CN104378340A - Multimedia content interaction method and device - Google Patents
Multimedia content interaction method and device Download PDFInfo
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- CN104378340A CN104378340A CN201310360254.XA CN201310360254A CN104378340A CN 104378340 A CN104378340 A CN 104378340A CN 201310360254 A CN201310360254 A CN 201310360254A CN 104378340 A CN104378340 A CN 104378340A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/141—Setup of application sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/2803—Home automation networks
- H04L12/283—Processing of data at an internetworking point of a home automation network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
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Abstract
The invention discloses a multimedia content interaction method. The method comprises the steps that a first gateway sends a request for acquiring a multimedia content list of a second gateway to a network server; the first gateway receives the multimedia content list of the second gateway from the network server, and receives a temporary session key allowing the first gateway and the second gateway to be in communication connection; the first gateway and the second gateway are in communication connection according to the temporary session key, and the first gateway sends a request for acquiring multimedia content mapped by the multimedia content list to the second gateway, and receives the multimedia content sent by the second gateway. The invention further discloses a corresponding device. According to the scheme, only the multimedia content list is stored in the network server, and the situation that due to the fact that the network server stores too much multimedia content, too many system resources of the network server are occupied, and the interaction efficiency of the network server and the gateways is influenced is avoided.
Description
Technical field
The present invention relates to communication technical field, be related specifically to a kind of content of multimedia exchange method and device.
Background technology
Home gateway realizes the equipment that the inner each equipment of home network intercoms mutually with external equipment, is core component part in home network.Along with high-speed wideband online and home computer popularize, increasing digital multimedia device is as notebook computer, Digital Television, mobile phone, landline telephone and other consumption electronic products, by the same family gateway accessing on the Internet, carry out information interaction with external network; Content of multimedia (such as video A, video B, the audio frequency C etc.) update status of each digital multimedia device be attached thereto is sent to the webserver by the Internet and shares by home gateway.In the prior art, the content of multimedia of renewal is sent in the webserver by the Internet and preserves by each home gateway, the home gateway needing to obtain this more fresh content sends request to this webserver, then content of multimedia is issued to the home gateway of the request of sending by this webserver.But, owing to storing a large amount of content of multimedia in the webserver of network side, each home gateway directly obtains content of multimedia from this webserver, causes the system resource taking this webserver excessive, affects the rate of interaction of this webserver and each home gateway.
Summary of the invention
Main purpose of the present invention is for providing a kind of content of multimedia exchange method and device, being intended to solve the webserver causes the system resource taking this webserver excessive because of the storage bearing content of multimedia, affects the problem of the interactive efficiency of this webserver and each gateway.
The invention provides a kind of content of multimedia exchange method, the method comprises:
First gateway sends the request of the content of multimedia inventory of acquisition second gateway to the webserver;
Described first gateway receives the content of multimedia inventory of described second gateway from the described webserver, and receives and set up for described first gateway and the second gateway the interim conversation secret key that communication is connected;
Described first gateway is set up communication according to described interim conversation secret key with described second gateway and is connected, described first gateway sends the request of content of multimedia obtaining described content of multimedia inventory and map to described second gateway, and receives the content of multimedia that described second gateway sends over.
Preferably, send the request of the content of multimedia inventory of acquisition second gateway to the webserver at described first gateway before, the method also comprises:
Described first gateway sends authentication request to the described webserver, and after described webserver authentication success, sets up communication with the described webserver be connected.
Preferably, the method also comprises:
Described first gateway sends the request of the content of multimedia update notification service of subscribing to described second gateway to the described webserver, and when the described webserver confirms the request that described update notification serves, set up the notification service relation occurring about the content of multimedia of described second gateway with the described webserver to upgrade;
After the content of multimedia of described second gateway upgrades, described first gateway receives the notice of the generation of the content of multimedia about the described second gateway renewal that the described webserver sends.
Preferably, the notice that described content of multimedia occurs to upgrade is generated by the described webserver, wherein:
The described webserver receives the request of the renewal content of multimedia inventory that described second gateway is uploaded, the content of multimedia inventory of the second gateway be stored in the described webserver is upgraded, there is the notice upgraded in the content of multimedia generating described second gateway, and the notice of generation is sent to described first gateway.
Preferably, the request of described renewal content of multimedia inventory is generated by described second gateway, wherein:
When described second gateway receives the content of multimedia of user terminal uploads, described second gateway upgrades the content of multimedia be stored in this second gateway and content of multimedia inventory, generate the request of described renewal content of multimedia inventory, and the request of the described renewal content of multimedia inventory generated is sent to the described webserver.
The present invention also provides a kind of content of multimedia interactive device, comprises the first gateway, and described first gateway comprises:
First transceiver module, for sending the request of the content of multimedia inventory of acquisition second gateway to the webserver, and receive the content of multimedia inventory of described second gateway from the described webserver and receive described first gateway of confession and the second gateway and set up the interim conversation secret key that communication is connected;
Connection establishment module, is connected with the communication of the second gateway for setting up described first gateway according to described interim conversation secret key;
Second transceiver module, the communication for setting up according to described connection establishment module connects and sends to described second gateway the request obtaining the content of multimedia that described content of multimedia inventory maps, and receives the content of multimedia that described second gateway sends over.
Preferably, described first gateway also comprises:
Authentication module, for sending authentication request to the described webserver, and sets up communication with the described webserver and is connected after described webserver authentication success.
Preferably, described first gateway also comprises:
3rd transceiver module, for sending the request of the content of multimedia update notification service of subscribing to described second gateway to the described webserver, and when the described webserver confirms the request that described update notification serves, set up the notification service relation occurring about the content of multimedia of described second gateway with the described webserver to upgrade; And for after the content of multimedia of described second gateway upgrades, receive the notice of the generation of the content of multimedia about the described second gateway renewal that the described webserver sends.
Preferably, the notice that described content of multimedia occurs to upgrade is generated by the described webserver, wherein, the described webserver receives the request of the renewal content of multimedia inventory that described second gateway is uploaded, the content of multimedia inventory of the second gateway be stored in the described webserver is upgraded, there is the notice upgraded in the content of multimedia generating described second gateway, and the notice of generation is sent to described first gateway.
Preferably, the request of described renewal content of multimedia inventory is generated by described second gateway, wherein: when described second gateway receives the content of multimedia of user terminal uploads, described second gateway upgrades the content of multimedia be stored in this second gateway and content of multimedia inventory, generate the request of described renewal content of multimedia inventory, and the request of the described renewal content of multimedia inventory generated is sent to the described webserver.
The embodiment of the present invention, first gateway obtains the content of multimedia inventory of the second gateway from the webserver, and return interim conversation secret key according to this webserver and set up communication with the second gateway and be connected, from described second gateway obtain that this content of multimedia inventory maps content of multimedia.Adopt the present invention, this content of multimedia does not need to be stored in the webserver, content of multimedia inventory is only stored at the webserver, this content of multimedia is stored in the second gateway, the webserver can be avoided to cause the system resource taking this webserver excessive because of the storage bearing content of multimedia, affect the interactive efficiency of this webserver and each gateway.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of content of multimedia exchange method of the present invention;
Fig. 2 is the structural representation of content of multimedia interactive device of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
With reference to the schematic flow sheet that Fig. 1, Fig. 1 are content of multimedia exchange method of the present invention, the method comprises the following steps:
S10, the first gateway send the request of the content of multimedia inventory of acquisition second gateway to the webserver;
When the first gateway wishes the content of multimedia that acquisition second gateway stores, first send the request of the content of multimedia inventory of acquisition second gateway to this webserver.This first gateway is connected with this webserver by the Internet with the second gateway, as: the first gateway is connected with the webserver by the Internet with the second gateway.This First Family's gateway and the second home gateway can be home gateways.
S20, this first gateway receive the content of multimedia inventory of this second gateway from this webserver, and receive and set up for this first gateway and the second gateway the interim conversation secret key that communication is connected;
When the webserver receives the request of the content of multimedia inventory of acquisition second gateway that the first gateway sends, the content of multimedia inventory of this second gateway is searched in this webserver, then the content of multimedia inventory of this second gateway is sent to this first gateway, and generate an interim conversation secret key, and this interim conversation secret key is sent to the first gateway and the second gateway respectively.First gateway and the second gateway utilize this interim conversation secret key to set up TLS(Transport Layer Security, safe transmission layer protocol) connect.
S30, the first gateway are set up communication according to this interim conversation secret key with this second gateway and are connected, this first gateway sends the request of content of multimedia obtaining this content of multimedia inventory and map to this second gateway, and receives the content of multimedia that this second gateway sends over.
First gateway and the second gateway are in the term of validity of this interim conversation secret key, set up communication by this interim conversation secret key to connect, carry out data interaction, as: this first gateway sends request to this second gateway, the content of multimedia that content of multimedia inventory in the second gateway that acquisition request obtains from this webserver maps, this second gateway sends corresponding content of multimedia according to the request of the first gateway to it.
Adopt above-mentioned content of multimedia exchange method, the corresponding content of multimedia of mutual acquisition of the first gateway and the second gateway can be realized easily, content of multimedia is not needed to be stored in the webserver, content of multimedia inventory is only stored in the webserver, this content of multimedia is stored in the second gateway, the webserver can be avoided to cause the system resource taking this webserver excessive because of the storage bearing content of multimedia, and affect the interactive efficiency of this webserver and each gateway.
Further, before step S10, further comprising the steps of:
S11, this first gateway send authentication request to this webserver, and after this webserver authentication success, set up communication with this webserver be connected.
For realizing fail safe mutual between the first gateway and the webserver, certification can be carried out to the first gateway of access network server, the mark of certification can be a certificate based on open Key Infrastructure, also can be present in the first gateway operator issue Universal Integrated Circuit Card (Universal IntegratedCircuit Card, UICC) among.Below illustrate that the User Identity that the first gateway adopts is kept in UICC, actual authentication algorithm is also kept in UICC, is UMTS AKA algorithm (UMTS:Universal Mobile Telecommunications System universal mobile telecommunications system; AKA:Authentication and Key Agreement, certifiede-mail protocol agreement), certification adopts Session Initiation Protocol (Session Initiation Protocol, session initiation protocol), and message is SIP Register; First gateway sends SIP Register message to the webserver, the webserver returns first response for failed authentication message, namely conditional code is the sip response of 401, and in failed authentication message, WWW-Authenticate field carries RAND and AUTN parameter needed for UMTS AKA algorithm simultaneously; First gateway is after receiving the message that this webserver returns, import parameter RAND and AUTN into UICC, complete UMTS AKA to calculate, and obtain AKA response, using the content of response as Authorization header field in SIP Register message, again send SIP Register message to the webserver, webserver certification returns success response to this first gateway after passing through; The whole identifying procedure of this first gateway and this webserver is based on SIP AKA process, without specific customization part, AKA process is except completing the mutual certification of the first gateway and the webserver, also correspondingly generate a symmetric cryptographic key and a tegrity protection key, wherein symmetric cryptographic key is for setting up the TLS(Transport LayerSecurity between the first gateway to the webserver, safe transmission layer protocol) link, for HTTP transmission in upper strata provides safeguard protection; Sip message in first gateway and webserver verification process can not do encipherment protection.In like manner, the certification between the second gateway with this webserver also can adopt the authentication mode identical with the webserver with this first gateway to carry out certification.
Further, the method is further comprising the steps of:
S12, this first gateway send the request of the content of multimedia update notification service of subscribing to this second gateway to this webserver, and when this webserver confirms the request that this update notification serves, set up the notification service relation occurring about the content of multimedia of this second gateway with this webserver to upgrade;
S13, after the content of multimedia of this second gateway upgrades, this first gateway receive this webserver send the content of multimedia about this second gateway occur upgrade notice.
By above-mentioned steps S12 and step S13, the notification service relation that this webserver occurs about the content of multimedia of this second gateway to upgrade is set up between first gateway and this webserver, after the content of multimedia of the second gateway upgrades, this webserver real time propelling movement update notification gives the first gateway, if the first gateway is wanted to obtain the content of multimedia upgraded, step S10 can be performed.
The webserver prestores subscription list and the multimedia device content inventory of each gateway be connected with it, as: the subscription list and content of multimedia inventory etc. (the 3rd gateway can be home gateway) that store the subscription list of the first gateway and content of multimedia inventory, the subscription list of the second gateway and content of multimedia inventory, the 3rd gateway.Namely the subscription list of the first gateway represents other gateway inventories that this first gateway is paid close attention to.Subscription list comprises multinomial record, and every bar record comprises: subscriber identity mark, observer's identify label, in present condition, relation condition, positional information, the term of validity, initial time, interim conversation secret key, observer's content update, wherein, the record that one is paid close attention to the second gateway as saved in the subscription list of the first gateway, then subscriber identity is designated the identify label of the first gateway, observer's identify label is the second Gateway identity mark, be that the current state information of the second gateway (comprises online in present condition, off-line, hurry now), relation condition is whether the first gateway and the second gateway confirm to subscribe to (comprise confirm and to be confirmed), positional information is the positional information of the second gateway, the term of validity is the term of validity of the subscribing relationship of the first gateway and the second gateway, initial time is the initial time of the subscribing relationship of the first gateway and the second gateway, interim conversation secret key is used for being that the first gateway is set up communication with the second gateway and is connected, observer's content update represents whether the content of multimedia inventory of the second gateway upgrades and (comprises and be, no), the subscription list of the first gateway also comprises the subscription record (the 4th gateway can be home gateway) of this first gateway and the 3rd gateway, the 4th gateway etc.In like manner, the subscription list of the second gateway of this webserver preservation is identical with the structure of the subscription list of the first gateway.
The content of multimedia inventory of the first gateway that this webserver stores and the second gateway is XML format, described content of multimedia inventory at least comprises: multimedia content type, form, size, Production Time, founder, memory location, content-based hashed value and digital signature, as this second gateway content of multimedia inventory wherein one record in the following example shown in:
Wherein, memory location content-URL identifies the relative path of content of multimedia in affiliated gateway memory node, is absolute path after adding the IP address of gateway.Digital signature utilizes the public key certificate of founder place gateway and conventional hash computing function, through the CHAR that PKI calculates.Here conventional hash function comprises SHA(Secure Hash Algorithm, SHA) serial algorithm etc., PKI calculates and adopts algorithm to comprise the asymmetric-key encryption algorithms such as RSA.
In step s 12, the webserver serve according to the content of multimedia update notification of this second gateway of subscription received from this first gateway request time, in the subscription list of this first gateway, insert one newly subscribe to record A, this new relation condition of subscribing in record A is set to be confirmed, this new subscriber identity mark of subscribing in record A is set to the identify label of the first gateway, this new observer's identify label of subscribing in record A is set to the identify label of the second gateway; This webserver sends this first gateway for subscribing to its foundation the request that content of multimedia upgrades to this second gateway, receive this second gateway agree to set up with this first gateway subscribe to request that content of multimedia upgrades time, set up the notification service relation that this first gateway and this webserver occur about the content of multimedia of this second gateway to upgrade, the new relation condition of subscribing in record A in the subscription list of this first gateway is revised as confirmation;
When the webserver inserts a new subscription record A in the subscription list of the first gateway, one can also be inserted accordingly in the subscription list of the second gateway (gateway to be subscribed to) and newly subscribe to record B, this new relation condition of subscribing in record B is set to be confirmed, this new subscriber identity mark of subscribing in record B is set to the identify label of the second gateway, this new observer's identify label of subscribing in record B is set to the identify label of the first gateway.The webserver is when being revised as confirmation by the new relation condition of subscribing in record in the subscription list of this first gateway, and also the corresponding new relation condition of subscribing in record B by the second gateway is revised as confirmation; Namely the mutual subscription of the first gateway and the second gateway is realized.
Further, the notice that the content of multimedia in this step S13 occurs to upgrade is generated by server, wherein:
The webserver receives the request of the renewal content of multimedia inventory that this second gateway is uploaded, the content of multimedia inventory of the second gateway be stored in this webserver is upgraded, there is the notice upgraded in the content of multimedia generating this second gateway, and the notice of generation is sent to described first gateway.；
Can upgrade the content of multimedia inventory of the second gateway be stored in the webserver, then be observer's content update attribute flags of the subscription record of the identify label of the second gateway by observer's identify label be yes, as said to have subscribed to new observer's content update attribute flags of subscribing in record A in the subscription record of the first gateway of the second gateway be yes by above-mentioned.Same, this webserver also can receive the request of the renewal content of multimedia inventory that the first gateway is uploaded, upgrading the multimedia device content inventory of the first gateway be stored in this webserver, is then that observer's content update attribute flags of the subscription record of the identify label of the first gateway is yes by observer's identify label again.
To the first gateway, the webserver can notify that the content of multimedia inventory of its second gateway subscribed to upgrades in real time.The webserver is when knowing that the content of multimedia inventory of the second gateway has occurred to upgrade, there is the notice upgraded in the content of multimedia generating this second gateway, and the notice of generation is sent to this first gateway, this first gateway when receiving this notice, then can perform step S10.
Further, the request upgrading content of multimedia inventory is generated by this second gateway, wherein:
When this second gateway receives the content of multimedia of user terminal uploads, this second gateway upgrades the content of multimedia be stored in this second gateway and content of multimedia inventory, generate the request of this renewal content of multimedia inventory, and the request of this renewal content of multimedia inventory generated is sent to the described webserver;
Second gateway can upgrade the content of multimedia inventory and content of multimedia that are stored in this second gateway according to the content of multimedia of connected user terminal uploads.The multiple user terminals be connected with this second gateway access by wired or wireless local area network (LAN) mode, the user terminal of the second gateway to access also needs to do certification, by PPPoE(point-to-point protocol over Ethernet, PPP on Ethernet), EAP-TLS(Extensible Authentication Protocol-Transport Layer Security, the one of Extensible Authentication Protocol), EAP-MD5(Extensible Authentication Protocol-Message-Digest Algorithm5, the one of Extensible Authentication Protocol), EAP-SIM(ExtensibleAuthentication Protocol-Subscriber Identity Module, the one of Extensible Authentication Protocol), the one of EAP-AKA(Extensible Authentication Protocol).The multiple subscriber equipment terminals be connected with this second gateway can be desktop computer, notebook, mobile phone etc., when this user has made one section of content of multimedia S by this notebook, by local area network (LAN), the content of multimedia S of this making are transferred to the second gateway; Second gateway stores this content of multimedia S, and upgrades the content of multimedia inventory that this second gateway stores accordingly.This second gateway upgrades the content of multimedia be stored in this second gateway and content of multimedia inventory according to this content of multimedia S, generate the request upgrading content of multimedia inventory, and the request of the renewal content of multimedia inventory of generation is sent to the webserver, the content of multimedia that informing network server second gateway stores there occurs renewal.
As shown in Figure 2, be the structured flowchart of content of multimedia interactive device of the present invention, comprise: the first gateway 100, this first gateway 100 comprises:
First transceiver module 10, for sending the request of the content of multimedia inventory of acquisition second gateway to the webserver, and receive the content of multimedia inventory of this second gateway from this webserver and receive this first gateway of confession and the second gateway and set up the interim conversation secret key that communication is connected;
Connection establishment module 20, is connected with the communication of the second gateway for setting up described first gateway according to this interim conversation secret key;
Second transceiver module 30, connects for the communication of setting up according to this connection establishment module 20 and sends to this second gateway the request obtaining the content of multimedia that this content of multimedia inventory maps, and receives the content of multimedia that this second gateway sends over.
The webserver is connected with the first gateway, the second gateway by the Internet, and the first gateway is connected multiple subscriber terminal equipment respectively with the second gateway.
When the first gateway 100 wishes the content of multimedia that acquisition second gateway stores, first sent the request of the content of multimedia inventory of acquisition second gateway to this webserver by the first transceiver module 10.This first gateway 100 is connected with this webserver by the Internet with the second gateway, as: the first gateway 100 is connected with the webserver by the Internet with the second gateway.
When the webserver receives the request of the content of multimedia inventory of acquisition second gateway that the first gateway 100 sends, the content of multimedia inventory of this second gateway is searched in this webserver, then the content of multimedia inventory of this second gateway is sent to this first gateway, then the content of multimedia inventory of this second gateway is sent to this first gateway, and generate an interim conversation secret key, and this interim conversation secret key is sent to the first gateway 100 and the second gateway respectively.First gateway 100 and the second gateway are in the term of validity of this interim conversation secret key, set up communication by this interim conversation secret key to connect, carry out data interaction, as: this first gateway 100 sends request to this second gateway, the content of multimedia that content of multimedia inventory in the second gateway that acquisition request obtains from this webserver maps, this second gateway sends corresponding content of multimedia according to the request of the first gateway 100 to it.This first gateway and the second gateway can be home gateways.
Further, this first gateway 100 comprises:
Authentication module 40, for sending authentication request to this webserver, and sets up communication with this webserver and is connected after this webserver authentication success.
For realizing fail safe mutual between the first gateway 100 and the webserver, certification can be carried out to the first gateway 100 of access network server, the mark of certification can be a certificate based on open Key Infrastructure, also can be present in the first gateway 100 operator issue Universal Integrated Circuit Card (Universal Integrated Circuit Card, UICC) among.Certification is realized by the authentication module 40 of the first gateway 100.Certification between second gateway with this webserver also can adopt the authentication mode identical with the webserver with this first gateway to carry out certification.
Further, this first gateway 100 also comprises:
3rd transceiver module 50, for sending the request of the content of multimedia update notification service of subscribing to this second gateway to this webserver, and when this webserver confirms the request that this update notification serves, set up the notification service relation occurring about the content of multimedia of this second gateway with this webserver to upgrade; And for after the content of multimedia of this second gateway upgrades, receive the notice of the generation of the content of multimedia about this second gateway renewal that this webserver sends.
The notification service relation that this first gateway 100 occurs about the content of multimedia of this second gateway to upgrade by setting up this webserver between the 3rd transceiver module 50 and this webserver, after the content of multimedia of the second gateway upgrades, this webserver real time propelling movement update notification gives the first gateway.
The webserver prestores subscription list and the content of multimedia inventory of each gateway be connected with it, as: the subscription list and content of multimedia inventory etc. (the 3rd gateway and the 4th gateway can be home gateways) that store the subscription list of the first gateway 100 and content of multimedia inventory, the subscription list of the second gateway and content of multimedia inventory, the subscription list of the 3rd gateway and content of multimedia inventory, the 4th gateway.Namely the subscription list of the first gateway 100 represents other gateway inventories that this first gateway 100 is paid close attention to.Subscription list comprises multinomial record, and every bar record comprises: subscriber identity mark, observer's identify label, in present condition, relation condition, positional information, the term of validity, initial time, interim conversation secret key, observer's content update, wherein, the record that one is paid close attention to the second gateway as saved in the subscription list of the first gateway 100, then subscriber identity is designated the identify label of the first gateway 100, observer's identify label is the second Gateway identity mark, be that the current state information of the second gateway (comprises online in present condition, off-line, hurry now), relation condition is whether the first gateway 100 and the second gateway confirm to subscribe to (comprise confirm and to be confirmed), positional information is the positional information of the second gateway, the term of validity is the term of validity of the subscribing relationship of the first gateway 100 and the second gateway, initial time is the initial time of the subscribing relationship of the first gateway 100 and the second gateway, interim conversation secret key is used for being that the first gateway 100 is set up communication with the second gateway and is connected, observer's content update represents whether the content of multimedia inventory of the second gateway upgrades and (comprises and be, no), subscription list also comprises the subscription record of this first gateway 100 and the 3rd gateway, the 4th gateway etc.In like manner, the subscription list of the second gateway of this webserver preservation is identical with the structure of the subscription list of the first gateway 100.
The first gateway that this webserver stores and the content of multimedia inventory of the second gateway are XML format, this content of multimedia inventory at least: multimedia content type, form, size, Production Time, founder, memory location, content-based hashed value and digital signature.
The webserver serve according to the content of multimedia update notification of this second gateway of subscription received from this first gateway 100 request time, in the subscription list of this first gateway 100, insert one newly subscribe to record A, this new relation condition of subscribing in record A is set to be confirmed, this new subscriber identity mark of subscribing in record A is set to the identify label of the first gateway, this new observer's identify label of subscribing in record A is set to the identify label of the second gateway; This webserver sends this first gateway for subscribing to its foundation the request that content of multimedia upgrades to this second gateway, receive this second gateway agree to set up with this first gateway subscribe to request that content of multimedia upgrades time, set up the notification service relation that this first gateway and this webserver occur about the content of multimedia of this second gateway to upgrade, the new relation condition of subscribing in record A in the subscription list of this first gateway is revised as confirmation;
When the webserver inserts a new subscription record A in the subscription list of the first gateway, one can also be inserted accordingly in the subscription list of the second gateway (gateway to be subscribed to) and newly subscribe to record B, this new relation condition of subscribing in record B is set to be confirmed, this new subscriber identity mark of subscribing in record B is set to the identify label of the second gateway, this new observer's identify label of subscribing in record B is set to the identify label of the first gateway.The webserver is when being revised as confirmation by the new relation condition of subscribing in record in the subscription list of this first gateway, and also the corresponding new relation condition of subscribing in record B by the second gateway is revised as confirmation; Namely the mutual subscription of the first gateway and the second gateway is realized.
Further, the notice that the content of multimedia that 3rd transceiver module 50 receives occurs to upgrade is generated by the webserver, wherein, this webserver receives the request of the renewal content of multimedia inventory that this second gateway is uploaded, the content of multimedia inventory of the second gateway be stored in this webserver is upgraded, there is the notice upgraded in the content of multimedia generating this second gateway, and the notice of generation is sent to this first gateway.
Further, the request of this renewal content of multimedia inventory is generated by this second gateway, wherein: when this second gateway receives the content of multimedia of user terminal uploads, this second gateway upgrades the content of multimedia be stored in this second gateway and content of multimedia inventory, generate the request of this renewal content of multimedia inventory, and the request of this renewal content of multimedia inventory generated is sent to this webserver.
The foregoing is only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (10)
1. a content of multimedia exchange method, is characterized in that, the method comprises:
First gateway sends the request of the content of multimedia inventory of acquisition second gateway to the webserver;
Described first gateway receives the content of multimedia inventory of described second gateway from the described webserver, and receives and set up for described first gateway and the second gateway the interim conversation secret key that communication is connected;
Described first gateway is set up communication according to described interim conversation secret key with described second gateway and is connected, described first gateway sends the request of content of multimedia obtaining described content of multimedia inventory and map to described second gateway, and receives the content of multimedia that described second gateway sends over.
2. method according to claim 1, is characterized in that, send the request of the content of multimedia inventory of acquisition second gateway to the webserver at described first gateway before, the method also comprises:
Described first gateway sends authentication request to the described webserver, and after described webserver authentication success, sets up communication with the described webserver be connected.
3. method according to claim 1, is characterized in that, the method also comprises:
Described first gateway sends the request of the content of multimedia update notification service of subscribing to described second gateway to the described webserver, and when the described webserver confirms the request that described update notification serves, set up the notification service relation occurring about the content of multimedia of described second gateway with the described webserver to upgrade;
After the content of multimedia of described second gateway upgrades, described first gateway receives the notice of the generation of the content of multimedia about the described second gateway renewal that the described webserver sends.
4. method according to claim 3, is characterized in that, the notice that described content of multimedia occurs to upgrade is generated by the described webserver, wherein:
The described webserver receives the request of the renewal content of multimedia inventory that described second gateway is uploaded, the content of multimedia inventory of the second gateway be stored in the described webserver is upgraded, there is the notice upgraded in the content of multimedia generating described second gateway, and the notice of generation is sent to described first gateway.
5. method according to claim 4, is characterized in that, the request of described renewal content of multimedia inventory is generated by described second gateway, wherein:
When described second gateway receives the content of multimedia of user terminal uploads, described second gateway upgrades the content of multimedia be stored in this second gateway and content of multimedia inventory, generate the request of described renewal content of multimedia inventory, and the request of the described renewal content of multimedia inventory generated is sent to the described webserver.
6. a content of multimedia interactive device, is characterized in that, comprises the first gateway, and described first gateway comprises:
First transceiver module, for sending the request of the content of multimedia inventory of acquisition second gateway to the webserver, and receive the content of multimedia inventory of described second gateway from the described webserver and receive described first gateway of confession and the second gateway and set up the interim conversation secret key that communication is connected;
Connection establishment module, is connected with the communication of the second gateway for setting up described first gateway according to described interim conversation secret key;
Second transceiver module, the communication for setting up according to described connection establishment module connects and sends to described second gateway the request obtaining the content of multimedia that described content of multimedia inventory maps, and receives the content of multimedia that described second gateway sends over.
7. device according to claim 6, is characterized in that, described first gateway also comprises:
Authentication module, for sending authentication request to the described webserver, and sets up communication with the described webserver and is connected after described webserver authentication success.
8. device according to claim 6, is characterized in that, described first gateway also comprises:
3rd transceiver module, for sending the request of the content of multimedia update notification service of subscribing to described second gateway to the described webserver, and when the described webserver confirms the request that described update notification serves, set up the notification service relation occurring about the content of multimedia of described second gateway with the described webserver to upgrade; And for after the content of multimedia of described second gateway upgrades, receive the notice of the generation of the content of multimedia about the described second gateway renewal that the described webserver sends.
9. device according to claim 8, it is characterized in that, the notice that described content of multimedia occurs to upgrade is generated by the described webserver, wherein, the described webserver receives the request of the renewal content of multimedia inventory that described second gateway is uploaded, upgrade the content of multimedia inventory of the second gateway be stored in the described webserver, there is the notice upgraded in the content of multimedia generating described second gateway, and the notice of generation is sent to described first gateway.
10. device according to claim 9, it is characterized in that, the request of described renewal content of multimedia inventory is generated by described second gateway, wherein: when described second gateway receives the content of multimedia of user terminal uploads, described second gateway upgrades the content of multimedia be stored in this second gateway and content of multimedia inventory, generate the request of described renewal content of multimedia inventory, and the request of the described renewal content of multimedia inventory generated is sent to the described webserver.
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