium content according to the domain-name information that finds, and this streaming medium content is sent to described user.
3, method according to claim 1, it is characterized in that, the domain name identification code obtains from described streaming medium content request, and the domain name identification code of carrying in the described streaming medium content request is to obtain from the universal resource locator URL of the streaming medium content of the server issue that streaming medium content is provided.
4, method according to claim 1 is characterized in that, the method for described acquisition domain name identification code comprises:
Receive the user and sending the domain name identity code notification message that sends after the streaming medium content request;
From domain name identity code notification message, obtain the domain name identification code.
5, method according to claim 4, it is characterized in that, the domain name identification code of carrying in the domain name identity code notification message is to obtain from the universal resource locator URL of the streaming medium content of the server issue that streaming medium content is provided, or resolve by URL to user capture, obtain the domain-name information among this URL, and the acquisition of the corresponding relation of nslookup information and domain name identification code.
6, a kind of streaming medium content dissemination system is characterized in that, this system comprises:
Client is used for indicating the streaming medium content request that sends according to the user; And the streaming medium content of receiving stream media content distributing network CDN server transmission;
Streaming Media CDN server is used to receive the streaming medium content request that described client sends, and acquisition provides the domain name identification code of the server of described streaming medium content; According to the domain name identification code of the server that streaming medium content is provided corresponding relation, search the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence of described acquisition with the domain-name information of the server that streaming medium content is provided; According to the domain-name information that finds, send the streaming medium content request to the server that streaming medium content is provided, and receive the described streaming medium content that the server transmission of streaming medium content is provided, streaming medium content is sent to described client;
The ICP server is used to receive the streaming medium content request that described Streaming Media CDN server sends, and the streaming medium content of described Streaming Media CDN server requests is sent to described Streaming Media CDN server.
7, a kind of client is characterized in that, this client comprises:
Send request unit, be used for indicating the request of transmission streaming medium content, comprising the domain name identification code of the server that described streaming medium content is provided according to the user;
The received content unit is used for the streaming medium content that receiving stream media content distributing network server sends, and offers described user.
8, a kind of server is characterized in that, this server comprises:
Receive request unit, be used to receive the streaming medium content request that the user sends, acquisition provides the domain name identification code of the server of described streaming medium content;
Search the unit, be used for according to the domain name identification code of the server that streaming medium content is provided and the corresponding relation of domain-name information of the server that streaming medium content is provided, search the domain-name information of the server that streaming medium content is provided of the domain name identification code correspondence of described acquisition;
Send content element, be used for sending the streaming medium content request to the server that streaming medium content is provided, and receive the described streaming medium content that the server transmission of streaming medium content is provided, streaming medium content is sent to described user according to the domain-name information that finds.
9, server according to claim 8 is characterized in that, this server also comprises:
Memory cell is used to store described corresponding relation.
10, a kind of server is characterized in that, this server comprises:
Release unit is used to issue the universal resource locator URL that has the domain name identification code;
Content element is provided, is used for the streaming medium content request that receiving stream media content distributing network server sends, the streaming medium content of described streaming medium content distributing network server requests is sent to described streaming medium content distributing network server.
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| CN102801810A (en) * | 2012-08-24 | 2012-11-28 | 乐视网信息技术（北京）股份有限公司 | Method for hiding URL (Uniform Resource Locator) in content delivery network |
| CN102904906A (en) * | 2012-11-14 | 2013-01-30 | 无锡德思普科技有限公司 | Internet-based controllable pushing and playing system with key coupling function and working method for system |
| CN103237270A (en) * | 2013-05-09 | 2013-08-07 | 黄孙明 | Video streaming media system and method capable of interacting with network |
| CN104065665A (en) * | 2014-07-02 | 2014-09-24 | 深圳深讯和科技有限公司 | Streaming media data processing method and streaming media data processing system |
| CN105872577A (en) * | 2015-12-01 | 2016-08-17 | 乐视云计算有限公司 | Method, device and system for obtaining video data |
| WO2017092311A1 (en) * | 2015-12-01 | 2017-06-08 | 乐视控股（北京）有限公司 | Video data acquisition method, device and system |
| CN105635175A (en) * | 2016-02-04 | 2016-06-01 | 北京奇艺世纪科技有限公司 | Load balancing method and system of RTMP streaming server |
| CN105635175B (en) * | 2016-02-04 | 2018-11-06 | 北京奇艺世纪科技有限公司 | A kind of load-balancing method and system of RTMP streaming servers |
| CN115499430A (en) * | 2021-06-02 | 2022-12-20 | 北京金山云网络技术有限公司 | Cluster access method and device and electronic equipment |
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