CN103222312A - Method and related apparatus for transmitting media content - Google Patents

Method and related apparatus for transmitting media content Download PDF

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Publication number
CN103222312A
CN103222312A CN2011800026896A CN201180002689A CN103222312A CN 103222312 A CN103222312 A CN 103222312A CN 2011800026896 A CN2011800026896 A CN 2011800026896A CN 201180002689 A CN201180002689 A CN 201180002689A CN 103222312 A CN103222312 A CN 103222312A
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China
Prior art keywords
content
domain name
address
user terminal
service
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李金成
和晓艳
唐廷芳
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/16—Discovering, processing access restriction or access information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L61/00—Network arrangements, protocols or services for addressing or naming
    • H04L61/30—Managing network names, e.g. use of aliases or nicknames

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Computer Security & Cryptography (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

A method and related apparatus for transmitting media content. The method comprises: a first content distribution network receiving a first content request sent by a user terminal, the first content request carrying a play domain name of a content provider; the first content distribution network acquiring a virtual domain name corresponding to the play domain name; the first content distribution network returning a first content request response to the user terminal, the first content request response carrying the virtual domain name, and the first content request response being used to instruct the user terminal to use the virtual domain name to request the media content provided by the content provider from a second content distribution network.

Description

The transmission method and relevant apparatus of a kind of media content
The transmission method and relevant apparatus technical field of a kind of media content
The present embodiments relate to the transmission method and relevant apparatus of the communications field, more particularly to a kind of media content.
Background technology
In the application of old internet, content supplier is in order to extend the data service of oneself（Such as business of networking, video traffic etc.）, substantial amounts of server is often disposed, is accessed for user.With increasing for Operational Visit, the pattern of this large amount of deployment services devices exposes some problems：First, these servers are often deployed in the higher position of network（Such as backbone layer, convergence-level etc.）, to reach larger coverage, but when mass users are accessed, cause the bandwidth of backbone layer and convergence-level to be taken by substantial amounts of, the network bandwidth posed a big pressure；Secondly as server location is in higher level, user's request has compared with long time delay, causes Consumer's Experience undesirable.
In view of the above-mentioned problems, occurring in that independent content distributing network in the prior art（CDN, Content Delivery Network) system.CDN service provider deposits the CDN system that node is constituted by disposing a large amount of edge Slow in network edge, and service is provided the user nearby, so that the saving network bandwidth is reached, the purpose of lifting customer service experience.Meanwhile, telecom operators also begin to oneself deployment CDN system, on the one hand accelerate for the business of oneself, while other guide provider can be supplied to use.The appearance of CDN system so that content supplier can only dispose a small amount of source server, it is possible to which finishing service is provided.Meanwhile, when the growth of number of users, content supplier need not carry out the network capacity extension, and transfer to CDN system to be responsible for processing business flow.
CDN service provider, telecom operators plan according to the business development of oneself, select in different area deployment CDN systems.Coverage is different between the CDN system of each producer, while there may be the overlapping of overlay area.But current CDN system is not standardized also, and the CDN system of each producer establishes one's own system, each other independent work, does not cooperate.Ability can not be complementary between now causing each CDN system.Such as, CDN1 covers Beijing, Shanghai；CDN2 covers Xi'an, Shenzhen.If now some content supplier wishes that user of its content on Beijing, Shanghai, Xi'an, the ground of Shenzhen four can access.Then CDN1 or CDN2 can not individually meet the requirement of the content supplier.
In the prior art, it can realize that the ability between CDN system is mutual by the intercommunication of CDN system The functions such as load sharing when benefit, the extension of covering power, and CDN system flow increase；For example, the CDN1 main CDN for the signing of direct and content supplier, CDN2 are the intercommunication CDN contracted with CDN1;In the media content that user terminal is provided to CDN1 request contents provider, CDN1 will return to CDN2 internet protocol according to the acceleration services of the local service strategy selection CDN2 media contents provided for user terminal, CDN1（IP, Internet Protocol) address；Then, user terminal directly will ask the media content according to the IP address to CDN2.
Although such scheme realizes the intercommunication between CDN system, but, when user terminal is asked to CDN2 transmission contents, the broadcasting domain name of content supplier is usually contained in the content requests, and the broadcasting domain name can be related to the relevant information of content supplier, the commercial relations between CDN1 and content supplier are caused to reveal, i.e. the CDN2 that CDN1 is often not intended to intercommunication passes through the relevant information of itself acquisition content supplier.
The content of the invention
The embodiments of the invention provide a kind of transmission method of media content and relevant apparatus, the transmission of media content is carried out for the intercommunication by content distributing network, but without the shared of content provider information.
The transmission method for the media content that the present invention is provided, including：First content distribution network receives the first content request that user terminal is sent, and the first content request carries the broadcasting domain name of content supplier；The first content distribution network obtains the corresponding virtual Domain Name of the broadcasting domain name；The first content distribution network returns to first content request to the user terminal and responded, the first content request response carries the virtual Domain Name, and the first content request response is used for the media content for indicating that the user terminal asks the content supplier to provide using the virtual Domain Name to the second content distributing network.
The transmission method for the media content that the present invention is provided, including：User terminal sends first content request to first content distribution network, and the first content request carries the broadcasting domain name of content supplier；The user terminal receives first content request response, and asks the media content that the virtual Domain Name carried in response asks the content supplier to provide to the second content distributing network using the first content.
The transmission method for the media content that the present invention is provided, including：First content distribution network configures virtual Domain Name for the broadcasting domain name of content supplier；The first content distribution network sends the virtual Domain Name to the content supplier, so that the content supplier replaces the broadcasting domain name using the virtual Domain Name, and user terminal is caused to be asked to obtain media content to the second content distributing network transmission content according to the virtual Domain Name. The content distributing network that the present invention is provided, including：First receiving unit, the first content request for receiving user terminal transmission, the first content request carries the broadcasting domain name of content supplier；First acquisition unit, for obtaining the corresponding virtual Domain Name of broadcasting domain name in the first content request；First returning unit, responded for returning to first content request to the user terminal, the first content request response carries the virtual Domain Name, and the first content request response is used for the media content for indicating that the user terminal asks the content supplier to provide using the virtual Domain Name to the content distributing network of intercommunication.
The user terminal that the present invention is provided, including：First request transmitting unit, for sending first content request to first content distribution network, the first content request carries the broadcasting domain name of content supplier；Receiving unit is responded, for receiving first content request response, virtual Domain Name is carried in the first content request response；Contents request module, for asking the media content that the content supplier provides to the second content distributing network using the virtual Domain Name.
The content distributing network that the present invention is provided, including：Dispensing unit, for configuring virtual Domain Name for the broadcasting domain name of content supplier；Domain name transmitting element, for sending the virtual Domain Name to the content supplier, so that the content supplier replaces the broadcasting domain name using the virtual Domain Name, and user terminal is asked to obtain media content according to the virtual Domain Name to the content distributing network transmission content of intercommunication.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：In embodiments of the present invention, first content distribution network is after the first content request that user terminal is sent is obtained, first content request response is returned to the user terminal, indicate that the user terminal replaces the broadcasting domain name of content supplier using virtual Domain Name, and the media content that the content supplier provides is asked to the second content distributing network using the virtual Domain Name；So as to conceal the broadcasting domain name of content supplier to the second content distributing network, realize the transmission that media content is carried out by the intercommunication of content distributing network, but without the shared of content provider information, it is therefore prevented that the leakage of commercial relations between first content distribution network and content supplier.
Brief description of the drawings
Fig. 1 is one embodiment schematic diagram of the transmission method of media content of the present invention；
Fig. 2 is another embodiment schematic diagram of the transmission method of media content of the present invention；
Fig. 3 is another embodiment schematic diagram of the transmission method of media content of the present invention；
Fig. 4 is another embodiment schematic diagram of the transmission method of media content of the present invention；
Fig. 5 is another embodiment schematic diagram of the transmission method of media content of the present invention；
Fig. 6 is another embodiment schematic diagram of the transmission method of media content of the present invention； Fig. 7 is a structural representation of present invention distribution network；
Fig. 8 is a structural representation of user terminal of the present invention；
Fig. 9 is a structural representation of present invention distribution network.
Embodiment
The embodiments of the invention provide a kind of transmission method of media content and relevant apparatus, the transmission of media content is carried out for the intercommunication by content distributing network, but without the shared of content provider information.
Fig. 1 is referred to, one embodiment of the transmission method of media content of the present invention includes：
101st, first content distribution network receives the first content request that user terminal is sent；
First content distribution network receives the first content request that user terminal is sent, and the first content request carries the broadcasting domain name of content supplier；First content request can obtain (HTTP Get for HTTP in actual applications, HyperText Transfer Protocol Get) message, for the media content provided to first content distribution network request content provider；The broadcasting domain name can be the domain name of content supplier, or the certain domain name specified by content supplier.
In actual applications, content supplier has signed service agreement with first content distribution network, provides the acceleration service of media content for the content supplier by first content distribution network；Therefore, when user terminal is in the broadcasting domain name answered, user terminal passes through the broadcasting inquiry of the domain name to the IP address that first class services content distributing network is provided for the content supplier again, and first content request is sent to first content distribution network according to the IP address, wherein, the IP address of the first content distribution network can be the IP address of routing node in first content distribution network（The follow-up routing address for being referred to as first content distribution network）, or the IP address of service node in first content distribution network（The follow-up address of service for being referred to as first content distribution network）.
102nd, first content distribution network, which is obtained, plays the corresponding virtual Domain Name of domain name；
First content distribution network obtains the corresponding virtual Domain Name of broadcasting domain name of content supplier, can also store the broadcasting domain name and the mapping relations of the virtual Domain Name.
In actual applications, the corresponding virtual Domain Name of broadcasting domain name of first content distribution network acquisition content supplier is specifically as follows：Virtual Domain Name is locally configured for the broadcasting domain name by first content distribution network, first content distribution network directly preserves the mapping relations for playing domain name and virtual Domain Name；Or, it is that the broadcasting domain name distributes domain name identification by first content distribution network, then the domain name identification is sent to the second content distributing network, it is that the domain name identification configures virtual Domain Name by the second content distributing network, and the virtual Domain Name is returned to First content distribution network, and first content distribution network then preserves broadcasting domain name and domain name identification, and domain name identification and two groups of mapping relations of virtual Domain Name, can be obtained playing domain name and the mapping relations of virtual Domain Name according to this two groups of mapping relations.
103rd, first content distribution network returns to first content request to user terminal and responded.
First content distribution network returns to first content request to user terminal and responded, and the first content request response is used for the media content that indicating user terminal uses above-mentioned virtual Domain Name to be provided to the second content distributing network request content provider.
In actual applications, user terminal is after above-mentioned first content request response is received, ask the virtual Domain Name carried in response to replace original broadcasting domain name using first content, and the media content that the second content request message request content provider provides is sent to the second content distributing network using the virtual Domain Name.Above-mentioned first content request response is specifically as follows redirection message, can also be other message with domain name replacement function, depending on the type of message that first content request response is implemented can be according to actual conditions, be not construed as limiting herein.
In embodiments of the present invention, first content distribution network is after the first content request that user terminal is sent is obtained, first content request response is returned to the user terminal, indicate that the user terminal replaces the broadcasting domain name of content supplier using virtual Domain Name, and the media content that the content supplier provides is asked to the second content distributing network using the virtual Domain Name；So as to conceal the broadcasting domain name of content supplier to the second content distributing network, it is therefore prevented that the leakage of commercial relations between first content distribution network and content supplier.
In actual applications, the domain name service that user terminal is initiated（DNS, Domain Name Service) ask to be handled by first content distribution network, there may also be DNS proxy to be handled, the scene handled below with first content distribution network is described, referring to Fig. 2, another embodiment of the transmission method of media content of the present invention includes：
201st, first content distribution network receives the first Domain Name Service requests that user terminal is sent；When user determines to obtain media content, user terminal is clicked in the portal website of content supplier after corresponding media content, the corresponding broadcasting domain name of the media content will be got, user terminal passes through the IP address of the broadcasting inquiry of the domain name to the first content distribution network that service is provided for the content supplier again, user terminal is in order to inquire about the IP address of first content distribution network, it is necessary to be determined by DNS query；First content distribution network receives the broadcasting domain name that content supplier is carried in the first DNS request that user terminal is sent, first DNS request, and first DNS request is used to inquire about broadcasting domain name correspondence IP address. Specifically, in actual applications, user terminal clicks corresponding media content in the portal website of content supplier, the corresponding broadcasting domain name of the media content will be got, user terminal sends the first DNS request according to the broadcasting inquiry of the domain name, inquires about the corresponding IP address of the broadcasting domain name.
202nd, first content distribution network judges to play whether domain name needs to be hidden；
First content distribution network judges whether above-mentioned broadcasting domain name needs to be hidden, if, then perform step 203, the IP address of first content distribution network is returned to user terminal, it is to avoid the user terminal directly plays the corresponding media content of domain name using the broadcasting domain name to the request of the second content distributing network is described；If it is not, then performing step 210, the IP address of the second content distributing network is directly returned to user terminal.
In actual applications, first content distribution network is not necessarily required to play out all content suppliers hiding for domain name, and therefore, whether first content distribution network can need to be hidden to judge according to preset condition to above-mentioned broadcasting domain name.For example, first content distribution network can be according to preset strategy（Such as the covering power or load condition of first content distribution network）Judge whether the intercommunication for needing to carry out content distributing network, if need not, hiding for domain name need not then be played out, if desired, then continue to judge whether the corresponding content supplier of broadcasting domain name and the commercial relations of first content distribution network belong to need for confidentiality（Specifically, can in first content distribution network the content supplier of preset need for confidentiality list）If, need not, hiding for domain name need not be played out, if desired, then trigger the flow for hiding the broadcasting domain name.
203rd, first content distribution network returns to address of service or routing address to user terminal；
When confirming to need to be hidden the broadcasting domain name, first content distribution network returns to address of service or the routing address of first content distribution network to user terminal so that user terminal sends first content according to the address of service of first content distribution network or routing address and asked.
In embodiments of the present invention, due to first content distribution network need return be DNS request（For inquiring about IP address）Response, therefore, the address of service returned in step 203 or routing address are IP addresses.
Specifically, if the service node of first content distribution network has redirection function, what first content distribution network was returned can be address of service or routing address（Routing node is with redirection function）, and actually return is that address of service or routing address can be determined according to first content distribution network or the demand of user terminal, is not construed as limiting herein.
204th, first content distribution network receives the first content request that user terminal is sent；
First content distribution network receives address of service of the user terminal according to the first content distribution network Or the first content that the routing address of first content distribution network is sent is asked, the first content request carries the broadcasting domain name of content supplier.
In actual applications, user terminal is received after the address of service of first content distribution network or the routing address of first content distribution network of the return of first content distribution network, if it is address of service that user terminal, which is received, directly according to the address of service, into first content distribution network, corresponding service node sends first content request to user terminal；If it is that after corresponding routing node receives first content request in routing address, first content distribution network, first content distribution network returns to terminal and redirects message that user terminal, which is received,（The address of service of first content distribution network is carried in the redirection message）So that the address of service that user terminal is carried into the redirection message sends first content request again.
205th, first content distribution network, which is obtained, plays the corresponding virtual Domain Name of domain name；
First content distribution network obtains the corresponding virtual Domain Name of broadcasting domain name of content supplier, and stores the broadcasting domain name and the mapping relations of the virtual Domain Name.
Optionally, the corresponding virtual Domain Name of domain name configuration can be played by first content distribution network；Specifically, for the ease of the second content distributing network Shi Do, and be easy to map playing domain name, the virtual Domain Name configured can include the relevant information of first content distribution network, or first content distribution network is the identification information that corresponding content supplier distributes, the relevant information of the first content distribution network can include：The mark of first content distribution network（It can be specifically the title of first content distribution network）, or the mark that first content distribution network is distributed for the broadcasting domain name of content supplier；For example, assuming that first content distribution network is operator akamai, it is then that some virtual Domain Name for playing domain name generation can be 1234.cdn.akamai.com, wherein, " 1234 " can be the identification information that first content distribution network is content supplier's distribution, and the specific form of virtual Domain Name can be determined by akamai oneself.Mapping between broadcasting domain name video.cp.com and virtual Domain Name the 1234.cdn.akamai .com of content supplier for convenience, virtual Domain Name can also be 10.1234.cdn.akamai.com, wherein " 10 " represent the numbering of some broadcasting domain name of content supplier（Such as, the content supplier and first content distribution network have been contracted multiple acceleration domain names）.
Optionally, can also be that the domain name identification configures virtual Domain Name by the second content distributing network；Specifically, it is that the broadcasting domain name distributes domain name identification by first content distribution network, the domain name identification is sent to the second content distributing network again, it is that the domain name identification configures virtual Domain Name by the second content distributing network, and the virtual Domain Name is returned into first content distribution network, and first content distribution network then preserves broadcasting domain name and domain name identification, and domain name identification and two groups of mapping relations of virtual Domain Name, it can be obtained according to this two groups of mapping relations Play domain name and the mapping relations of virtual Domain Name.
In actual applications, above-mentioned steps 205 and step 203,204 are without strict orbution, it can first obtain the corresponding virtual Domain Name of broadcasting domain name of content supplier, return again to address of service or the routing address of first content distribution network, or the first content request of user terminal transmission is received again, the execution order of step 205 is not defined specifically herein.
206th, first content distribution network returns to first content request to user terminal and responded；
First content distribution network returns to first content request to user terminal and responded, and the first content request response is used for the media content that indicating user terminal uses above-mentioned virtual Domain Name to be provided to the second content distributing network request content provider.
207th, first content distribution network receives the second DNS request that user terminal is sent；
First content distribution network receives the second DNS request that user terminal is sent, and second DNS request is used to inquire about the IP address corresponding to above-mentioned virtual Domain Name；Specifically, because first content distribution network indicates user terminal when asking the media content to the second content distributing network, the broadcasting domain name is hidden, therefore, the IP address corresponding to the virtual Domain Name is the IP address for obtaining the media content.
After user terminal receives the first content request response, the media content that above-mentioned virtual Domain Name should be used to be provided to the second content distributing network request content provider, but, because user terminal directly can not find the second content distributing network according to the virtual Domain Name, accordingly, it would be desirable to send the second DNS request to first content distribution network.
208th, first content distribution network obtains address of service or the routing address of the second content distributing network according to the second DNS request；
First content distribution network obtains address of service or the routing address of the second content distributing network according to above-mentioned second DNS request.Specifically, determining that first content distribution network can be according to preset strategy when needing to provide service by the second content distributing network for content supplier in first content distribution network（Such as, the covering power or load condition of content distributing network) select the second content distributing network to provide service for user terminal, so establishing the mapping relations of above-mentioned broadcasting domain name and the second content distributing network, and above-mentioned steps 205 store the broadcasting domain name and the mapping relations of the virtual Domain Name, therefore, the virtual Domain Name has indirect mapping relations with second content distributing network, after first content distribution network receives above-mentioned second DNS request, the address of service of virtual Domain Name the second content distributing network of acquisition that can be in the second DNS request or routing address. Specifically, first content distribution network can send address request to the second content distributing network, (in actual applications, the address request can be DNS message）, above-mentioned virtual Domain Name can be carried in the address request；Second content distributing network returns to address of service or the routing address of the second content distributing network to first content distribution network after the address request is received.
Optionally, after the second content distributing network receives the address request, the virtual Domain Name that first content request is carried can be extracted, in order to subsequently received user terminal send the second content requests when, be confirmed whether the acceleration service for needing to provide media content for the user terminal by the virtual Domain Name.Optionally, second content distributing network can also be when being contracted with first content distribution network, consult service identifiers, when configuring above-mentioned virtual Domain Name, the service identifiers can be carried in the virtual Domain Name, so that subsequently received user terminal send the second content requests when, can be to know the virtual Domain Name carried in Do second content requests；Optionally, first content distribution network can also be postponed completing matching somebody with somebody for the virtual Domain Name, individually the virtual Domain Name is sent to the second content distributing network, in order to subsequently received user terminal send the second content requests when, be confirmed whether the acceleration service for needing to provide media content for the user terminal by the virtual Domain Name.（In embodiments of the present invention, if carrying out the configuration of virtual Domain Name by the second content distributing network, then optional step described in this paragraph need not be performed. )
209th, first content distribution network sends address of service or the routing address of the second content distributing network to user terminal；
First content distribution network sends address of service or the routing address of the second content distributing network to user terminal, user terminal is allowd to send the second content requests to the address of service of the second content distributing network or routing address, to obtain the media content of content supplier's offer, flow terminates.
Optionally, if virtual Domain Name is configured by the second content distributing network, then above-mentioned second DNS request is then destined to the second content distributing network, that is, the flow (step 207 to 209) for returning to the IP address corresponding to virtual Domain Name is handled by the second content distributing network end.
After user terminal gets address of service or the routing address of the second content distributing network, user terminal just can ask media content to the second content distributing network.
210th, first content distribution network obtains address of service or the routing address of the second content distributing network；When first content distribution network determines that then first content distribution network is according to preset strategy when whether need not need to be hidden to above-mentioned broadcasting domain name（Such as, the covering power or load condition of content distributing network) select the second content distributing network to provide service for user terminal. Specifically, first content distribution network can send address request to the second content distributing network, second content distributing network returns to address of service or the routing address of the second content distributing network to first content distribution network, and the address of service or routing address are all IP address（Due to first content distribution network to user terminal need return be DNS request response）.
211st, first content distribution network returns to address of service or the routing address of the second content distributing network to user terminal.
First content distribution network returns to the response message of DNS request to user terminal, address of service or the routing address of the second content distributing network got in above-mentioned steps 210 are carried in the response message of the DNS request, user terminal is allowd to send the second content requests to the address of service of the second content distributing network or routing address, to obtain the media content of content supplier's offer.
In an embodiment of the present invention, according to the demand of each network element, the address that each network element is returned can be address of service or routing address, if address of service, then the corresponding service node in address of service can be operated directly accordingly according to received message；If routing address, then the corresponding routing node of routing address can return to the transmission network element of message and redirect message（Redirect in message and carry address of service）So that the address of service that the transmission network element of message is carried to redirecting in message sends the message again；The description of step 204 can be specifically referred to, step is repeated herein.Also, address of service and routing address can show as domain name or IP address, and specifically domain name or IP address can be also not construed as limiting depending on the demand according to returned message herein.
The embodiment of the present invention adds the judgment mechanism of " whether needing progress domain name to hide ", so that when carrying out the transmission of media content, first content distribution network only performs the hiding step of domain name to the content supplier that progress domain name in need is hidden, so as to save unnecessary expense.
The hiding scene of dynamic implement domain name is described first content distribution network during route by way of agency below, refers to Fig. 3, another embodiment of the transmission method of media content of the present invention includes：
301st, first content distribution network receives the first content request that user terminal is sent；
First content distribution network receives the first content request that user terminal is sent, and the first content request carries the broadcasting domain name of content supplier.
In embodiments of the present invention, the DNS request that user terminal is initiated is handled by DNS proxy, and DNS agency's processing returns to the routing address of first content distribution network to user terminal, and then basis should for user terminal Routing address initiates first content request to first content distribution network.
302nd, first content distribution network judges to play whether domain name needs to be hidden；
First content distribution network judges whether above-mentioned broadcasting domain name needs to be hidden, if so, step 303 is then performed, if it is not, then performing step 308.
In actual applications, first content distribution network is not necessarily required to play out all content suppliers hiding for domain name, and therefore, whether first content distribution network can need to be hidden to judge according to preset condition to above-mentioned broadcasting domain name.For example, first content distribution network can be according to preset strategy（Such as the covering power or load condition of first content distribution network）Judge whether the intercommunication for needing to carry out content distributing network, if need not, hiding for domain name need not then be played out, if desired, then continue to judge whether the corresponding content supplier of broadcasting domain name and the commercial relations of first content distribution network belong to need for confidentiality（Specifically, can in first content distribution network the content supplier of preset need for confidentiality list）If, need not, hiding for domain name need not be played out, if desired, then trigger the flow for hiding the broadcasting domain name.
303rd, first content distribution network, which is obtained, plays the corresponding virtual Domain Name of domain name；
When first content distribution network determines to need that whether above-mentioned broadcasting domain name is needed to be hidden, first content distribution network obtains the corresponding virtual Domain Name of broadcasting domain name of content supplier, and stores the broadcasting domain name and the mapping relations of the virtual Domain Name.
In actual applications, the corresponding virtual Domain Name of broadcasting domain name of first content distribution network acquisition content supplier is specifically as follows：Virtual Domain Name is locally configured for the broadcasting domain name by first content distribution network, first content distribution network directly preserves the mapping relations for playing domain name and virtual Domain Name；Or, it is that the broadcasting domain name distributes domain name identification by first content distribution network, the domain name identification is sent to the second content distributing network again, it is that the domain name identification configures virtual Domain Name by the second content distributing network, and the virtual Domain Name is returned into first content distribution network, and first content distribution network then preserves broadcasting domain name and domain name identification, and domain name identification and two groups of mapping relations of virtual Domain Name, it can be obtained playing domain name and the mapping relations of virtual Domain Name according to this two groups of mapping relations.
304th, first content distribution network replaces the broadcasting domain name in first content request using virtual Domain Name；First content distribution network replaces the broadcasting domain name in first content request using the above-mentioned virtual Domain Name got.
Specifically, first content distribution network can delete the broadcasting domain name in first content request, replaced using the above-mentioned virtual Domain Name got；And first content distribution network can also change request content, e.g., Increase the information such as the IP address of user terminal.
305th, first content distribution network sends the first content request played after domain name is replaced to the second content distributing network；
First content distribution network sends the first content request played after domain name is replaced to the second content distributing network so that the second content distributing network returns to the address of service that the second content distributing network is returned.Specifically, determining that first content distribution network can be according to preset strategy when needing to provide service by the second content distributing network for content supplier in first content distribution network（Such as, the covering power or load condition of content distributing network）The second content distributing network is selected to provide service for user terminal, so establishing the mapping relations of above-mentioned broadcasting domain name and the second content distributing network, and above-mentioned steps 303 store the broadcasting domain name and the mapping relations of the virtual Domain Name, therefore, the virtual Domain Name has indirect mapping relations with second content distributing network, and first content distribution network can be according to the indirect mapping relationship searching to corresponding second content distributing network of the virtual Domain Name.
In embodiments of the present invention, first content distribution network has acted on behalf of the function that user terminal carries out address of service inquiry, directly after first content request is received, the content of modification first content request（Original broadcasting domain name is substituted for virtual Domain Name）Then the first content after domain name replacement is forwarded to ask to the second content distributing network, so that the second content distributing network directly returns to the address of service of the second content distributing network return, it is to avoid user terminal carries out the inquiry of address of service to virtual Domain Name, saves internetwork expense.
After the second content distributing network receives above-mentioned first content request, the virtual Domain Name that first content request is carried can be extracted, in order to subsequently received user terminal send the second content requests when, be confirmed whether the acceleration service for needing to provide media content for the user terminal by the virtual Domain Name.
306th, first content distribution network receives the address of service that the second content distributing network is returned；First content distribution network receives the address of service for the second content distributing network that the second content distributing network is returned.
307th, first content distribution network returns to first content request to user terminal and responded；
First content distribution network returns to first content request to user terminal and responded, and flow terminates；The address of service of second content distributing network is carried in the first content request response so that user terminal sends the second content requests to the address of service of the second content distributing network, to obtain the media content of content supplier's offer.
308th, first content distribution network obtains the address of service of the second content distributing network； When first content distribution network determines that then first content distribution network is according to preset strategy when whether need not need to be hidden to above-mentioned broadcasting domain name（Such as, the covering power or load condition of content distributing network) select the second content distributing network to provide service for user terminal.
Specifically, first content distribution network can send address request to the second content distributing network, the second content distributing network returns to the address of service of the second content distributing network to first content distribution network, and the address of service is IP address（Due to first content distribution network to user terminal need return be DNS request response）.
309th, first content distribution network returns to the address of service of the second content distributing network to user terminal.First content distribution network returns to the response message of DNS request to user terminal, the address of service of two content distributing networks got in above-mentioned steps 308 is carried in the response message of the DNS request, so that user terminal is used to ask above-mentioned media content to the second content distributing network using the second content requests of address of service transmission of the domain name to the second content distributing network, second content requests are played.
In actual applications, second content distributing network may contract the relation of intercommunication with the 3rd content distributing network, therefore, second content distributing network is after the content requests of user terminal transmission are received, the 3rd content distributing network can also be entrusted to provide the acceleration service of media content for user terminal, the embodiment that specific second content distributing network can be interacted with the interaction of the 3rd content distributing network refering to foregoing first content distribution network with the second content distributing network, here is omitted.
After the address of service that user terminal gets the second content distributing network, user terminal sends the second content requests to the address of service of the second content distributing network, but, the second content distributing network locally may not have corresponding media content in actual applications, therefore, it is impossible to return to media content to user terminal；The embodiments of the invention provide corresponding settlement mechanism, referring to Fig. 4, another embodiment of the transmission method of media content of the present invention includes：
401st, first content distribution network receives the 3rd content requests that the second content distributing network is sent；First content distribution network receives the 3rd content requests that second content distributing network is sent, 3rd content requests are used for the corresponding virtual Domain Name of the media content carried in the media content provided to first content distribution network request content provider, the 3rd content requests.
Specifically, the embodiment of the present invention can occur after above-mentioned Fig. 1 to Fig. 3 any embodiments, when the second content distributing network receives the second content requests of user terminal transmission, when being searched according to virtual Domain Name entrained in the second content requests less than corresponding media content（It has been likely to occur Slow and has rushed not middle Cache Miss phenomenons）, then the second content distributing network can be to first content distribution network the 3rd content requests of transmission.In actual applications, above-mentioned 3rd content requests can be sent to the address of service of first content distribution network or send to the routing address of first content distribution network；If being sent to the address of service of first content distribution network, then step 402 can be directly triggered;If being sent to the routing address of first content distribution network, then first content distribution network returns to the address of service of first content distribution network to the second content distributing network（Initiate to redirect message）So that the second content distributing network sends the 3rd content requests again to the address of service of first content distribution network.
402nd, first content distribution network judges locally whether have corresponding media content；
First content distribution network judges locally whether have the media content that above-mentioned 3rd content requests are asked, if so, then performing step 403;If no, performing step 404.
403rd, first content distributes net to the corresponding media content of the second content distributing network return；After it is determined that locally there being the media content that above-mentioned 3rd content requests are asked, first content distribution net to the second content distributing network can return to corresponding media content by 200OK message.
404th, first content distribution network searches the URL of content supplier according to virtual Domain Name；After it is determined that there not being the media content that above-mentioned 3rd content requests are asked locally, first content distributes the URL that net searches content supplier according to virtual Domain Name entrained in the 3rd content requests（URL, Universal Resource Locator), and the media content after the media content that the content supplier returns is received, is returned to second content distributing network to the corresponding media content of the content provider request according to the URL.
Specifically, because first content distribution network has the mapping relations for playing domain name and virtual Domain Name, play domain name then can by the broadcasting domain name lookup to corresponding content supplier, thus, first content distribution network can also search the URL of content supplier.Method is described, and the transmission method of the media content in the embodiment of the present invention is described from the angle of user terminal below, referring to Fig. 5, another embodiment of the transmission method of media content includes in the embodiment of the present invention：
501st, user terminal sends the first Domain Name Service requests；
User terminal sends the first DNS request, and the corresponding IP address of domain name is played for inquiring about, and first DNS request carries the broadcasting domain name of content supplier. In actual applications, user terminal clicks corresponding media content in the portal website of content supplier, the corresponding broadcasting domain name of the media content will be got, user terminal passes through the IP address of the broadcasting inquiry of the domain name to the content distributing network that service is provided for the content supplier again, user terminal is in order to inquire about the IP address of content distributing network, it is necessary to be determined by DNS query.
502nd, user terminal receives address of service or the routing address of the first content distribution network；User terminal receives address of service or the routing address for the first content distribution network that first content distribution network or DNS proxy are returned.
Wherein, first content distribution network or DNS proxy judge to play whether domain name needs to be hidden, if, address of service or the routing address of first content distribution network can be returned to user terminal, it is to avoid the user terminal directly asks the corresponding media content of the broadcasting domain name using the broadcasting domain name to the second content distributing network.
In actual applications, the DNS request that user terminal is sent can be returned by first content distribution network and responded（Return to address of service or the routing address of first content distribution network), it can also be returned and responded by DNS proxy, is specifically not construed as limiting herein.
Address of service and routing address can specifically show as domain name or IP address, still, in embodiments of the present invention, and what it is due to the needs return of first content distribution network is DNS request（For inquiring about IP address）Response, therefore, the address of service returned in step 502 or routing address are IP address.
503rd, user terminal sends first content request to first content distribution network；
User terminal sends first content to first content distribution network according to the above-mentioned address of service received or routing address and asked, and the first content asks to carry the broadcasting domain name of content supplier.
504th, user terminal receives first content request response；
User terminal receives first content request response, and the corresponding virtual Domain Name of above-mentioned broadcasting domain name is carried in first content request response；After user terminal gets the virtual Domain Name, the virtual Domain Name can be used to replace corresponding broadcasting domain name, the media content that the virtual Domain Name is provided to the second content distributing network request content provider is reused.
Specifically, if above-mentioned virtual Domain Name is configured by the second content distributing network, then above-mentioned first content request response can be sent by the second content distributing network, if above-mentioned virtual Domain Name is configured by first content distribution network, above-mentioned first content request response is then sent by first content distribution network.
505th, user terminal sends the second DNS request according to above-mentioned virtual Domain Name； User terminal sends the second DNS request according to above-mentioned virtual Domain Name, and second DNS request is used to inquire about the IP address corresponding to above-mentioned virtual Domain Name.
Specifically, because first content distribution network indicates user terminal when asking the media content to the second content distributing network, the broadcasting domain name is hidden, therefore, the IP address corresponding to the virtual Domain Name is the IP address for obtaining the media content.
After user terminal receives the first content request response, the media content that above-mentioned virtual Domain Name should be used to be provided to the second content distributing network request content provider, but, because user terminal directly can not find the second content distributing network according to the virtual Domain Name, accordingly, it would be desirable to send the second DNS request to first content distribution network.
Optionally, if above-mentioned virtual Domain Name is configured by the second content distributing network, user terminal can send the second DNS request to the second content distributing network；If above-mentioned virtual Domain Name is configured by first content distribution network, user terminal can send the second DNS request to first content distribution network.
506th, user terminal receives address of service or the routing address of the second content distributing network returned；User terminal receives address of service or the routing address for the second content distributing network that first content distribution network or the second content distributing network are returned.
Optionally, if after first content distribution network receives the second DNS request, first content distribution network obtains address of service or the routing address of the second content distributing network to the second content distributing network, and the address of service of the second content distributing network got or routing address are returned into user terminal；If after the second content distributing network receives the second DNS request, then can directly return to address of service or the routing address of the second content distributing network to user terminal.
507th, user terminal sends the second content requests according to above-mentioned virtual Domain Name to the address of service of the second content distributing network or routing address.
User terminal sends the second content requests according to the virtual Domain Name to the address of service of second content distributing network or routing address so that second content distributing network returns to the media content required for user terminal.
Above embodiment describes how that dynamic implement domain name is hidden during route, and how the following examples, description realizes the static configuration of virtual Domain Name, referring to Fig. 6, another embodiment of the transmission method of media content of the present invention includes：
601st, first content distribution network configures virtual Domain Name for the broadcasting domain name of content supplier； First content distribution network configures virtual Domain Name for the broadcasting domain name of content supplier, and stores the broadcasting domain name and the mapping relations of virtual Domain Name.
Specifically, for the ease of the second content distributing network Shi Do, and be easy to map playing domain name, the virtual Domain Name configured can include the relevant information of first content distribution network, or first content distribution network is the identification information that corresponding content supplier distributes；For example, an ancient weapon made of bamboo first content distribution network is operator akamai, it is then that some virtual Domain Name for playing domain name generation can be 1234.cdn.akamai.com, wherein, " 1234;, can be the identification information that first content distribution network is content supplier's distribution, the specific form of virtual Domain Name can be determined by akamai oneself.Mapping between broadcasting domain name video.cp.com and virtual Domain Name the 1234.cdn.akamai .com of content supplier for convenience, virtual Domain Name can also be 10.1234.cdn.akamai.com, wherein " 10 " represent the numbering of some broadcasting domain name of content supplier（Such as, the content supplier and first content distribution network have been contracted multiple acceleration domain names）.
602nd, first content distribution network sends virtual Domain Name to the content supplier；
First content distribution network sends to content supplier and accordingly plays the corresponding virtual Domain Name of domain name, so that content supplier replaces the broadcasting domain name using the virtual Domain Name, and the virtual Domain Name that user terminal is provided according to the content supplier is asked to the second content distributing network transmission content.
Specifically, the domain name that each media content is linked is changed after the accordingly corresponding virtual Domain Name of broadcasting domain name is received in the portal website of content supplier by content supplier（Corresponding broadcasting domain name is replaced using virtual Domain Name）So that user is when clicking on corresponding media content, and what is got is the corresponding virtual Domain Name of the media content, and user terminal is then asked according to the virtual Domain Name to the second content distributing network transmission content, asks corresponding media content.
603rd, configuration information from first content distribution network to the second content distributing network transmission content provider；Configuration information from first content distribution network to the second content distributing network transmission content provider so that the second content distributing network can be operated according to the configuration information to the content requests.
In actual applications, the second content distributing network when receiving the content requests of user terminal initiation, it is necessary to confirm whether media content that the content requests are asked is the media content that acceleration is provided required for first content distribution network（Due to there is contract signing relationship between first content distribution network and the second content distributing network, only confirm it is that media content specified by first content distribution network can just provide service）, then again mutually should content requests.Specifically, above-mentioned configuration information can be virtual Domain Name, or first content distribution network is the identification information that content supplier distributes（The identification information is corresponding with virtual Domain Name）, or for institute State the control information of virtual Domain Name or identification information configuration；The control message can include：Allow region and/or the time range information of distribution, it is allowed to the distribution protocol of use.
There is no strict sequential relationship between step 602 and step 603, can carry out simultaneously.604th, first content distribution network receives the DNS request that user terminal is sent；
First content distribution network receives the DNS request that user terminal is sent, and the DNS request is used to inquire about the IP address corresponding to above-mentioned virtual Domain Name.
605th, first content distribution network obtains address of service or the routing address of the second content distributing network according to DNS request；
First content distribution network obtains address of service or the routing address of the second content distributing network according to above-mentioned DNS request.
Specifically, first content distribution network can be sent in address request, the address request to the second content distributing network can carry above-mentioned virtual Domain Name；Second content distributing network returns to address of service or the routing address of the second content distributing network to first content distribution network after the address request is received.
606th, first content distribution network sends above-mentioned address of service or routing address to user terminal；First content distribution network sends address of service or the routing address of the second content distributing network to user terminal, so that user terminal sends the second content requests using above-mentioned virtual Domain Name to the address of service of the second content distributing network or routing address, second content requests are used to ask above-mentioned media content to the second content distributing network.
The embodiment to the present invention distribution network of the transmission method for performing above-mentioned media content is illustrated below, and one embodiment that its logical construction refer to content distributing network in Fig. 7, the embodiment of the present invention includes：
First receiving unit 701, the first content request for receiving user terminal transmission, the first content request carries the broadcasting domain name of content supplier；
First acquisition unit 702, for obtaining the corresponding virtual Domain Name of broadcasting domain name in the first content request；
First returning unit 703, responded for returning to first content request to the user terminal, the first content request response carries the virtual Domain Name, and the first content request response is used to indicate that the user terminal asks what the content supplier provided using the virtual Domain Name to the content distributing network of intercommunication Media content.
Content distributing network in the embodiment of the present invention can further include：
Second acquisition unit 704, for obtaining the first domain name service DNS request that the user terminal is sent, first DNS request carries the broadcasting domain name of content supplier；
First judging unit 705, for judging whether the broadcasting domain name needs to be hidden, if so, then to the local address of service of user terminal return or routing address so that the user terminal sends the first content to local address of service or routing address and asked.
The virtual Domain Name is carried in second receiving unit 706, the second DNS request for receiving user terminal transmission, second DNS request；Address of service or routing address；
First transmitting element 708, address of service from the content distributing network to the user terminal transmission intercommunication or routing address for so that the user terminal asks the media content that the content supplier provides using the virtual Domain Name to the address of service of the content distributing network of the intercommunication or routing address.
Replacement unit 709, for replacing the broadcasting domain name in the first content request using the virtual Domain Name；
Second transmitting element 710, for sending the first content request played after domain name is replaced to the content distributing network of the intercommunication；
Second returning unit 711, the address of service of the content distributing network of the intercommunication of the content distributing network return for receiving the intercommunication or routing address.
3rd receiving unit 712, the 3rd content requests for receiving the carrying virtual Domain Name that the content distributing network of the intercommunication is sent, the 3rd content requests are used for the media content for locally asking the content supplier to provide；
Second judging unit 713, if for the 3rd content requests being sent to the local address of service, whether judgement locally has the media content, if so, then returning to the media content to the content distributing network of the intercommunication；If not having, the uniform resource position mark URL of content supplier is then searched according to the virtual Domain Name, and according to the URL to the content provider request media content, after the media content that the content supplier sends is received, the media content is returned to the content distributing network of the intercommunication. It is called first content distribution network to describe the content distributing network that example below contracts with content supplier for convenience, and the content distributing network with first content distribution network intercommunication is the second content distributing network.
In user terminal after the portal website of content supplier clicks corresponding media content, the second acquisition unit 704 of first content distribution network obtains the first DNS requests that user terminal is sent, the broadcasting domain name of content supplier is carried in first DNS request, first DNS request is used to inquire about the corresponding IP address of broadcasting domain name.
Then, the first content distribution network of first judging unit 705 judges whether above-mentioned broadcasting domain name needs to be hidden, if, address of service or the routing address of first content distribution network are then returned to user terminal so that the user terminal sends the first content to local address of service or routing address and asked；If it is not, then pressing the flow operations of prior art.
After user terminal receives address of service or the routing address of first content distribution network, first receiving unit 701 receives the first content request that user terminal is sent according to the address of service of the first content distribution network or the routing address of first content distribution network, and the first content request carries the broadcasting domain name of content supplier.
After above-mentioned first content request is received, first acquisition unit 702 obtains the corresponding virtual Domain Name of broadcasting domain name of content supplier, and stores the broadcasting domain name and the mapping relations of the virtual Domain Name.
Optionally, the corresponding virtual Domain Name of domain name configuration can be played by first content distribution network；Specifically, for the ease of the second content distributing network Shi Do, and be easy to map playing domain name, the virtual Domain Name configured can include the relevant information of first content distribution network, or first content distribution network is the identification information that corresponding content supplier distributes, the relevant information of the first content distribution network can include：The mark of first content distribution network（It can be specifically the title of first content distribution network）, or the mark that first content distribution network is distributed for the broadcasting domain name of content supplier；For example, assuming that first content distribution network is operator akamai, it is then that some virtual Domain Name for playing domain name generation can be 1234.cdn.akamai.com, wherein, " 1234 " can be the identification information that first content distribution network is content supplier's distribution, and the specific form of virtual Domain Name can be determined by akamai oneself.Mapping between broadcasting domain name video.cp.com and virtual Domain Name the 1234.cdn.akamai .com of content supplier for convenience, virtual Domain Name can also be 10.1234.cdn.akamai.com, wherein " 10 " represent the numbering of some broadcasting domain name of content supplier（Such as, the content supplier and first content distribution network have been contracted multiple acceleration domain names）. Optionally, first content distribution network first can return to first content request to user terminal from the first returning unit 703 and respond, and the first content request response is used for the media content that indicating user terminal uses above-mentioned virtual Domain Name to be provided to the second content distributing network request content provider；After user terminal receives the first content request response, the media content provided using above-mentioned virtual Domain Name to the second content distributing network request content provider, but, because user terminal directly can not find the second content distributing network according to the virtual Domain Name, accordingly, it would be desirable to send the second DNS request to first content distribution network；Second receiving unit 706 receives the second DNS request that user terminal is sent, and address of service or the routing address of the second content distributing network are obtained according to above-mentioned second DNS request by the 3rd acquiring unit 707, last address of service or the routing address that the second content distributing network is sent from the first transmitting element 708 to user terminal, user terminal is allowd to send the second content requests to the address of service of the second content distributing network or routing address, to obtain the media content of content supplier's offer.
Optionally, first content distribution network can also be replaced the broadcasting domain name in first content request by replacement unit 709 using the above-mentioned virtual Domain Name got.Specifically, replacement unit 709 can delete the broadcasting domain name in first content request, replaced using the above-mentioned virtual Domain Name got；And first content distribution network can also change request content, e.g., increase the information such as the IP address of user terminal；Sent from the second transmitting element 710 to the second content distributing network and play the first content request after domain name is replaced so that the second content distributing network returns to the address of service that the second content distributing network is returned；Preferably first content request is returned to user terminal from the second returning unit 711 to respond, the address of service of second content distributing network is carried in the first content request response, user terminal is allowd to send the second content requests to the address of service of the second content distributing network or routing address, to obtain the media content of content supplier's offer.
After the address of service that user terminal gets the second content distributing network, user terminal sends the second content requests to the address of service of the second content distributing network, but, the second content distributing network locally may not have corresponding media content in actual applications, therefore, it is impossible to return to media content to user terminal；Then the 3rd receiving unit 712 of first content distribution network can receive the 3rd content requests that second content distributing network is sent, and the 3rd content requests are used for the media content provided to first content distribution network request content provider.
After the 3rd content requests are received, if the 3rd content requests are sent to the local address of service, then the second judging unit 713 can judge locally whether have the media content, if so, then returning to the media content to second content distributing network；If no, according in virtual Domain Name lookup Hold the uniform resource position mark URL of provider, and according to the URL to the content provider request media content, after the media content that the content supplier sends is received, the media content is returned to second content distributing network.
The embodiment to the user terminal of the present invention of the transmission method for performing above-mentioned media content is illustrated below, and one embodiment that its logical construction refer to user terminal in Fig. 8, the embodiment of the present invention includes：First request transmitting unit 801, for sending first content request to first content distribution network, the first content request carries the broadcasting domain name of content supplier；
Receiving unit 802 is responded, for receiving first content request response, virtual Domain Name is carried in the first content request response；
Contents request module 803, for asking the media content that the virtual Domain Name carried in response asks the content supplier to provide to the second content distributing network using the first content.
User terminal in the embodiment of the present invention can further include：
Second request transmitting unit 804, for sending the first DNS request, first DNS request carries the broadcasting domain name of content supplier；
Address receiving unit 805, address of service or routing address for receiving the first content distribution network that first content distribution network or DNS proxy are returned, to cause first request transmitting unit 801 to send first content request according to the address of service of the first content distribution network or routing address.
Contents request module 803 in the embodiment of the present invention includes：
Address acquisition submodule 8031, address of service or routing address for obtaining second content distributing network according to the virtual Domain Name；；
Content requests submodule 8032, for asking the media content that the content supplier provides to the address of service of second content distributing network or routing address according to the virtual Domain Name.
The first content request response that the response receiving unit 802 is received also carries address of service or the routing address of second content distributing network；
The contents request module 803 asks the media content that the content supplier provides specifically for the virtual Domain Name for asking to carry in response using the first content to the address of service of second content distributing network or routing address.
The specific implementation procedure of unit is as follows in user terminal of the embodiment of the present invention：
User terminal clicks corresponding media content in the portal website of content supplier, will get The corresponding broadcasting domain name of the media content, the second request transmitting unit 804 of user terminal sends the first DNS requests, and the corresponding IP address of domain name is played for inquiring about, and first DNS request carries the broadcasting domain name of content supplier.
Afterwards, address receiving unit 805 will receive address of service or the routing address of the first content distribution network that first content distribution network or DNS proxy are returned.In actual applications, the DNS requests that user terminal is sent can be returned by first content distribution network to be responded（Return to address of service or the routing address of first content distribution network）, can also be returned and responded by DNS proxy, is specifically not construed as limiting herein.
Afterwards, the first request transmitting unit 801 sends first content to first content distribution network according to the above-mentioned address of service received or routing address and asked, and the first content asks to carry the broadcasting domain name of content supplier.
Afterwards, response receiving unit 802 receives first content request response, and the corresponding virtual Domain Name of above-mentioned broadcasting domain name is carried in first content request response.After user terminal gets the virtual Domain Name, the virtual Domain Name can be used to replace corresponding broadcasting domain name, the media content that the virtual Domain Name is provided to the second content distributing network request content provider is reused.
Afterwards, contents request module 803 asks the media content that the virtual Domain Name carried in response asks the content supplier to provide to the second content distributing network using the first content.Specifically, receiving address of service or the routing address of second content distributing network of return by address acquisition submodule 8031；Preferably, content requests submodule 8032 sends the second content requests according to the virtual Domain Name to the address of service of second content distributing network or routing address so that second content distributing network returns to the media content.
The embodiment to the present invention distribution network of the method for performing above-mentioned static configuration virtual Domain Name is illustrated below, and another embodiment that its logical construction refer to content distributing network in Fig. 9, the embodiment of the present invention includes：
Dispensing unit 901, for configuring virtual Domain Name for the broadcasting domain name of content supplier；
Domain name transmitting element 902, for sending the virtual Domain Name to the content supplier, so that the content supplier replaces the broadcasting domain name using the virtual Domain Name, and user terminal is asked to obtain media content according to the virtual Domain Name to the content distributing network transmission content of intercommunication.
Content distributing network in the embodiment of the present invention can further include：
Request reception unit 903, for receiving the DNS request that the user terminal is sent, the DNS Request carries the virtual Domain Name that the content supplier is supplied to the user terminal；Transmitting element 905, is asked for sending the address of service transmission content of content distributing network of the intercommunication to the user terminal.The dispensing unit 901 of first content distribution network configures virtual Domain Name for the broadcasting domain name of content supplier, and stores the broadcasting domain name and the mapping relations of virtual Domain Name.Specifically, for the ease of the second content distributing network Shi Do, and be easy to map playing domain name, the virtual Domain Name configured can include the relevant information of first content distribution network, or first content distribution network is the identification information that corresponding content supplier distributes；For example, assuming that first content distribution network is operator akamai, it is then that some virtual Domain Name for playing domain name generation can be 1234.cdn.akamai.com, wherein, " 1234 " can be the identification information that first content distribution network is content supplier's distribution, and the specific form of virtual Domain Name can be determined by akamai oneself.Mapping between the broadcasting domain name video.cp.com and virtual Domain Name 1234.cdn.akamai.com of content supplier for convenience, virtual Domain Name can also be 10.1234.cdn.akamai.com, wherein " 10 " represent the numbering of some broadcasting domain name of content supplier.
Domain name transmitting element 902 sends to content supplier and accordingly plays the corresponding virtual Domain Name of domain name, so that content supplier replaces the broadcasting domain name using the virtual Domain Name, and the virtual Domain Name that user terminal is provided according to the content supplier is asked to the second content distributing network transmission content.Specifically, content supplier receive it is corresponding play the corresponding virtual Domain Name of domain name after, domain name that each media content linked is changed in the portal website of content supplier and (is replaced using virtual Domain Name and corresponding plays domain name）So that user is when clicking on corresponding media content, and what is got is the corresponding virtual Domain Name of the media content, and user terminal is then asked according to the virtual Domain Name to the second content distributing network transmission content, asks corresponding media content.
In actual applications, the second content distributing network when receiving the content requests of user terminal initiation, it is necessary to which whether the media content that the content requests are asked really is the media content that acceleration is provided required for first content distribution network（Due to there is contract signing relationship between first content distribution network and the second content distributing network, only confirm it is that media content specified by first content distribution network can just provide service）, then again mutually should content requests.Specifically, above-mentioned configuration information can be virtual Domain Name, or first content distribution net Network is the identification information that content supplier distributes（The identification information is corresponding with virtual Domain Name）, or for the virtual Domain Name or the control information of identification information configuration；The control message can include：Allow region and/or the time range information of distribution, it is allowed to the distribution protocol of use.
Virtual Domain Name is being have sent to content supplier, and after have sent the configuration information of content supplier to the second content distributing network, request reception unit 903 receives the DNS request that user terminal is sent, and the DNS request is used to inquire about the IP address corresponding to above-mentioned virtual Domain Name.Acquiring unit 904 obtains address of service or the routing address of the second content distributing network according to above-mentioned DNS request；Finally, transmitting element 905 sends address of service or the routing address of the second content distributing network to user terminal, user terminal is allowd to send the second content requests to the address of service of the second content distributing network or routing address, to obtain the media content of content supplier's offer.
In several embodiments provided herein, it should be understood that disclosed apparatus and method can be realized by another way.For example, device embodiment described above is only schematical, for example, the division of the unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machine is just guarded against or others form that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.
The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.
In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is realized using in the form of SFU software functional unit and as independent production marketing or in use, can be stored in a computer read/write memory medium.Understood based on such, the part or all or part of the technical scheme that technical scheme substantially contributes to prior art in other words can be embodied in the form of software product, and the computer software product is stored in a storage In medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Perform all or part of step of each embodiment methods described of the invention.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（ROM, Read-Only Memory), random access memory（RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
It is described above; only embodiment of the invention, but protection scope of the present invention is not limited thereto, any one skilled in the art the invention discloses technical scope in; change or replacement can be readily occurred in, should be all included within the scope of the present invention.Therefore, protection scope of the present invention described should be defined by scope of the claims.

Claims (23)

  1. Claim
    1st, a kind of transmission method of media content, it is characterised in that including：
    First content distribution network receives the first content request that user terminal is sent, and the first content request carries the broadcasting domain name of content supplier；
    The first content distribution network obtains the corresponding virtual Domain Name of the broadcasting domain name；
    The first content distribution network returns to first content request to the user terminal and responded, the first content request response carries the virtual Domain Name, and the first content asks response to be used to indicate that the user terminal asks paddy in the media of content supplier's offer using the virtual Domain Name to the second content distributing network.
    2nd, according to the method described in claim 1, it is characterised in that it is described receive user terminal send first content request before, in addition to：
    The first content distribution network obtains the first Domain Name Service requests that the user terminal is sent, and first Domain Name Service requests carry the broadcasting domain name of content supplier；
    The first content distribution network judges whether the broadcasting domain name needs to be hidden, if, address of service or the routing address of the first content distribution network are then returned to the user terminal so that the user terminal sends the first content to the address of service of the first content distribution network or routing address and asked.
    3rd, according to the method described in claim 1, it is characterised in that it is described receive user terminal send first content request after, in addition to：
    The first content distribution network judges whether the broadcasting domain name needs to be hidden, if so, then triggering described the step of obtain the broadcasting domain name corresponding virtual Domain Name.
    4th, according to the method in claim 2 or 3, it is characterised in that it is described to user terminal return first content request response after, in addition to：
    The first content distribution network receives in the second Domain Name Service requests that user terminal is sent, second Domain Name Service requests and carries the virtual Domain Name；
    The first content distribution network obtains address of service or the routing address of second content distributing network according to the virtual Domain Name；
    The first content distribution network sends address of service or the routing address of second content distributing network to the user terminal so that the user terminal uses the virtual Domain Name to second content distribution The address of service of network or routing address ask the media content that the content supplier provides.
    5th, method according to claim 4, it is characterised in that the first content distribution network obtains address of service or the routing address of the second content distributing network according to the virtual Domain Name, including：
    The first content distribution network sends in address request, the address request to second content distributing network according to the virtual Domain Name and carries the virtual Domain Name；
    The first content distribution network receives address of service or the routing address for the second content distributing network that second content distributing network is returned.
    6th, according to the method in claim 2 or 3, it is characterised in that it is described to user terminal return first content request response before, including：
    The first content distribution network replaces the broadcasting domain name in the first content request using the virtual Domain Name；
    The first content distribution network sends the first content request played after domain name is replaced to second content distributing network；
    The first content distribution network receives the address of service for second content distributing network that second content distributing network is returned；
    It is described to return to first content request response to user terminal, including：
    Address of service or the routing address that second content distributing network is carried in first content request response, the first content request response are returned to the user terminal.
    7th, method according to claim 4, it is characterised in that it is described send address of service or the routing address of second content distributing network to user terminal after, including：
    The first content distribution network receives the 3rd content requests of the carrying virtual Domain Name that second content distributing network is sent, and the 3rd content requests are used for the media content for asking the content supplier to provide to the first content distribution network；
    If the 3rd content requests are sent to the address of service of the first content distribution network, then the first content distribution network judges the local media content for whether having content supplier's offer, if so, then returning to the media content to second content distributing network；If not having, the uniform resource position mark URL of content supplier is then searched according to the virtual Domain Name, and according to the URL to the content provider request media content, after the media content that the content supplier sends is received, the media content is returned to second content distributing network. 8th, a kind of transmission method of media content, it is characterised in that including：
    User terminal sends first content request to first content distribution network, and the first content request carries the broadcasting domain name of content supplier；
    The user terminal receives first content request response, and asks the media content that the virtual Domain Name carried in response asks the content supplier to provide to the second content distributing network using the first content.
    9th, method according to claim 8, it is characterised in that before the transmission first content request to first content distribution network, including：
    The user terminal sends the first Domain Name Service requests, and first Domain Name Service requests carry the broadcasting domain name of content supplier；
    The user terminal receives address of service or the routing address for the first content distribution network that the first content distribution network or domain name service agency return, and address of service according to the first content distribution network or routing address triggering is described sends first content request to first content distribution network.
    10th, method according to claim 8 or claim 9, it is characterised in that described to ask the media content that the content supplier provides to the second content distributing network using the virtual Domain Name, including：
    The user terminal sends the second Domain Name Service requests according to the virtual Domain Name；
    The user terminal receives address of service or the routing address of second content distributing network returned；The user terminal asks the media content that the content supplier provides according to the virtual Domain Name to the address of service of second content distributing network or routing address.
    11st, method according to claim 8, it is characterized in that, if the first content request response also carries address of service or the routing address of second content distributing network, it is then described to ask the media content that the content supplier provides to the second content distributing network using the virtual Domain Name, in addition to：
    The virtual Domain Name that the user terminal asks to carry in response using the first content, the media content that the content supplier provides is asked to the address of service of second content distributing network or routing address.
    12nd, a kind of transmission method of media content, it is characterised in that including：
    First content distribution network configures virtual Domain Name for the broadcasting domain name of content supplier；Hold provider and replace the broadcasting domain name using the virtual Domain Name, and cause user terminal to be asked to obtain media content to the second content distributing network transmission content according to the virtual Domain Name.
    13rd, method according to claim 14, it is characterised in that it is described so that user terminal according to The virtual Domain Name asks to obtain media content to the second content distributing network transmission content, including：The first content distribution network receives the Domain Name Service requests that the user terminal is sent, and domain name service request carries the virtual Domain Name that the content supplier is supplied to the user terminal；
    The first content distribution network obtains address of service or the routing address of second content distributing network；
    The first content distribution network sends the address of service of second content distributing network to the user terminal so that the user terminal is asked according to the virtual Domain Name to the address of service transmission content of second content distributing network.
    14th, a kind of content distributing network, it is characterised in that including：
    First receiving unit, the first content request for receiving user terminal transmission, the first content request carries the broadcasting domain name of content supplier；
    First acquisition unit, for obtaining the corresponding virtual Domain Name of broadcasting domain name in the first content request；
    First returning unit, responded for returning to first content request to the user terminal, the first content request response carries the virtual Domain Name, and the first content request response is used for the media content for indicating that the user terminal asks the content supplier to provide using the virtual Domain Name to the content distributing network of intercommunication.
    15th, content distributing network according to claim 14, it is characterised in that the content distributing network also includes：
    Second acquisition unit, for obtaining the first Domain Name Service requests that the user terminal is sent, first Domain Name Service requests carry the broadcasting domain name of content supplier；
    First judging unit, for judging whether the broadcasting domain name needs to be hidden, if so, then to the local address of service of user terminal return or routing address so that the user terminal sends the first content to local address of service or routing address and asked.
    16th, content distributing network according to claim 14, it is characterised in that the content distributing network also includes：
    The virtual Domain Name is carried in second receiving unit, the second Domain Name Service requests for receiving user terminal transmission, second Domain Name Service requests；
    3rd acquiring unit, Business address or routing address；
    First transmitting element, address of service from the content distributing network to the user terminal transmission intercommunication or routing address for so that the user terminal asks the media content that the content supplier provides using the virtual Domain Name to the address of service of the content distributing network of the intercommunication or routing address.
    17th, content distributing network according to claim 14, it is characterised in that the content distributing network also includes：
    Replacement unit, for replacing the broadcasting domain name in the first content request using the virtual Domain Name；
    Second transmitting element, for sending the first content request played after domain name is replaced to the content distributing network of the intercommunication；The address of service of distribution network.
    18th, content distributing network according to claim 14, it is characterised in that the content distributing network also includes：
    3rd receiving unit, the 3rd content requests for receiving the carrying virtual Domain Name that the content distributing network of the intercommunication is sent, the 3rd content requests are used for the media content for locally asking the content supplier to provide；
    Second judging unit, if for the 3rd content requests being sent to the local address of service, whether judgement locally has the media content, if so, then returning to the media content to the content distributing network of the intercommunication；If not having, the uniform resource position mark URL of content supplier is then searched according to the virtual Domain Name, and according to the URL to the content provider request media content, after the media content that the content supplier sends is received, the media content is returned to the content distributing network of the intercommunication.
    19th, a kind of user terminal, it is characterised in that including：
    First request transmitting unit, for sending first content request to first content distribution network, the first content request carries the broadcasting domain name of content supplier；
    Receiving unit is responded, for receiving first content request response, virtual Domain Name is carried in the first content request response；
    Contents request module, for asking the content to the second content distributing network using the virtual Domain Name The media content that provider provides.
    20th, user terminal according to claim 19, it is characterised in that the user terminal also includes：
    Second request transmitting unit, for sending the first Domain Name Service requests, first Domain Name Service requests carry the broadcasting domain name of content supplier；
    Address receiving unit, address of service or routing address for receiving the first content distribution network that the first content distribution network or domain name service agency return, to cause first request transmitting unit to send first content request according to the address of service of the first content distribution network or route.
    21st, user terminal according to claim 19, it is characterised in that the contents request module includes：
    Address acquisition submodule, address of service or routing address for obtaining second content distributing network according to the virtual Domain Name；
    Content requests submodule, for asking the media content that the content supplier provides to the address of service of second content distributing network or routing address according to the virtual Domain Name.
    22nd, user terminal according to claim 19, it is characterised in that the first content request response that the response receiving unit is received also carries address of service or the routing address of second content distributing network；
    The contents request module, specifically for the virtual Domain Name for asking to carry in response using the first content, the media content that the content supplier provides is asked to the address of service of second content distributing network or routing address.
    23rd, a kind of content distributing network, it is characterised in that including：
    Dispensing unit, for configuring virtual Domain Name for the broadcasting domain name of content supplier；
    Domain name transmitting element, for sending the virtual Domain Name to the content supplier, so that the content supplier replaces the broadcasting domain name using the virtual Domain Name, and user terminal is asked to obtain media content according to the virtual Domain Name to the content distributing network transmission content of intercommunication.
    24th, content distributing network according to claim 23, it is characterised in that the content distributing network also includes：
    Request reception unit, for receiving the Domain Name Service requests that the user terminal is sent, domain name service request carries the virtual Domain Name that the content supplier is supplied to the user terminal； Acquiring unit,
    Transmitting element, the address of service of the content distributing network for sending the intercommunication to the user terminal so that the user
    Location transmission content request
CN2011800026896A 2011-11-18 2011-11-18 Method and related apparatus for transmitting media content Pending CN103222312A (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106603728B (en) * 2017-02-11 2020-03-31 网宿科技股份有限公司 HTTPS acceleration method and system, data center and node service cloud

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1700682A (en) * 2004-05-21 2005-11-23 迈普（四川）通信技术有限公司 Virtual domain name resolution proxy method and system
WO2010140938A1 (en) * 2009-06-03 2010-12-09 Telefonaktiebolaget L M Ericsson (Publ) Method and node for distributing electronic content in a content distribution network
CN101984637A (en) * 2010-11-02 2011-03-09 中兴通讯股份有限公司 Content distribution implementation method and system
CN102143184A (en) * 2011-03-31 2011-08-03 华为技术有限公司 Authentication method, authentication device and authentication system for realizing CND (content delivery network) intercommunication

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1700682A (en) * 2004-05-21 2005-11-23 迈普（四川）通信技术有限公司 Virtual domain name resolution proxy method and system
WO2010140938A1 (en) * 2009-06-03 2010-12-09 Telefonaktiebolaget L M Ericsson (Publ) Method and node for distributing electronic content in a content distribution network
CN101984637A (en) * 2010-11-02 2011-03-09 中兴通讯股份有限公司 Content distribution implementation method and system
CN102143184A (en) * 2011-03-31 2011-08-03 华为技术有限公司 Authentication method, authentication device and authentication system for realizing CND (content delivery network) intercommunication

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