CN1798048A - Method and device of sharing content information - Google Patents
Method and device of sharing content information Download PDFInfo
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- CN1798048A CN1798048A CNA2004101029963A CN200410102996A CN1798048A CN 1798048 A CN1798048 A CN 1798048A CN A2004101029963 A CNA2004101029963 A CN A2004101029963A CN 200410102996 A CN200410102996 A CN 200410102996A CN 1798048 A CN1798048 A CN 1798048A
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
- G06F16/10—File systems; File servers
- G06F16/18—File system types
- G06F16/182—Distributed file systems
- G06F16/1834—Distributed file systems implemented based on peer-to-peer networks, e.g. gnutella
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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
- H04L67/01—Protocols
- H04L67/10—Protocols in which an application is distributed across nodes in the network
- H04L67/104—Peer-to-peer [P2P] networks
- H04L67/1074—Peer-to-peer [P2P] networks for supporting data block transmission mechanisms
- H04L67/1078—Resource delivery mechanisms
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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
- H04L67/2866—Architectures; Arrangements
- H04L67/2895—Intermediate processing functionally located close to the data provider application, e.g. reverse proxies
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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
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
- H04L67/303—Terminal profiles
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
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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
- H04L67/50—Network services
- H04L67/56—Provisioning of proxy services
- H04L67/565—Conversion or adaptation of application format or content
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- Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)
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Abstract
The method includes following steps: a first device receives the content information request from a second device; the content information request includes the performance information about the second device; the first device reads out the content information, and filters the content information availably provided by first device in term of the performance information of the second device, and sends the filtered content information availably provided by first device to the second device.
Description
Technical field
The present invention relates to share on the network the technology of content, relate in particular to the technology of in network, sharing the information of content.
Background technology
Along with the development of electronic technology relevant with the consumer, the content of forms such as music and film needn't bundle with the physical medium that is used to carry again.The development of consumer digital technology makes the user can share foregoing in network or dedicated network.This network can be connected with personal computer, notebook, set-top box, gateway, media center, consumer-elcetronics devices and mobile device or the like.Under this network environment, when carrying out content shared, also need for content provides suitable protection mechanism, make protected content share effectively between the equipment being authorized to.For this reason, the broadcast encryption technology based on public key technology provides effectively shared and protected mode.Compare with public key approaches, broadcast enciphering processing expenditure in corresponding apparatus is lower.In addition, broadcast encryption protocol is unidirectional, do not need low layer in the two-way handshake process of server end.And the dependence of shaking hands increase equipment being connected for the server end network of low layer, thereby weakening is used for the usability of the scheme of copy protection.International Business Machines Corp. has developed a kind of content protective system based on broadcast enciphering, is called extensible content protection (eXtensible Content Protection, i.e. xCP).XCP supports to be called the inter-trust domain of " cluster (cluster) ", and cluster is grouped together the equipment that meets the xCP cluster protocol of some.The structure of this cluster as shown in Figure 1.In the cluster with specified cluster information, content can freely be transmitted between the equipment in cluster.But these contents are disabled for the equipment outside the cluster.In a dedicated network, one or more clusters can be arranged.
Above-mentioned prior art is providing content protecting and when shared, may have multiple different equipment as shown in Figure 1 in the network, as the PDA among Fig. 1 120, set-top box/TV 130, computer 140 and DVD player 150.Content (as media content) can be by duplicating or the forms such as (as Media Streams) that flows is shared between authorized equipment.But in the network that this distinct device is formed, share content, the problem that exists content between equipment, to share effectively sometimes.Even content can't realize sharing between equipment sometimes, causes the waste of manpower or resource.
Summary of the invention
Based on the deficiency of prior art, technical problem to be solved by this invention provides a kind of high efficiency method and corresponding device thereof that content is shared that be used for.
According to an aspect of the present invention, the invention provides a kind of method of shared content information, comprising: one first equipment is by the request for content information of network reception from least one second equipment, and described request for content information comprises the performance information of described second equipment; Described first equipment takes out the information of the content that first equipment can provide; Described first equipment is according to the performance information of described second equipment, and the information of the content that can provide first equipment is filtered; And the information of first equipment of described first equipment after will the filtering content that can provide sends to described second equipment.
According to a further aspect in the invention, the present invention also provides a kind of equipment that is used for sharing content information, this equipment is first equipment, this first equipment comprises: communication module, be used for carrying out information interaction, and reception is from the request for content information of described second equipment by network and at least one second equipment; Content managing module is used to manage the information of the content that this equipment can provide; It is characterized in that comprising the performance information of this second equipment from the request for content information of described second equipment, described first equipment also comprises: the content information filter, be used for performance information according to this second equipment, the information of the content that can provide described equipment is filtered, and the information of the content that first equipment after filtering can be provided sends to described second equipment.
The present invention also provides a kind of method that is used for sharing content information, and comprising: first equipment sends to second equipment with request for content information by network, and described request for content information comprises the performance information of described first equipment; First equipment is from the described second equipment received content information, and described content information is by the performance information of described second equipment according to first equipment, and the information of the content that can provide second equipment is filtered and obtained.
The present invention also provides a kind of equipment that is used for sharing content information, and this equipment is first equipment, and this first equipment comprises: communication module is used for carrying out information interaction by the network and second equipment; The equipment performance administration module is used to manage the performance information of described first equipment; And content information processor, be used for forming request for content information according to the performance information of first equipment, issue second equipment on the network by communication module, and receive the content information that second equipment returns by communication module, wherein, the described content information that returns is by the performance information of described second equipment according to first equipment, and the information of the content that can provide second equipment is filtered and obtained.
The present invention shares content information effectively by the performance according to equipment, thereby has realized that content the effective of content between equipment shares.
The present invention's first equipment also can have the sharing functionality of the foregoing information of second equipment, and second equipment also can be carried out the method for sharing of the foregoing information of first equipment).At this moment, equipment being divided into first equipment and second equipment only is convenience in order to describe.But, those having ordinary skill in the art will appreciate that the function that first equipment and described second equipment are had also can be identical or different as the case may be.
Compare with the client-server pattern, preferred described first equipment of the present invention and described second equipment are reciprocity in network or cluster.Wherein, first equipment and second equipment are carried out method of the present invention respectively relatively independently.
Description of drawings
Fig. 1 shows a kind of schematic diagram that can implement dedicated network of the present invention.
Fig. 2 is the content information sharing means according to one embodiment of the invention.
Fig. 3 is the flow chart that content information is according to another embodiment of the present invention shared.
Fig. 4 is the flow chart of content information updating according to another embodiment of the present invention.
Embodiment
The present invention is applicable to that (but being not limited to) implement in medium and small network, especially be adapted to implement in the network that uses broadcast encryption method, as implementing in the network that uses the xCP technology.The present invention also is suitable in the network of other type, implements in the network as the shared content of needs such as home network or office network.Execution mode below in conjunction with prior art only is used to illustrate the present invention, and non-limiting the present invention.
Broadcast encryption method is a kind of method that is used for sharing content of knowing in this area.In the network that uses broadcast encryption method, its Device keys of each equipment utilization (DeviceKey) of sharing protected content solves a managing keys (Management Key) from a cipher key management block KMB (Key Management Block).This managing keys is used to protect shared content.Can share the equipment cluster of common formation or the territory of protected content.In the present invention, can share content preferably protects by broadcast encryption techniques.
The present invention in the network that uses broadcast encryption method, is reciprocity between the equipment in network or cluster preferably.Wherein, each equipment in the cluster is adding the authentication based on broadcast encryption techniques by each other of relevant episode group time, but sharing media content.In addition, each equipment can be distinguished and implements the present invention relatively independently.
Be used for the xCP network in the present invention, when promptly using in the network of xCP technology, preferred equipment wherein is reciprocity in the relevant cluster of xCP or same cluster.
Fig. 1 shows a kind of schematic diagram that can implement dedicated network of the present invention.In Fig. 1, content is shared between PDA 120, set-top box/TV 130, computer 140 and DVD player 150.License Proxy 110 is used for the management of Device keys and cipher key management block.Himself Device keys of each equipment utilization among Fig. 1 always solves managing keys respectively in permission agency 110 cipher key management block that provide.Between these equipment, share content then on a 50-50 basis or end-to-end.These can share cluster of the common composition of equipment of content by network.But, in the peer-to-peer network that this distinct device is formed,, exist content between equipment, to share effectively sometimes owing to share content type, required memory space and the network bandwidth and equipment performance difference, copy and the problem of playing cause the waste of manpower or resource.
In the network shown in fig. 1, extensible content protection (eXtensible Content Protection, the i.e. xCP) technology that also can use IBM Corporation to provide.The xCP technology is implemented in PDA 120, set-top box/TV 130, computer 140 and DVD player 150, and they form the xCP cluster jointly.In this xCP cluster, content is shared between these equipment.For example, computer 140 or set-top box/TV 130 can be play the media content that is stored in the DVD player 150.Though also nonessential, according to network of the present invention,, have following feature usually as the xCP network.
1. peer network architecture (Peer to peer network structure)
In peer network architecture, there is not central server, be loose coupling between each equipment.When equipment deviated from network or adding network, cluster topology dynamically changes.
2. content distributed storage
Content is stored on the different equipment.When an equipment will present the content that is stored on other equipment, need to adopt the mechanism of visit far-end content, as duplicate or Media Stream mechanism.
3. the diversity of media processing capacity
Various device in the network has different hardware and software media players, and also one or more media players may be installed on same equipment.
4. many kinds of different structures
Network generally comprises the plurality of devices with different system performance, as display performance, decoder capabilities, processor performance, storge quality and connect the bandwidth of (Ethernet, WLAN (wireless local area network) or blueteeth network connect or the like) or the like based on heterogeneous networks.
In environment shown in Figure 1, shared content dynamically changes.Correspondingly, the content change in the awareness network in real time of equipment wherein.Typically, content information can be shared in the client-server pattern, and the client-server pattern has central controlled catalogue or registration service.That is an equipment is registered to the center Control Server with content information, and miscellaneous equipment obtains the information of sharing content from server.The general use of this solution is derived from the technology that is applied to enterprise, as JNDI/LDAP.Some are home network media application customized solution, and for example the registration service of the integrated network multimedia middleware of open source project (Network-Integrated Multimedia Middleware) is also worked under aforesaid way.And traditional peer system generally all comprises and is used for that content is shared and the server of popularity.For example, the method that among U.S. Patent application US 2003/0005035 A1 and US 2003/0204613, provides.
But this solution of prior art is difficult to solve the intrinsic problem that exists in the above-mentioned peer-to-peer network.In this dedicated network, generally do not have the very high center Control Server of availability, and the equipment fault relevant with center control content information can have problems also.In addition, owing to lack device capability information, this scheme does not satisfy the needs of different structure yet.Some equipment may obtain in cluster all the elements information of sharing, and this equipment is owing to reasons such as its systematic function or contents processing abilities, only can the processing section content, and as partial content is presented on this equipment.Therefore, when equipment will present the content that exceeds its device systems performance and contents processing ability (as media processing capacity), will make mistakes.For example, one by one personal digital assistant (PDA) but reproducible a very big film in its local storage device, perhaps the MP3 player attempts to play the MPEG4 content.
Current, some performance informations are used to the mobile network access to web page.Typical this kind equipment comprises W3CDevice Independent equipment and OMA (Open Mobile Alliance) equipment.These technology are mainly used in traditional client/server structure, and can't satisfy the needs of peer system structure.For example, in these technology, change dynamics is not notified the mechanism of client's side and the ability that precognition may be carried out the sharing equipment set in server one side.
The invention provides a kind of method based on reciprocity performance, for example the dedicated network that has the xCP performance in the network of using the xCP technology is wherein dynamically shared content information according to the performance of equipment as a virtual media equipment.Each equipment is in charge of local content information and local device performance information.Like this, just can be based on the content information in the capability request cluster of equipment.The variation of the content information in each equipment, perhaps the cluster changes of topology structure will trigger the renewal of content information.
The present invention has the following characteristics that have.
1. be used for the peering structure that content is shared
In cluster, each plant maintenance also dynamically updates content and content information.Network configuration is harmonious.
2. based on the information sharing of performance
Each equipment can select only to obtain the information of the content that can handle or present according to its equipment performance.This can be avoided duplicating or present for the useless content of particular device, and avoids a large amount of too much users' intervention.That is the user needn't consider the systematic function and/or the contents processing ability of the equipment that it is using according to the content information chosen content time.The user even must not understand systematic function and/or the contents processing ability and the memory location of content in network of its equipment that is using, and directly selects the content of its needs to get final product according to content information.
3. comprehensive equipment performance
Be used for the shared performance of content and comprise static and dynamical system performance and media processing capacity, wherein media processing capacity is included in the disposal ability of all the software and hardware media players in the device systems.
4. dynamic content information is upgraded
The change of content information will be broadcasted on one's own initiative.The renewal of content information can be triggered by the variation of content change, cluster topology or the variation of equipment performance.
5. fault-tolerant
Compare with the client-server pattern, have the fault freedom that system layer changes and cluster changes of equipment.The fault of a machine or variation are limited for the influence of whole cluster.
Fig. 2 is the content information shared device according to one embodiment of the invention.As shown in Figure 2, according to an aspect of the present invention, be used for content sharing equipment 200 and comprise with lower member.
Request for content information (CONTENT_INFO_REQUEST)
Requesting service sends the message to the equipment of being requested, so that the content information of request shared.Comprise the systematic function of information, requesting service of the cluster under the requesting service and media play performance or the like in this content request message.
Content information (CONTENT_INFO)
The equipment that is requested sends content information with the response contents request message.Content information comprise according to the capability request equipment of requesting service the full detail of treatable shared content.
Notice refreshes (NOTIFY_REFRESH)
When the content of this locality changes, send the notice refresh message to miscellaneous equipment, so that notify local content change
XCP cluster management module 203
XCP cluster management module 203 is safeguarded the information of the xCP cluster of this local device institute subordinate.The establishment of cluster is based on broadcast encryption mechanisms (broadcast encryption mechanism), and cluster is included in all that wherein can share content and is authorized to equipment.The change of cluster topological structure, leaving of the adding of new equipment and existing device for example given miscellaneous equipment in the cluster with trigger notice, and triggered content information updating affairs in the cluster.
Media processing capacity administration module 206
Media processing capacity administration module 206 is as the virtual media player and manage whole media players 210.These media players 210 can be used for being presented on the xCP content that cluster is shared.Media processing capacity administration module 206 obtains media processing capacity information from the media player of being managed, and comprises medium type and input pattern that media player is supported.When the media processing capacity of local device changed, media processing capacity administration module 206 can trigger the affairs of a content information updating and give cluster interior miscellaneous equipment.
Systematic function administration module 207
Systematic function administration module 207 is safeguarded the local system performance relevant with information processing, comprises network connection information and exploration on display resolution ratio and color setting or the like of CPU information, memory information, memorizer information, equipment.When the systematic function of local device changed, systematic function administration module 207 can trigger the affairs of a content information updating and give cluster interior miscellaneous equipment.
XCP content managing module 208
XCP content managing module 208 is used to manage the xCP content of whole local ciphers, and local content information, for example title of content, type, storage size or the like are provided.The xCP content of local cipher is stored in the local content repository 218.XCP content managing module 208 offers content information processor 204 and content information filter 205 with content information.When local content changes, as when having increased new content, the affairs that xCP content managing module 208 can trigger a content information updating are given the miscellaneous equipment in the cluster.These can be shared content and preferably protect by broadcast encryption techniques.
The composition that being used among Fig. 2 shared the equipment of content information only is exemplary, is to be used to illustrate the present invention and non-limiting the present invention.According to a kind of equipment that is used for sharing content information of the present invention, this equipment is first equipment, this first evaluation method selecting optimal equipment comprises: communication module 202, be used for carrying out information interaction, and reception is from the request for content information of described second equipment by network and at least one second equipment; Content managing module 208 is used to manage the information of the content that this equipment can provide; Wherein, the performance information that comprises this second equipment from the request for content information of described second equipment, described first equipment also comprises: content information filter 205, be used for performance information according to this second equipment, the information of the content that can provide described equipment is filtered, and the information of the content that first equipment after filtering can be provided sends to described second equipment.This first equipment can only that content information side is required content offer second equipment.
Corresponding with the said equipment, another kind according to the present invention is used for sharing the equipment of content information, and this equipment is first equipment, and this first evaluation method selecting optimal equipment comprises: communication module 202 is used for carrying out information interaction by the network and second equipment; Equipment performance administration module 206 or 207 is used to manage the performance information of described first equipment; With content information processor 204, be used for forming request for content information according to the performance information of first equipment, issue second equipment on the network by communication module, and receive the content information that second equipment returns by communication module 202, wherein, the described content information that returns is by the performance information of described second equipment according to first equipment, and the information of the content that can provide second equipment is filtered and obtained.This first equipment is applicable to the information of only asking miscellaneous equipment to return its required content.
Fig. 3 is the flow chart that content information is according to another embodiment of the present invention shared.Following local event will trigger this handling process and remove to collect content information in the dedicated network.User's request can be an end user or an application this this user.The change of equipment performance is as the change of systematic function change or contents processing ability.Systematic function changes one or more among the change can comprise cpu performance information, the local change that stores the change of quota, the change that increases new storage facilities, network connection information or local display performance.The change of contents processing ability can comprise installs/has deleted a contents processing software, as media player.
Shown in Fig. 3 and 4 according to embodiments of the invention among, the equipment shown in Figure 2 in conjunction with the present invention has been described in detail.Those of ordinary skill in the art understands easily, also can adopt the system or equipment structure of other type to implement the method according to this invention, can also adopt general calculation machine or calculation element to implement the method according to this invention in conjunction with the mode of software.
At step S301, the content information processor 204 of local device 380 is received the request from user's collection content information.Perhaps at step S302, the equipment performance of local device 380 changes, when changing as systematic function or media processing capacity, then media processing capacity administration module 206 or systematic function administration module 207 send one and require the request of update content information to content information processor 204.At step S303, content information processor 204 is obtained the information of the whole relevant clusters under this local device from xCP cluster management module 203.At step S304, content information processor 204 is obtained the address of the whole authorisation device (or equipment of use xCP technology) in all relevant cluster from xCP cluster management module 203.At step S305, content information processor 204 is sent request for content information according to above-mentioned address to remote equipment by communication module 202.Step S305 further comprises step S306-S312.Those of ordinary skill in the art understands easily, and local device 380 also can pass through alternate manner, and for example Guang Bo mode sends to other equipment with request, as remote equipment 390.
At step S306, content information processor 204 is obtained local media disposal ability information from media processing capacity administration module 206.At step S307, content information processor 204 is obtained the local system performance information from systematic function administration module 207.Then, at step S308, content information processor 204 appends to local system performance information and local media disposal ability information among the request for content information message CONTENT_INFO_REQUEST, and this message is sent to the equipment of all other connections by communication module 202, as remote equipment 390.
The step of carrying out on remote equipment 390 comprises step S309-S312.At step S309, remote equipment receives request for content information message CONTENT_INFO_REQUEST.At step S310, the content information filter of remote equipment obtains its local content information from the xCP content managing module.At step S311, the content information filter of remote equipment is according to the system performance information of the equipment in the content request message CONTENT_REQUEST 380 and the local content information of media processing capacity information filtering remote equipment 390.At step S312, the local content information of remote equipment after the equipment 380 that sends content request message is beamed back its filtration.At step S313, the content information processor 204 of local device 380 checks whether received response from all requested equipment.If then carry out step S314.If not, then at the local repeating step S306 to S308 of the equipment of the request of sending, and the remote equipment execution in step S309-S312 of response not.At step S314, content information processor 204 is presented to the user with far-end content information and local content information.Like this, send the equipment 380 of request, just only obtained the information of its content that can handle or present.Then, the user of this local device 380 can be as required, by the mode request content corresponding that adapts with its system capability.And the content of request must to be its system be suitable for handling, and its local media player can be play.
Persons of ordinary skill in the art may appreciate that step S314 also can be in the process that step S306-S313 repeats, execution is in due course.
The method that being used among Fig. 3 shared content information only is exemplary, is to be used to illustrate the present invention and non-limiting the present invention.Method according to a kind of shared content information of the present invention preferably includes: step S309, and one first equipment is by the request for content information of network reception from least one second equipment, and described request for content information comprises the performance information of described second equipment; Step S310, described first equipment take out the information of the content that first equipment can provide; Step S311, described first equipment be according to the performance information of described second equipment, and the information of the content that can provide first equipment is filtered; And step 312, the information of the content that first equipment after described first equipment will filter can provide sends to described second equipment.
Corresponding with said method, another kind according to the present invention is used for sharing the method for content information, preferably include: step S306 and/or S307 first equipment send to second equipment with request for content information by network, and described request for content information comprises the performance information of described first equipment; First equipment is from the described second equipment received content information, and described content information is by the performance information of described second equipment according to first equipment, and the information of the content that can provide second equipment is filtered and obtained.
According to the present invention, the far-end incident as the notice of remote equipment content changing or the notice of cluster topology change, can trigger the renewal of content information in dedicated network.
Fig. 4 show according to of the present invention a kind of in dedicated network the method for update content information.In the method, when the content on some equipment changes, in dedicated network, carry out content information updating.
At first, at step S401, the content information processor of equipment B receives the information of its local content changing from the xCP content managing module.At step S402, equipment B is obtained the information of cluster relevant with equipment B in dedicated network.At step S403, equipment B is obtained the address of the whole authorisation device (or equipment of use xCP technology) in all relevant cluster.At step S404, the generation of equipment B notice refresh message NOTIFY_REFRESH also sends to the said equipment.At step S417, the notified refresh message NOTIFY_REFRESH of miscellaneous equipment (device A as shown in FIG.).At step S418, according to refresh message, device A (as local device) and equipment B (as remote equipment) will be carried out and the similar content information process of step S305 mentioned above.Device A will be carried out the process similar to the step S306-S308 among Fig. 3 as local device, and equipment B will be carried out the process similar to the step S309-S312 among Fig. 3 as remote equipment.
Like this, the change of the content in dedicated network on equipment just is broadcast to equipment relevant in the network, and the information of the resource in its network that can utilize that upgrades in time in relevant equipment.
Below change the change of the topological structure that will cause the xCP cluster, and shared content will change correspondingly also in network.A new equipment is authorized to add this xCP cluster, the equipment that perhaps belongs to this cluster by physical connection again to the dedicated network at cluster place.One equipment logically leaves this cluster, and perhaps the dedicated network of equipment and cluster disconnects physical connection.
Also show update content information processing flow process when the cluster topological structure changes among Fig. 4.When the cluster topology at device A place changed, the xCP cluster management module content of announcement message handler of device A was carried out corresponding the processing.The information that the cluster topology changes can obtain in the following manner, device A can be regularly or by phased manner with cluster in miscellaneous equipment communicate the variation of finding out the cluster topology, also can be that the equipment dispatch order that the cluster topology is changed is given miscellaneous equipment.The information that the cluster topology changes also can obtain by the alternate manner that those of ordinary skill in the art knows.At step S414, device A receives the notice that group of planes topology changes.In step S415, judge the type that the cluster topology changes.If a remote equipment logically leaves this cluster, perhaps the dedicated network of a remote equipment and cluster disconnects physical connection, execution in step S416 then, the deletion content information relevant with this remote equipment from this equipment of device A.If a new equipment is authorized to add this xCP cluster, the equipment that perhaps belongs to this cluster by physical connection again to the dedicated network at cluster place, execution in step S418 then, device A and remote equipment will carry out and the similar content information process of step S305 mentioned above.Device A will be carried out the process similar to step S306-S308 as local device, and remote equipment will be carried out the process similar to step S309-S312.
Abovely the present invention is described in detail, but is appreciated that above embodiment only is used for explanation and non-limiting the present invention in conjunction with the optimum seeking method scheme.Those skilled in the art can make amendment and not break away from spirit of the present invention scheme shown in of the present invention.
Claims (34)
1. the method for a shared content information comprises:
One first equipment is by the request for content information of network reception from least one second equipment, and described request for content information comprises the performance information of described second equipment;
Described first equipment takes out the information of the content that first equipment can provide;
Described first equipment is according to the performance information of described second equipment, and the information of the content that can provide first equipment is filtered; And
The information of the content that first equipment after described first equipment will filter can provide sends to described second equipment.
2. method according to claim 1, wherein said first equipment and described second equipment are arranged in the network of a use broadcast encryption techniques.
3. method according to claim 1, wherein said first equipment and described second equipment are arranged in the relevant cluster or the same cluster of xCP (extensible content protection) network.
4. method according to claim 1, wherein said first equipment and described second equipment are reciprocity in network.
5. method according to claim 3, wherein said first equipment and described second equipment are reciprocity in cluster.
6. method according to claim 5 further comprises step:
Described first equipment sends at least one second equipment in the network with a request for content information, and described request for content information comprises the performance information of described first equipment;
Described first equipment receives the content information that returns, and the described content information that returns is by the performance information of described second equipment according to first equipment, and the information of the content that can provide described second equipment is filtered and obtained.
7. according to each described method among the claim 1-5, further comprise step:
Described first equipment sends at least one second equipment in the network with a request for content information, and described request for content information comprises the performance information of described first equipment;
Described second equipment is according to the performance information of described first equipment, and the information of the content that can provide described second equipment is filtered;
The information of the content that second equipment after described second equipment will filter can provide sends to described first equipment; And
The information of the content that described first equipment reception and second equipment after filtering that stores can provide.
8. according to each described method among the claim 1-6, the performance information of wherein said equipment comprises the system performance information of described equipment and in the contents processing ability information one or more.
9. method according to claim 8, the system performance information of wherein said equipment comprise one or more among cpu performance information, memory information, storage device information, network connection information and the monitor information of described equipment.
10. method according to claim 8, the contents processing ability information of wherein said equipment comprises the media processing capacity information of equipment.
11. according to each described method among the claim 1-6, the information of the content that wherein said equipment can provide comprises the information of its local content and can offer the information of the content of miscellaneous equipment by this equipment.
12. method according to claim 6 further comprises step: described first equipment offers user or other application program with the information of the content that the information of its local content second equipment after filtering can provide.
13. according to each described method among the claim 1-6, wherein:
When first equipment and network disconnect when being connected the information of the content that described second unit deletion, first equipment can provide;
When the content that can provide when first equipment changed, perhaps when first a new equipment was connected to described network, first equipment sent a content update message to described second equipment; And
Described second equipment resends request for content information according to this updating message and gives described first equipment.
14. according to each described method among the claim 1-6, wherein:
When the performance information of described second equipment changed, described second equipment resend request for content information to first equipment.
15. an equipment that is used for sharing content information, this equipment is first equipment, and this first equipment comprises:
Communication module is used for carrying out information interaction by network and at least one second equipment, and receives the request for content information from described second equipment;
Content managing module is used to manage the information of the content that this equipment can provide;
It is characterized in that comprising from the request for content information of described second equipment performance information of this second equipment, described first equipment also comprises:
The content information filter is used for the performance information according to this second equipment, and the information of the content that can provide described equipment is filtered, and the information of the content that first equipment after filtering can be provided sends to described second equipment.
16. equipment according to claim 15, wherein said first equipment and described second equipment are arranged in the network of a use broadcast encryption techniques.
17. equipment according to claim 15, wherein said first equipment and described second equipment are arranged in the relevant cluster or the same cluster of xCP (extensible content protection) network.
18. equipment according to claim 15, wherein said first equipment and described second equipment are reciprocity in network.
19. equipment according to claim 17, wherein said first equipment and described second equipment are reciprocity in cluster.
20. according to the described equipment of claim 15-19, the performance information of wherein said second equipment comprises the system performance information of described second equipment and in the contents processing ability information one or more.
21. according to the described equipment of claim 15-19, the system performance information of wherein said second equipment comprises one or more among cpu performance information, memory information, storage device information, network connection information and the monitor information of described second equipment.
22. equipment according to claim 20, the contents processing ability information of wherein said second equipment comprises the media processing capacity information of second equipment.
23. according to each described equipment among the claim 15-19, the information of the content that wherein said first equipment can provide comprises the information of its local content and can offer the information of the content of described second equipment by first equipment.
24., further comprise according to each described equipment among the claim 15-19:
The equipment performance administration module is used to manage the performance information of described first equipment; With
Content information processor is used for forming request for content information according to the performance information of first equipment, issues miscellaneous equipment on the network by communication module, and receives the content information that miscellaneous equipment returns by communication module.
25. equipment according to claim 24 further comprises the cluster management module, be used to manage the cluster under described first equipment information or with the information of this first device-dependent cluster; And described content information processor further is configured to according to the information of described cluster request for content information be issued miscellaneous equipment.
26. equipment according to claim 24, wherein the equipment performance administration module further comprises systematic function administration module and/or contents processing Capacity Management module, wherein the systematic function administration module is used to manage the system performance information of described first equipment, and contents processing Capacity Management module is used to manage the contents processing ability information of described first equipment.
27. equipment according to claim 26, the system performance information of wherein said first equipment comprise in cpu performance information, memory information, storage device information, network connection information and the monitor information of described first equipment one or more.
28. equipment according to claim 26, the contents processing ability information of wherein said first equipment comprises the media processing capacity information of first equipment.
29. equipment according to claim 24, wherein content information processor further is configured to the information of its local content is offered the user with the content information of miscellaneous equipment.
30. equipment according to claim 24, wherein content information processor further is configured to when content that first equipment can provide changes, perhaps when first equipment is connected to described network, send a content update message to the miscellaneous equipment in the network.
31. equipment according to claim 24, wherein content information processor further is configured to when the performance information of first equipment changes, perhaps when first equipment is connected to described network, send a request for content information message to the miscellaneous equipment in the network.
32. a method that is used for sharing content information comprises:
First equipment sends to second equipment with request for content information by network, and described request for content information comprises the performance information of described first equipment;
First equipment is from the described second equipment received content information, and described content information is by the performance information of described second equipment according to first equipment, and the information of the content that can provide second equipment is filtered and obtained.
33. an equipment that is used for sharing content information, this equipment is first equipment, and this first equipment comprises:
Communication module is used for carrying out information interaction by the network and second equipment;
The equipment performance administration module is used to manage the performance information of described first equipment; With
Content information processor, be used for forming request for content information according to the performance information of first equipment, issue second equipment on the network by communication module, and receive the content information that second equipment returns by communication module, wherein, the described content information that returns is by the performance information of described second equipment according to first equipment, and the information of the content that can provide second equipment is filtered and obtained.
34. storage medium or signal vehicle are comprising the instruction that is used to carry out according to the described method of claim 1-14.
Priority Applications (8)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004101029963A CN1798048A (en) | 2004-12-29 | 2004-12-29 | Method and device of sharing content information |
| BRPI0519669-8A BRPI0519669A2 (en) | 2004-12-29 | 2005-12-22 | method and device for sharing content information |
| EP05821594A EP1831802A1 (en) | 2004-12-29 | 2005-12-22 | Method and device for content information sharing |
| AU2005321287A AU2005321287B2 (en) | 2004-12-29 | 2005-12-22 | Method and device for content information sharing |
| PCT/EP2005/057101 WO2006069967A1 (en) | 2004-12-29 | 2005-12-22 | Method and device for content information sharing |
| CA002585723A CA2585723A1 (en) | 2004-12-29 | 2005-12-22 | Method and device for content information sharing |
| MX2007008014A MX2007008014A (en) | 2004-12-29 | 2005-12-22 | Method and device for content information sharing. |
| JP2007548810A JP2008532102A (en) | 2004-12-29 | 2005-12-22 | Method and apparatus for content information sharing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2004101029963A CN1798048A (en) | 2004-12-29 | 2004-12-29 | Method and device of sharing content information |
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|---|---|
| CN1798048A true CN1798048A (en) | 2006-07-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CNA2004101029963A Pending CN1798048A (en) | 2004-12-29 | 2004-12-29 | Method and device of sharing content information |
Country Status (8)
| Country | Link |
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| EP (1) | EP1831802A1 (en) |
| JP (1) | JP2008532102A (en) |
| CN (1) | CN1798048A (en) |
| AU (1) | AU2005321287B2 (en) |
| BR (1) | BRPI0519669A2 (en) |
| CA (1) | CA2585723A1 (en) |
| MX (1) | MX2007008014A (en) |
| WO (1) | WO2006069967A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009094876A1 (en) * | 2008-01-23 | 2009-08-06 | Huawei Technologies Co., Ltd. | Method and system for content categorization |
| CN101193345B (en) * | 2006-11-24 | 2012-08-08 | 华为技术有限公司 | Terminal and its content share method and system |
| CN102802233B (en) * | 2006-07-25 | 2015-11-25 | 华为技术有限公司 | A kind of information transferring method and subscriber equipment |
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| US20070282905A1 (en) * | 2006-06-06 | 2007-12-06 | Sony Ericsson Mobile Communications Ab | Communication terminals and methods for prioritizing the playback of distributed multimedia files |
| EP1914643A1 (en) * | 2006-10-19 | 2008-04-23 | Motorola, Inc. | Method and apparatus for filtering peer-to-peer network searches for limited capability devices |
| US9313528B2 (en) | 2012-01-11 | 2016-04-12 | Sony Corporation | Filtering live streaming contents and services |
| CN104581234B (en) * | 2013-10-23 | 2019-10-11 | 中兴通讯股份有限公司 | A kind of set-top box and the method and system based on set-top box realization media data transcoding |
| CN103686434A (en) * | 2013-12-17 | 2014-03-26 | 深圳市同洲电子股份有限公司 | Digital television program sharing method, terminal and system |
| WO2015180108A1 (en) | 2014-05-29 | 2015-12-03 | 华为技术有限公司 | Media content sharing method and apparatus |
| US10140408B2 (en) * | 2015-09-04 | 2018-11-27 | Qualcomm Incorporated | Selectively encrypting content for distribution from a receiver device to a companion device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6799196B1 (en) * | 2000-01-21 | 2004-09-28 | Gateway, Inc. | On-demand data streaming parceling |
| US20020116533A1 (en) * | 2001-02-20 | 2002-08-22 | Holliman Matthew J. | System for providing a multimedia peer-to-peer computing platform |
| US20020188735A1 (en) * | 2001-06-06 | 2002-12-12 | Needham Bradford H. | Partially replicated, locally searched peer to peer file sharing system |
| US20040083304A1 (en) * | 2002-10-21 | 2004-04-29 | Izumi Usuki | Communication terminal and communication system |
| JP2004164625A (en) * | 2002-10-21 | 2004-06-10 | Matsushita Electric Ind Co Ltd | Communication terminal and communication system |
| US7769881B2 (en) * | 2003-01-24 | 2010-08-03 | Hitachi, Ltd. | Method and apparatus for peer-to peer access |
| WO2004071048A1 (en) * | 2003-02-03 | 2004-08-19 | Koninklijke Kpn N.V. | Message data transmission in mobile communication systems taking into account capabilities of sending and receiving devices |
| KR20060006950A (en) * | 2003-04-29 | 2006-01-20 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | Identical recordings on p2p network mapped onto single query result |
| JP4331203B2 (en) * | 2003-06-04 | 2009-09-16 | 株式会社ソニー・コンピュータエンタテインメント | Content distributed overlay network for peer-to-peer networks |
-
2004
- 2004-12-29 CN CNA2004101029963A patent/CN1798048A/en active Pending
-
2005
- 2005-12-22 JP JP2007548810A patent/JP2008532102A/en active Pending
- 2005-12-22 WO PCT/EP2005/057101 patent/WO2006069967A1/en active Application Filing
- 2005-12-22 CA CA002585723A patent/CA2585723A1/en not_active Abandoned
- 2005-12-22 EP EP05821594A patent/EP1831802A1/en not_active Withdrawn
- 2005-12-22 BR BRPI0519669-8A patent/BRPI0519669A2/en not_active IP Right Cessation
- 2005-12-22 AU AU2005321287A patent/AU2005321287B2/en not_active Ceased
- 2005-12-22 MX MX2007008014A patent/MX2007008014A/en not_active Application Discontinuation
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102802233B (en) * | 2006-07-25 | 2015-11-25 | 华为技术有限公司 | A kind of information transferring method and subscriber equipment |
| US9332588B2 (en) | 2006-07-25 | 2016-05-03 | Huawei Technologies Co., Ltd. | Method, apparatus and system for information transmission |
| CN101193345B (en) * | 2006-11-24 | 2012-08-08 | 华为技术有限公司 | Terminal and its content share method and system |
| WO2009094876A1 (en) * | 2008-01-23 | 2009-08-06 | Huawei Technologies Co., Ltd. | Method and system for content categorization |
| US8533314B2 (en) | 2008-01-23 | 2013-09-10 | Huawei Technologies Co., Ltd. | Method and system for content categorization |
| US8719332B2 (en) | 2008-01-23 | 2014-05-06 | Huawei Technologies Co., Ltd. | Method and system for content categorization |
| US9195737B2 (en) | 2008-01-23 | 2015-11-24 | Huawei Technologies Co., Ltd. | Method and system for content categorization |
Also Published As
| Publication number | Publication date |
|---|---|
| AU2005321287A1 (en) | 2006-07-06 |
| JP2008532102A (en) | 2008-08-14 |
| AU2005321287B2 (en) | 2011-09-08 |
| CA2585723A1 (en) | 2006-07-06 |
| MX2007008014A (en) | 2007-08-23 |
| BRPI0519669A2 (en) | 2009-08-04 |
| EP1831802A1 (en) | 2007-09-12 |
| WO2006069967A1 (en) | 2006-07-06 |
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