CN101447910A - Distributed network storage control method, device and distribution system - Google Patents
Distributed network storage control method, device and distribution system Download PDFInfo
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Abstract
The embodiment of the invention provides a distributed information distribution system, corresponding method and device; the distributed information distribution system comprises an information source node used for providing information source; an information storage node used for storing information and scheduling information according to instructions; and an information control node distributed on a network core layer, or a marginal layer or a convergence Layer for providing users information according to the information storage node corresponding to the information source request instructions from users, information source node or other nodes. The proposal of the embodiment of the invention is conductive for the management control of distributed information storage distribution.
Description
Technical field
The present invention relates to network communication field, relate in particular to a kind of distributed network storage control method, device and dissemination system.
Background technology
Development along with big capacity storage technology, the network equipment that possesses the storage distribution function accumulates educates and gives birth to, for example, Chinese patent application number is 200610033897.3, and a kind of network with memory function requires network element not only to possess functions such as traditional forwarding, exchange, also need the storage lot of data, and can the data of storing be sent to the function of subscriber equipment, as send to terminal equipments such as computer, set-top box according to control command or other strategies from other network elements.
Because in the existing carrier network, what the network equipment was mainly realized is professional route forwarding function, do not possess the function of data distribution that is stored in equipment this locality in a large number, to in carrier network, dispose this network equipment that possesses storage, distribution function, certainly will bring whole Network to bring very big impact.
Summary of the invention
The purpose of this invention is to provide a kind of distributed information dissemination system, the distributed information storage distribution controlling mechanism of being convenient to manage is provided.
The objective of the invention is to be achieved through the following technical solutions:
Embodiments of the invention provide a kind of distributed information dissemination system, comprising: the information source node is used to provide information resources; Information storage node is used for stored information, according to instruction scheduling information; The information Control node, be distributed in network core layer or marginal layer or convergence-level, be used for according to from the information resources request of user or information source node or other nodes, provide information to the user in conjunction with the corresponding information storage node of storage resources instruction of information of managing memory node own.
The embodiment of the invention provides a kind of distributed network storage control method, comprising:
The information Control node receives the information resources request, carries out the distribution of information scheduling decision according to the storage resources of described information resources request and information of managing memory node own, obtains the result of decision; The information Control node is exported to corresponding decision-making XM with the result of decision.
The embodiment of the invention also provides a kind of distributed network storage control point, comprising:
Receiving element receives the information resources request; The storage resources acquiring unit is used to obtain the storage resources of information storage node; Decision package is used for making a strategic decision according to the storage resources of described information resources request and described information storage node, obtains the result of decision; Result of decision response unit is used for the described result of decision is sent to the node of carrying out the result of decision.
The embodiment of the invention also provides a kind of method of distributed network storage update, comprising:
After information storage node gets access to information, to the information Control node transmission updating message of this information storage node correspondence; Described information Control node receives described updating message, and the information resources of the information of managing memory node of renewal own distribute.
As seen from the above technical solution provided by the invention, the information Control node carries out maintenance management by the storage resources to information storage node, makes a strategic decision the scheduling storage distribution according to the storage resources of information resources request and maintenance management.Because information directly is stored in the network equipment of Virtual network operator, the network equipment of management maintenance and dispatch network operator does not need service provider network, information resources request that can the faster response user, conserve network resources.
Description of drawings
Fig. 1 is a distributed storage network schematic diagram in the embodiment of the invention;
Fig. 2 is the network function framework abstract graph of one of execution mode of the network architecture of the present invention.
Embodiment
At first, service surface of the present invention and chain of command general features are described in conjunction with example with reference to figure 1.Fig. 1 is a distributed storage network schematic diagram in the embodiment of the invention.
In existing peer-to-peer network (Peer-to-Peer) based on the terminal use, in general have only two kinds of network nodes, peer node Peer and super node SuperNode, relation is reciprocity fully between the peer node Peer, by super node the data resource is managed; And based in the distributed storage network, the relation between the node is not reciprocity completely.In context, " node " can be that separate equipment also can be the functional entity of integrated system, in Fig. 1 distributed storage network (or distributed information dissemination system), node can be classified as following several node:
Node 1: information source node, be used to provide information resources, as the information server among Fig. 1 101, it can comprise one or more information servers, be used to provide information source, available information service includes but are not limited to: web page browsing, video, voice, various customized informations or the like.
Node 2: information coding nodes, information is encoded, be convenient to the Network Transmission and the network storage (form of file storage), the information coding nodes can be set together with the information source node or other position, for example corresponding to the information server 101 at the information source node place among Fig. 1.Being used for information is encoded, can be to weave into universal coding according to unified standard (as according to information such as information position, load, ownerships), is convenient to the Network Transmission and the network storage (form of file storage).The type of information coding nodes can be to comprise: the webserver, information Control node, Website server, router, switch or radio communication base station etc.
Node 3: information Control node (also being the information Control node) manages transmission of Information, memory scheduling, corresponding to the information Broadcast Control unit 103,102,120 among Fig. 1; This category node is distributed in network core layer or marginal layer or convergence-level, according to information resources request, provide information to the user in conjunction with the corresponding information storage node of the storage resources of information of managing memory node instruction own from user or information source node or other nodes.
Node 4: information storage node is used for stored information, according to instruction scheduling information; Have storage capacity, information is transmitted, stored and according to instruction and strategy, sends information, corresponding to 104 among Fig. 1,105, equipment such as 106, subscriber equipment also can be such equipment.
Node 5: the information consumption node, final receiver is generally final subscriber terminal equipment, as client personal computer PC, fixing user terminal, portable terminal, set-top box STB etc.
Use and management such as charging for the ease of the end user, also have following functional node.
Node 6: service node message.Can offer the user and land, the informative abstract that inquiry is relevant, whether decision consumes this information.Service node message can comprise user agent's node, and proxy user is to information Control node application information, and/or service agent node-agent information source node provides schedulable information resources to the information Control node.Wherein, user agent's node is mainly finished proxy user to information Control node application information, increases fail safe and QoS policy, provides the isolation of user and network to guarantee fail safe.The service agent node is mainly finished the proxy information source node and is provided schedulable information resources to the information Control node.Wherein, user agent's node and service agent node can be an integral body.
For the resource management facility, information storage node can be divided (as pressing divisions such as Access Network, metropolitan area network) one-tenth information distribution subsystem by the territory, each information distribution subsystem all is provided with the information Control node, manage the information resources scheduling distribution of the information storage node in this territory, for the user provides service.The combination in any of higher level's information Control node, central information Control Node, marginal information Control Node, trunk information Control Node or above-mentioned four kinds of information Control nodes can also be set, the information Control node in two territories is realized cross-domain and/or classification coordinated scheduling by above-mentioned specified message Control Node, so that information resources scheduling between each information distribution subsystem.Certainly, also the scheduling node that is similar to the agency can only be set, be used for to out of Memory Control Node schedule information.
For the resource distribution scheduling, the storage distribution polices node can also be set, be used to provide storage, distribution, scheduling strategy.For example, storage distribution priority, the congested processing policy of storage distribution, storage distribution service quality, storage distribution authentication mechanism, storage distribution encryption mechanism, stored information resource updates mechanism or the like.As for dynamic adjustment information resource in the distribution situation of information storage node, remove long-term obsolete information foundation be provided, so that effective utilization of storage resources.
For the resource distribution scheduling, the equipment control node can also be set, be used for the memory function attribute of management information memory node, offer Control Node, Control Node is carried out Decision Control in conjunction with the memory function attribute of each information storage node.In the system that the embodiment of the invention provides, the maintenance operation situation of equipment itself can adopt existing network management system, and for example existing equipment management system EMS, network management system NMS etc. do not repeat them here.Herein Special attention will be given to the operating position of device storage ability (as memory capacity, memory rate etc.), storage medium attribute (as type, specification, subregion etc.), storage medium (as storage control utilization rate, turnover rate etc.) but, (providing the storage medium of leasing to the service provider) situation or the like of being rented of the compatibility with the out of Memory memory device, storage medium extending space (as dilatation is provided), storage medium as Virtual network operator.The equipment control node can be arranged in existing network management system or the equipment management system, adopts existing management agreement visit; Also can open up special-purpose storage administration control protocol.The equipment control node can be network manager administration interface is provided.
In order to solve the normal operation of information storage node, all right setting operation Maintenance Point is used to provide the running status of the running status, particularly memory function (as memory) of information storage node to monitor and/or protect and switch.For example, the ruuning situation of monitoring storage medium is as efficient, the information dropout rate of storage; The reasonability of monitoring partition holding judges whether to carry out the subregion arrangement so that the efficient of storage and visit; Monitoring and evaluation storage medium useful life, whether storage medium damages.The Operation and Maintenance node can be the network operation, and the person provides maintenance interface.
Above-mentioned equipment control node, scheduling node, Operation and Maintenance node and at least two of information Control nodes can be integrated into same physical entity.Above-mentioned node 1,2,6 can integrate, and as a comprehensive website or server, provides VOD service, online forum, news or the like, need charge to the user (node 6), need and provide information (node 1) coding video data (node 2).
In addition, also provide information stores resource service node, information resources tabulations is provided, so that information resources index, scheduling.Provide information updating mechanism for information stores resource service node accordingly, comprise the renewal interaction flow of information storage node, information source node, out of Memory Control Node and when upgrade etc., for example, can be at not frequent timing at the night log-on message resource updates of storage distribution.
Network access equipment shown in Figure 1, route-exchanging device LAN-Switch (s) possess storage, distribution function.Information source node, information coding nodes, information Control node, information storage node are distributed in network core layer or marginal layer or convergence-level.The access medium of information consumption node access network comprises wire medium and/or wireless medium, and wherein, wire medium includes but are not limited to: power line, cable, coaxial cable, fiber medium; Wireless medium includes but are not limited to: electromagnetic wave medium (as infrared, bluetooth, radio frequency, microwave), spatial light medium (also being free light medium).The network that the information consumption node inserts is as access network such as various types of Digital Subscriber Line xDSL access network, active Optical Access Network, EPON or photoelectricity mixed insertion network based on wire medium; Based on the access networking of wireless medium such as GSM access network, CDMA access network, support 3G access network etc.The type of the information storage node of the embodiment of the invention comprises the above-mentioned access node of mentioning that passes through various Access Networks, as Optical Network Terminal, optical line terminal, Digital Subscriber Line Access Multiplexer DSLAM, also can be that switch, router, gateway, bridge, gatekeeper, radio communication base station, the webserver etc. participate in any equipment that the network storage is transmitted.
In distributed store distributing network shown in Figure 1, the distribution of information storage is finished by information Control node 3, and the information Control node need know whether information needs storage, and whether memory contents is arranged, and how to find.
At first, in the distributed store distributing network, need carry out the decision-making treatment process, the result of decision be exported to each decision-making carry out entity (as information consumption node, out of Memory Control Node, information storage node, information source node etc.) the information resources request.
The decision-making treatment process comprises: essential information is admitted decision-making, information resources scheduling decision, the decision-making of information storage node device storage distribution capability etc.Above-mentioned decision-making can unify to finish in information Control point, also can be distributed in each isolated node and finish, by the unified decision-making of information Control point.Below we are embodied as example to concentrate in information Control point.
Information is admitted decision-making: the information Control node receives the information resources request, information resources according to the information of managing memory node of letter information resource request inquiry own, if itself has information requested, determine one or more information storage node, and send instructions to provide information to the consumption node to corresponding information storage node photos and sending messages branch.Preferably, the information Control node can be selected to provide information from the nearest memory node of user to the user.
The information resources scheduling decision: the information Control node is according to the information resources request, the information resources distribution situation of the information of managing memory node of inquiry own, if information of managing memory node own does not have information requested, to out of Memory Control Node or information source node or the request of other node transmission information resources.For example, as described in Figure 1, information Broadcast Control unit 103 can be to higher level's information Broadcast Control unit 120 request resource.
Information storage node device storage distribution capability decision-making: storage distribution ability and/or user's receiving ability of information Control node acquired information memory node, storage distribution ability and/or user's receiving ability according to information storage node are carried out scheduling decision, instruct corresponding memory node to distribute stored information.
Further, distributed network carries out storage update: after information storage node gets access to information, send updating message to the information Control node; The information Control node receives described updating message, and the information resources of lastest imformation memory node distribute.Further, after the information Control node receives updating message from information storage node, send updating message to the out of Memory Control Node.
Further, distributed network carries out memory scheduling and comprises: the information Control node receives the information resources request, and the information resources of the information of managing memory node of inquiry own distribute; The information Control node determines that information of managing memory node own does not have information requested, to other Control Node or information source node or the request of other node transmission information resources.Wherein, described do not have information requested to comprise not have enough information.
Further, distributed network carries out memory scheduling and comprises: the storage distribution ability of the information of managing memory node of information Control node acquisition own and/or user's receiving ability, carry out scheduling decision according to storage distribution ability and/or user's receiving ability, obtain the result of decision; The information Control node instructs corresponding memory node to distribute stored information according to the result of decision.
Further, the embodiment of the invention provides a kind of information Control node, comprising:
Receiving element receives the information resources request;
The storage resources acquiring unit is used to obtain the storage resources of information storage node;
Decision package, the user makes a strategic decision according to the storage resources of described information resources request and described information storage node, obtains the result of decision.
The information Control node further comprises: memory cell is used to store at least one item of the distribution of information ability of the information resources of described information storage node, described information storage node, described user's distribution of information ability.
Updating block is used to receive the information that information storage node or other Control Node or information source node or customer consumption node send over, and upgrades the information in the described memory cell.
The storage resources acquiring unit comprises: information resources acquisition module, storage distribution ability acquisition module, storage distribution ability acquisition module etc.Wherein,
The storage resources acquiring unit comprises: the information resources acquisition module, be used to obtain information storage node canned data resource, and described information storage node stored information resource is sent to decision package.
The storage resources acquiring unit comprises: storage distribution ability acquisition module, be used to obtain the storage distribution ability of information storage node, and send to decision package.。
The storage resources acquiring unit comprises: user profile distribution capability acquisition module, be used to obtain the user profile distribution capability, and described user profile distribution capability is sent to decision package.For example, targeted customer's receiving velocity, bandwidth, priority, safety requirements, quality of service requirement etc.
In conjunction with shown in Figure 1, carrying out video traffic with terminal equipment is example, and the basic step that embodiment of the invention general information is mutual is described:
19, the information service of terminal equipment 111 in information service system 101 provide with management node 6 on program request a film;
20, the information service in the information service system 101 provides and management node 6, user's IP Information On Demand (title of film and information) is passed to information coding nodes 2 in the information service system 101, and information coding nodes 2 inquires the coded message of film in network.
21, information service provides with management node 6 and sends the Broadcast Control request to information Broadcast Control unit 120, has carried the information coding of user's IP Information On Demand in the Broadcast Control request.
22, information Broadcast Control unit 120 receives the Broadcast Control request, and this command information is transferred to corresponding information Broadcast Control unit 103.
Information Broadcast Control unit 120 can directly be transferred to the most approaching information Broadcast Control unit according to user's program request position with this command information.Optionally, be information Broadcast Control configuration of cells controlling grade, as master/slave or on/subordinate, at the same level can also transmit (as shown in Figure 2) by specified message Broadcast Control unit or relay agent.Between for example trans-regional Local Area Network transprovincially, network can be by area dividing between the cross operator network, the information Broadcast Control unit of adjacent domains can be by two adjacent domains marginal information Broadcast Control unit access or between the information Broadcast Control unit of two adjacent domains relay agent being set conducts interviews so that scheduling of resource, maintenance and management.
The example that in the command information that information Broadcast Control unit 103 sends, carries information for information Broadcast Control unit 120 as shown in table 1:
Table 1
| Command type | |
| Destination address | IP address or MAC Address |
| The information coding | The IP+ information of source information number or universal coding |
| Targeted customer's ability to accept | 1M |
| The information time started | 100Min |
| Whether upgrade the front order | Be/not |
If the user is when carrying out Video service, possible F.F. and retreating, even stop picture, user's above-mentioned command information, can be directly and information Broadcast Control unit 103 carry out alternately, also can provide with management node 6 and carry out when user's subsequent commands is come then, can selecting not carry out having carried out alternately for former order with information service.Open picture-in-picture function as the user, play in first source, and the data of a back picture just should not substitute the data of front.Also there is this situation in the user in the reading webpage.
30, information Broadcast Control unit 103 in Fig. 1, administrative institute is all canned datas in net territory (as Access Network), include but are not limited to: the time of information type, position that each type information is stored in Access Network, mandate (comprise and authorizing the rental period), operating position, distribution situation,, whether store each information exists, whether is using the position.
As shown in table 2 is the example of the information of information Broadcast Control unit maintenance management:
Table 2
The ability and the operating position of the memory space of administrative network domain equipment are to some extent also preserved in information Broadcast Control unit 103.
As shown in table 3 is the ability of memory space of the administrative network domain equipment preserved of information Broadcast Control unit 103 and the example of operating position:
Table 3
| Sequence number | Memory space 1 | Memory space 2 | Memory space 3 |
| The address | IP address or MAC Address | ||
| Memory capacity | 100G | ||
| Use | 20G | ||
| Information input bandwidth | 1000M (descending), 5000M (up) | ||
| The information output bandwidth | 1000M (descending) 5000M (up) |
| Import | 10M (up), 10M (descending) | ||
| Export | 10M (up), 10M (descending) |
If 31, the not storage in this territory of these data is found in information Broadcast Control unit 103, to higher level's information Broadcast Control unit 102 or to other information Broadcast Control request data in units, or solicited message Broadcast Control unit 120 request msgs.
If 32 information Broadcast Control unit 103 find in this territory data are arranged, locus and existing force according to this storage, issue instruction message, command node 104,105,106 (a complete film may be stored on the different equipment) sends data to the targeted customer.
40, node 104,105,106 is received the instruction message of information Broadcast Control unit 103, sends data to destination address.
50, for transmitting data, node 104,105,106 can be stored data according to the instruction of information Broadcast Control unit 103.
Carry the example of information in the command information that is handed down to node 104,105,106 for information Broadcast Control unit 103 in the step 32 as shown in table 4:
Table 4
| Command type | Stored information |
| The information coding | The IP+ information of source information number or universal coding |
| The information life span | Longer-term storage according to instruction deletion (or) time |
For the data of node 104,105,106 storages, if because of device damage, reasons such as power down are lost, and node 104,105,106 and information Broadcast Control unit 103 carry out regular or irregular synchronous.
Node 104,105,106 is preserved the data list that oneself has, and self-ability information is reported Broadcast Control unit 103.
In the above-mentioned embodiment, under the control of information Broadcast Control unit 103, the network equipment directly sends the data to the end user.
Can also be that following manner is carried out.
Under the control of information Broadcast Control unit 103, each node 104,105,106, distributed store is in the data of each network element, send to subscriber equipment 111 and be connected on the immediate node 104, by bandwidth and the behaviour in service of node 104 according to subscriber equipment, the dynamic adjusting given the user's data bandwidth, is handed down to subscriber equipment 111.
With reference to figure 2, be the network function framework abstract graph of one of execution mode of the network architecture of the present invention, according to the present invention, the network architecture of present embodiment can abstractly become four layer architectures as Fig. 2:
Information is used layer 200:
Comprised the final application terminal of using various information, comprised user's PC, personal digital assistant PDA equipment, mobile phone, various smart machines, the terminal equipment of various access networks such as set-top box, intelligent appliance.
It should be noted that if terminal equipment also provides memory space, use for network scheduling that this terminal is used between layer and the information storage layer between information, promptly this terminal equipment can belong to information and use layer 200, also can belong to information storage layer 210.
Information storage layer 210:
In conjunction with content mentioned above, the various memory functions that possess have been comprised in this information storage layer 210, network equipment that can storing various information, as digital user line access multiplexing equipment DSLAM equipment, optical access device (optical line terminal OLT equipment, optical network terminal ONU/ONT), radio reception device (wimax base station, GSM, various CDMA, WLAN etc.), router, switch etc.These equipment are close or convenient and information use layer is mutual.
The equipment of information storage layer 210 is stored information, and receives relevant control command, and the content information that sends to of storage is used layer 200, or and the equipment of information storage layer 210 between transmit storage, collaborative work.
Information storage layer 210 uses in the device procedures of layer in information that canned data is sent to, and carries out subpackage, speed limit, the first-class operation of interpolation message to sending informational needs.
For example, the network element of information storage layer 210 (as 218,219) receives relevant instruction, according to instruction, perhaps uses the reception attribute information of the reception network element (as 201,202) of layer 200 that the information that needs send is carried out subpackage according to information.Wherein, the reception attribute information includes but are not limited to and can receive message length, speed, protocol format, service quality QoS requirements.
The network element of information storage layer 210 (218,219) receives relevant instruction, according to instruction, perhaps according to setting, the data of subpackage is added heading, and heading can be a various ways:
The unified address of information storage layer 210 is as the source address of message.
Adopt this method, information storage layer 210, as seen information used layer 200, information uses layer 210 to know that information source is in information storage layer 200, but do not know the position of originating, 210 pairs of information of information storage layer use layer 200 actual invisible, but need change agreement for the bottom software of existing terminal.
According to the address information that receives in the instruction, as the source address of heading.
This method, information are used the terminal of layer 200, and perception is less than the existence of information storage layer 210, and the source address of receiving message shows to come from and be applied to information source layer 230 that this method is to information storage layer 210 safety.
Directly according to the address of equipment source address itself as heading.
This method, the address of information storage layer 210 equipment, as seen information use layer 200, be unfavorable for protecting the safety of information storage layer 210 equipment, but the information interchange intercommunication between information storage layer 200 equipment adopts this method can carry out interactive information easily.
The network element of information storage layer 210 (219,218) receives relevant instruction, according to instruction, perhaps use the reception message bandwidth ability of the reception network element (as 201,202) of layer 200 according to information, the information of subpackage sends to the message pick-up network element according to certain speed.
Stored information key-course 220: having comprised can managing memory apparatus, the network equipment of stored information key-course, and as dns server, using layer for information as seen can be, also can be invisible.
As equipment 205, can directly visit the equipment of stored information key-course 220, call the information that is stored in the information storage layer 210, but this execution mode, to having relatively high expectations of equipment 205, need be in equipment 205, authentication mechanism is set, prevents equipment 205 attacking networks.
In the stored information key-course 220, each equipment can be the network equipment independently, as server, also can be the functional module that is integrated in the network equipment.
Stored information key-course 220, can be divided into a plurality of subdomains, network element (221 in each subdomain, 222), control the equipment of a part of information storage layer, can be mutually between the subdomain together with, the information subdomain can be controlled and the advanced field's controller, as equipment 228, just in the stored information key-course, be divided into a plurality of controls sublayer.
Stored information control appliance 222, the storage of management information in information storage layer 213, distribute, transmit, call, operations such as deletion, stored information control appliance 222 has been stored in the territory 213, the information that has, but stored information control appliance 228 can not known the particular location of stored information in the information 213 and the umber of information reproduction.Certain 228 also can know in 213 all, or the distributing position of partial information, directly dispatch processing.
When an information, be distributed in 213 or 214 as a big film and store, when information uses the user of layer to use, carry out coordinated scheduling by 228, if in territory 211 or territory 212 call data in territory 213 or the territory 214, can carry out through higher level's information Broadcast Control 232, or by the mutual exchange information table memory between the stored information key-course, adopt neighbor discovery mechanisms, by 229 information of knowing in the adjacent domains, call the information in the adjacent domains, concrete information can be dispatched by the interface between the information storage layer.
Use and information source layer 230, comprised the information source point, as information server 231 and information encoder server 235, information Broadcast Control 232.
Information server 231 is the supplier of information source information, or the publisher of information source, as various websites, and the website of each company.Perhaps Ge Ren website.
Information encoder server 235 is encoded to the information on the information server, is convenient to distribute on network transmission, storage.
Information Broadcast Control server 232, the information of being responsible for is propagated on the networking.
Whole networking for the terminal equipment of information use layer 200, can be regarded an intelligent network as.Wherein information storage layer 210, are distributed information storage node, and these nodes are positioned at the position that the Rendezvous Point of information flow or fringe node etc. are convenient to the information issue and are flowed.Stored information key-course 220, be intelligent node, can perception or the flowing of controlled perception information, accept end user's demand, and, information is distributed storage at information storage layer according to the requirement of information use node layer or in order to better meet the requirement of using node layer, aging data are deleted, change.
The above; only for the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, and anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; the variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.
Claims (24)
1, a kind of distributed information dissemination system is characterized in that, comprising:
The information source node is used to provide information resources;
Information storage node is used for stored information, according to instruction scheduling information;
The information Control node, be distributed in network core layer or marginal layer or convergence-level, be used for according to from the information resources request of user or information source node or other nodes, provide information to the user in conjunction with the corresponding information storage node of storage resources instruction of information of managing memory node own.
2, system according to claim 1 is characterized in that, comprising:
Coding nodes is encoded to the information that the information source node provides, and obtains coded message.
3, system according to claim 1 is characterized in that, comprising:
The equipment control node is used for the memory function attribute of management information memory node, offers Control Node.
4, system according to claim 1 is characterized in that, comprising:
At least one service node message, being used for proxy user provides schedulable information resources to information Control node application information and/or proxy information source node to the information Control node.
5, system according to claim 1 is characterized in that, comprising:
Scheduling node is used for to out of Memory Control Node schedule information, comprises at least a of central information Control Node, marginal information Control Node, trunk information Control Node, higher level's information Control node.
6, system according to claim 1 is characterized in that, comprising:
The Operation and Maintenance node is used to provide the monitoring running state and/or the protection of the memory function of information storage node to switch.
7, system according to claim 1 is characterized in that, comprising: information storage node is distributed in network core layer or marginal layer or convergence-level.
8, according to claim 1,2 or 4 described systems, it is characterized in that, comprising:
At least two of information source nodes, information coding nodes, service node message are at same physical entity.
9, according to claim 1,3,4,5 or 6 described systems, it is characterized in that, comprising:
Information Control node, equipment control node, service node message, scheduling node, at least two of Operation and Maintenance nodes are arranged on same physical entity.
10, system according to claim 1 is characterized in that, comprising:
Information Control node and information storage node are arranged on same physical entity.
11. the method for a distributed network storage control is characterized in that, comprising:
The information Control node receives the information resources request, carries out the distribution of information scheduling decision according to the storage resources of described information resources request and information of managing memory node own, obtains the result of decision;
The information Control node is exported to corresponding decision-making XM with the result of decision.
12. method according to claim 11 is characterized in that, comprising:
The information Control node distributes according to the information resources of the information of managing memory node of information resources request inquiry own, if itself has information requested, determines one or more information storage node, and sends instructions to corresponding information storage node photos and sending messages branch.
13. method according to claim 11 is characterized in that, comprising:
The information Control node distributes according to the information resources of the information of managing memory node of information resources request inquiry own, if information of managing memory node own has information requested, to other Control Node or information source node or the request of other node transmission information resources.
14, method according to claim 11 is characterized in that, comprising:
The information Control node is according to storage distribution ability and/or user's receiving ability of information resources request acquired information memory node, storage capacity and/or user's receiving ability according to information storage node are carried out scheduling decision, instruct corresponding memory node to distribute stored information.
15, method according to claim 14 is characterized in that, further comprises:
After information storage node gets access to information, send updating message to the information Control node;
The information Control node receives described updating message, and the information resources of lastest imformation memory node distribute.
16. a distributed network storage control point is characterized in that, comprising:
Receiving element receives the information resources request;
The storage resources acquiring unit is used to obtain the storage resources of information storage node;
Decision package is used for making a strategic decision according to the storage resources of described information resources request and described information storage node, obtains the result of decision;
Result of decision response unit is used for the described result of decision is sent to the node of carrying out the result of decision.
17. distributed network storage according to claim 16 control point is characterized in that the storage resources acquiring unit comprises:
The information resources acquisition module is used to obtain information storage node canned data resource, and described information storage node stored information resource is sent to decision package.
18. distributed network storage according to claim 16 control point is characterized in that the storage resources acquiring unit comprises:
Storage distribution ability acquisition module is used to obtain the storage distribution ability of information storage node, sends to decision package.
19. distributed network storage according to claim 16 control point is characterized in that the storage resources acquiring unit comprises:
User profile distribution capability acquisition module is used to obtain the user profile distribution capability, and described user profile distribution capability is sent to decision package.
20. according at least one described distributed network storage of claim 17 to 19 control point, it is characterized in that, comprising:
Described decision package is used for obtaining the result of decision according to making a strategic decision from the information and the information resources request of information resources acquisition module, storage distribution ability acquisition module, at least one module of user profile distribution capability acquisition module.
21, distributed network according to claim 16 is stored the control point, it is characterized in that, also comprises:
Memory cell is used to store at least one item of the distribution of information ability of the information resources of described information storage node, described information storage node, described user's distribution of information ability.
22, distributed network according to claim 21 is stored the control point, it is characterized in that,
Updating block is used to receive the information that the node of the described execution result of decision or other Control Node or information source node or user send over, and upgrades the information in the described memory cell.
23. the method for a distributed network storage update is characterized in that, comprising:
After information storage node gets access to information, to the information Control node transmission updating message of this information storage node correspondence;
Described information Control node receives described updating message, and the information resources of the information of managing memory node of renewal own distribute.
24. method according to claim 23 is characterized in that, further comprises:
After the information Control node receives updating message from information storage node, send updating message to the out of Memory Control Node.
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