CN101309187B - Data transmission method and system - Google Patents
Data transmission method and system Download PDFInfo
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- CN101309187B CN101309187B CN2007101062467A CN200710106246A CN101309187B CN 101309187 B CN101309187 B CN 101309187B CN 2007101062467 A CN2007101062467 A CN 2007101062467A CN 200710106246 A CN200710106246 A CN 200710106246A CN 101309187 B CN101309187 B CN 101309187B
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Abstract
The invention discloses a data transmission system which includes one or more than one user end device in the same family network and a network storage device; the system is connected with the network side device outside the family network through the communication network; wherein, the user end device is used for sending data to the network storage device or receiving data from the network storage device; the network storage device is used for storing the data from the user end device; when the user end device is connected to or disconnected with the family network, the network storage device sends the data to the network side device, or when the user end device is connected or disconnected with the family network, the network storage device stores the data from the network side device and sends the data to the user end device. The invention also discloses a data transmission method; the data transmission system and the data transmission method can be adopted to reduce the waiting time during the data transmission process for the user and improve the data transmission experience.
Description
Technical field
The present invention relates to technical field of data transmission, be specifically related to a kind of data transmission method and system that is applicable to home network and external network communication.
Background technology
Along with the fast development of information dataization and the Internet (Internet), current society has entered the network storage epoch, and the user can store various data and information with Internet as a storage medium that capacity is enough big.For example, the ustomer premises access equipment in the home network can and Internet between carry out transfer of data.
Development along with Network storage technology, the user of home network need upload to the Internet server from home network with data on the one hand, the remote access equipment of home network need send data the main frame of appointment in the home network to by the Internet network on the other hand, and promptly main frame is from the Internet data download.
Wherein, when the user of home network upload the data to the Internet server, the method that common employing is directly uploaded, promptly the user side main frame directly is connected with Internet.So, the user side main frame need remain on line states always, finishes up to transfer of data.The speed of carrying out transfer of data usually between home network and the Internet is carried out the speed of transfer of data than home network inside, the former is considerably slower than the latter.The time that the user need wait for is longer, especially under the big situation of data quantity transmitted, needs to wait for for a long time.
Remote access equipment when family's network, as web camera, when network cameras etc. need send self data the main frame of appointment in the home network to by the Internet network, usually also adopt the method for directly uploading, be that remote access equipment is connected with Internet with the user side main frame simultaneously, remote access equipment sends to data on the Internet, and the user side main frame is again from the Internet data download.So, the main frame of remote access equipment and appointment needs simultaneously online, finish up to transfer of data, on the one hand, because upstream bandwidth is less, the time that the user waits for is longer, on the other hand, remote access equipment must be simultaneously online with the main frame of appointment, caused inconvenience thereby carry out transfer of data to the user.
In addition, if the user side main frame in the home network adopts the mode of asymmetric speed such as ADSL to insert home network,, thereby further prolonged the user in the stand-by period that uploads data to the Internet server because upstream rate is low.Similarly, remote access equipment also is extended from the time of Internet data download for time of Internet server and user side main frame data upload.
In the invention process, the inventor has found following technical problem: in the existing data transfer mode, the user is when carrying out data interaction with Internet, the user side main frame needs online always and waits for long time, could end data transmit, had a strong impact on the user's data transmission and experienced.
Summary of the invention
In view of this, the embodiment of the invention proposes a kind of data transmission system on the one hand, can reduce the stand-by period of user in data transmission procedure, improves transfer of data and experiences.
The embodiment of the invention proposes a kind of data upload and method for down loading on the other hand, can reduce the stand-by period of user in data transmission procedure, improves transfer of data and experiences.
In one embodiment of the invention, a kind of data transmission system can be provided, this system comprises one or more ustomer premises access equipments, the network storage equipment that is positioned at the same family network, and described system links to each other by the network equipment of communication network with the home network outside; Wherein,
Described ustomer premises access equipment is used to send the data to the described network storage equipment or receives data from the described network storage equipment;
The described network storage equipment, be used to store data from described ustomer premises access equipment, obtain network equipment information in advance, when described ustomer premises access equipment is in the state that is connected into or leaves described home network, according to the described network equipment information of obtaining described data are sent to network equipment, described data are sent to network equipment; Perhaps when described ustomer premises access equipment is in the state that is connected into or leaves described home network, the data that storage receives from described network equipment, obtain ustomer premises access equipment information in advance, and described data are sent to described ustomer premises access equipment according to the ustomer premises access equipment information of obtaining.
In another embodiment of the present invention, can provide a kind of data transmission method, be used for that ustomer premises access equipment in the home network is given the network equipment of home network outside with data upload or from described network equipment data download, described method comprises:
Described ustomer premises access equipment is connected with the network storage equipment that is positioned at the same family network by home network, communication need be uploaded the data of transmission, or the described network storage equipment obtains ustomer premises access equipment information in advance, and downloads the data that receive according to the ustomer premises access equipment information of obtaining by the needs ustomer premises access equipment of communicating by letter home network and being connected of ustomer premises access equipment;
When described ustomer premises access equipment is in the state that is connected into or leaves described home network, the described network storage equipment obtains network equipment information in advance, and according to the network equipment information of obtaining, be connected by the network equipment of communication network with the home network outside, the described needs of communicating by letter are uploaded the data of transmission, or described network equipment is connected the data that communication needs described network storage equipment download to receive with the described network storage equipment by communication network.
From such scheme as can be seen, compared to existing technologies, technical scheme in the embodiment of the invention has following advantage at least: because in the embodiment of the invention, the ustomer premises access equipment network storage equipment direct and in the same family network is connected, in the data upload process, ustomer premises access equipment is given the network storage equipment with data upload, by the network storage equipment data is sent network equipment again; In the data downloading process, network equipment sends data to the network storage equipment, sends the data to ustomer premises access equipment by the network storage equipment again.
Because ustomer premises access equipment is arranged in identical home network with the network storage equipment, thereby guaranteed that ustomer premises access equipment can carry out data upload and download at a high speed, has reduced the stand-by period of user in data transmission procedure.Because the network storage equipment can be preserved data, when carrying out transfer of data with network equipment, ustomer premises access equipment need not to keep inserting the state of home network, even can be in closed condition, the network storage equipment can be when ustomer premises access equipment be connected into home network, send the data to ustomer premises access equipment again, thereby improved the flexibility of transfer of data, improved the user's data transmission and experienced.
In addition, because the network storage equipment can be preserved data, provide the data backup function, the data in network equipment or ustomer premises access equipment are damaged or lose, and can obtain data once more by the network storage equipment.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of data transmission system embodiment one in the embodiment of the invention;
Fig. 2 is the structural representation of data transmission system embodiment two in the embodiment of the invention;
Fig. 3 is the flow chart of data uploading method embodiment one in the embodiment of the invention;
Fig. 4 is the flow chart of data uploading method embodiment two in the embodiment of the invention;
Fig. 5 is the flow chart of data uploading method embodiment three in the embodiment of the invention;
Fig. 6 is the flow chart of data download method embodiment one in the embodiment of the invention;
Fig. 7 is the flow chart of data download method embodiment two in the embodiment of the invention;
Fig. 8 is the flow chart of data download method embodiment three in the embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Data transmission system in the embodiment of the invention method of unifying can be applied in the home network based on the agreement of various transfer of data, for example HTTP(Hypertext Transport Protocol), text transfer protocol (FTP) etc.
Larger when family's network when comprising a plurality of gateways and/or the network storage equipment, can be used the embodiment of the invention with one of them network storage equipment and its corresponding ustomer premises access equipment and gateway as a small-scale home network.Self-existent ustomer premises access equipment is as the home network of least unit, also within the protection range of the embodiment of the invention.
Fig. 1 shows the structure of data transmission system embodiment one in the embodiment of the invention.In the present embodiment, communication network is the Internet network, and network equipment is the Internet server in the Internet network.Can comprise one or more ustomer premises access equipment in home network, in the present embodiment, be that example describes with one of them ustomer premises access equipment.In network data transmission system shown in Figure 1, ustomer premises access equipment upload the data on the Internet server.
As shown in Figure 1, the network data transmission system in the present embodiment comprises ustomer premises access equipment, the network storage equipment and gateway, and system links to each other with the Internet server by Internet.Wherein, ustomer premises access equipment is used to send the data to the network storage equipment.
The network storage equipment is used to store the data from ustomer premises access equipment, when ustomer premises access equipment is connected into or leaves home network, these data is sent to the Internet server by gateway.
The Internet server is used to receive data.
In the present embodiment, the network storage equipment can be network attached storage (NAS), perhaps by gateway with storage capacity simultaneously as the network storage equipment and gateway.When present embodiment was applied to home network, ustomer premises access equipment can be the main frame in the home network, upload the data on the Internet by the network storage equipment.
Fig. 2 shows the structure of network data transmission system embodiment two in the embodiment of the invention.In the present embodiment, communication network is the Internet network, and network equipment is a remote access equipment, sends the data to ustomer premises access equipment by Internet.Ustomer premises access equipment is downloaded the data that remote access equipment sends from Internet.Can comprise one or more ustomer premises access equipment in home network, in the present embodiment, be that example describes with one of them ustomer premises access equipment.
As shown in Figure 2, the data transmission system in the present embodiment comprises ustomer premises access equipment, the network storage equipment and gateway, and system links to each other with remote access equipment by Internet, and wherein, ustomer premises access equipment is used for receiving data from the network storage equipment.
The network storage equipment is used for when ustomer premises access equipment is connected into or leaves home network, stores the data from remote access equipment that receive by gateway, and these data are sent to ustomer premises access equipment.
Remote access equipment is used to send the data to the network storage equipment.
In the present embodiment, the network storage equipment can be network attached storage NAS, perhaps by gateway with storage capacity simultaneously as the network storage equipment and gateway.When present embodiment was applied to home network, ustomer premises access equipment can be the main frame in the home network, and remote access equipment can be web camera or network camera, and main frame is by the data of the network storage equipment from Internet download remote access equipment.
As seen, ustomer premises access equipment directly is connected with the network storage equipment in the same family network in embodiments of the present invention, because ustomer premises access equipment is arranged in identical home network with the network storage equipment, thereby guaranteed that ustomer premises access equipment can carry out data upload and download at a high speed, has reduced the stand-by period of user in data transmission procedure.Because the network storage equipment can be preserved data, when carrying out transfer of data with network equipment, ustomer premises access equipment need not to keep inserting the state of home network, even can be in closed condition, the network storage equipment can be when ustomer premises access equipment be connected into home network, send the data to ustomer premises access equipment again, thereby improved the flexibility of transfer of data, improved the user's data transmission and experienced.
In addition, because the network storage equipment can be preserved data, provide the data backup function, the data in network equipment or ustomer premises access equipment are damaged or lose, and can obtain data once more by the network storage equipment.
Based on above-mentioned data transmission system, be example below, data uploading method in the embodiment of the invention and data download method are described in detail with the home network.
Fig. 3 shows the flow process of data uploading method embodiment one in the embodiment of the invention.In the present embodiment, ustomer premises access equipment is the main frame in the home network, network equipment is the Internet server, the ustomer premises access equipment and the network storage equipment, Data Transport Protocol between the network storage equipment and the Internet server is a http protocol, and the transfer of data between the network storage equipment and the Internet server adopts the immediate data transmission means.
As shown in Figure 3, the network data method for uploading comprises in the present embodiment:
Step 30: the configuration network memory device, and the information of Internet server is set.
Before network data is uploaded, the configuration network memory device.For example be used to store the capacity of the data storage area of data on the define grid memory device, data transmission policies etc.
Because the network storage equipment need send the data to the Internet server, so the network storage equipment need obtain the information of Internet server, thereby make the network storage equipment data can be sent to accurately the Internet server of appointment in the network.The information of Internet server is set in this step, comprises address, authentication information, store path of Internet server etc.
This step only need be carried out when the configuration of revising the network storage equipment or main frame change the information of corresponding Internet server, if the Internet server of the configuration of the network storage equipment and main frame correspondence remains unchanged, this step only need be carried out once.Main frame once more during data download repeated execution of steps 31～step 36 get final product.
Step 31: the main frame and the network storage equipment in the home network connect.
According to http protocol, send connection request as the HTTP client to the network storage equipment by the main frame in the home network as the http server end, set up connection between the two.
Step 32: the main frame in the home network is uploaded data to the network storage equipment.
Main frame in the home network upload the data to the data storage area on the network storage equipment by http protocol.Because this step is carried out in family's network internal, thereby guaranteed the high-speed transfer of data.Accordingly, the user need not to wait for the long period when using main frame to upload data, just can finish uploading of data.
Step 33: being connected between the Host Shutdown in the home network and the network storage equipment.
After the main frame in family's network transmission data are finished, disconnect with the network storage equipment between HTTP be connected, end data is uploaded.
Owing to send the data to the network storage equipment, the main frame in the home network can leave home network, even can be in closed condition, gives the Internet server by the network storage equipment with data upload.
Step 34: the network storage equipment and Internet server connect.
The network storage equipment is according to the information of the Internet server of setting in the step 30, and foundation is connected with the HTTP of Internet server.Because the network storage equipment is connected in the Internet network, so the network storage equipment can connect with the Internet server in time always.
Step 35: the network storage equipment is to Internet Server Transport data.
After connecting with the Internet server, the network storage equipment is given the transfer of data in the data storage area store path of appointment on the Internet server.
Step 36: the network storage equipment is closed and being connected of Internet server.
After network storage equipment transmission data are finished, disconnect with the Internet server between HTTP be connected.
Pass through above-mentioned steps, main frame in the home network directly uploads data to the network storage equipment, because the main frame in the home network is positioned at identical home network with the network storage equipment, so for this host subscriber, the process of uploading data is very fast, does not need long wait.Because the network storage equipment can be preserved data, the main frame in the home network need not to keep inserting the state of home network, even can be in closed condition, thereby has improved the flexibility of transfer of data, has improved the user's data transmission and has experienced.
Fig. 4 shows the flow process of data uploading method embodiment two in the embodiment of the invention.In the present embodiment, ustomer premises access equipment is the main frame in the home network, network equipment is the Internet server, the ustomer premises access equipment and the network storage equipment, Data Transport Protocol between the network storage equipment and the Internet server is a http protocol, and the transfer of data between the network storage equipment and the Internet server adopts the immediate data transmission means.
With embodiment illustrated in fig. 3 different be that in the present embodiment, the information of Internet server sends to the network storage equipment by the main frame in the home network.
As shown in Figure 4, the network data method for uploading comprises in the embodiment of the invention:
Step 40: configuration network memory device.
Before network data is uploaded, the configuration network memory device.For example be used to store the capacity of the data storage area of data on the define grid memory device, data transmission policies etc.
This step only need be carried out when revising the configuration of the network storage equipment, if the configuration of the network storage equipment does not need to revise, this step only need be carried out once.Repeated execution of steps 41～step 46 got final product when main frame was uploaded data once more.
Step 41: the main frame and the network storage equipment in the home network connect.
According to http protocol, send connection request as the HTTP client to the network storage equipment by the main frame in the home network as the http server end, set up connection between the two.
Step 42: the main frame in the home network is uploaded data to the network storage equipment, and uploads the information of Internet server simultaneously.
Main frame in the home network upload the data to the data storage area on the network storage equipment by http protocol.Simultaneously, main frame in the home network is with the information of Internet server, address, authentication information, store path that comprises the Internet server etc. sends to the network storage equipment, thereby makes the network storage equipment data can be sent to accurately the Internet server of main frame appointment.
Because this step is carried out in family's network internal, thereby guarantee the high-speed transfer of data, thereby made the user when using main frame to upload data, need not to wait for the long period, just can finish uploading of data.
Step 43: being connected between the Host Shutdown in the home network and the network storage equipment.
After the main frame in family's network transmission data are finished, disconnect with the network storage equipment between HTTP be connected, end data is uploaded.
Owing to send the data to the network storage equipment, the main frame in the home network can leave home network, even can be in closed condition, gives the Internet server by the network storage equipment with data upload.
Step 44～step 46: identical with step 34～step 36.
Pass through above-mentioned steps, main frame in the home network directly uploads data to the network storage equipment, because the main frame in the home network is positioned at identical home network with the network storage equipment, so for this host subscriber, the process of uploading data is very fast, does not need long wait.Because the network storage equipment can be preserved data, the main frame in the home network need not to keep inserting the state of home network, even can be in closed condition, thereby has improved the flexibility of transfer of data, has improved the user's data transmission and has experienced.
Fig. 5 shows the flow process of data uploading method embodiment three in the embodiment of the invention.In the present embodiment, ustomer premises access equipment is the main frame in the home network, network equipment is the Internet server, the ustomer premises access equipment and the network storage equipment, Data Transport Protocol between the network storage equipment and the Internet server is a http protocol, and the transfer of data between the network storage equipment and the Internet server adopts the data sync transmission means.
Step 50: the configuration network memory device, the information of the Internet server of data sync is carried out in setting.
Before network data is uploaded, the configuration network memory device.The capacity in data sync district on the define grid memory device for example, data synchronization strategy etc.Set the information of the Internet server that carry out data sync corresponding simultaneously with the data sync district, for example, the address of Internet server, authentication information and need data in synchronization synchronous path etc.
In the present embodiment, suppose to be provided with the reference device that the network storage equipment is a data sync.
Step 51: the network storage equipment and Internet server connect.
According to http protocol, send connection request as the HTTP client to Internet server by the network storage equipment as the http server end, set up connection between the two.
Step 52: the network storage equipment and Internet server carry out data sync.
Because having set in advance the network storage equipment is the reference device of data sync, the Internet server is that benchmark carries out data sync with the data in the network storage equipment, upgrades the data of self storing.
Step 53: the network storage equipment is closed and being connected of Internet server.
After data sync is finished, the network storage equipment disconnect with the Internet server between HTTP be connected.
When using the embodiment of the invention, the network storage equipment can carry out regularly synchronously with the Internet server, to guarantee storing up-to-date data in the Internet server.
Step 54: the main frame and the network storage equipment in the home network connect.
According to http protocol, send connection request as the HTTP client to the network storage equipment by the main frame in the home network as the http server end, set up connection between the two.
Step 55: the main frame in the home network is uploaded data to the network storage equipment.
Main frame in the home network upload the data to the data sync district on the network storage equipment by http protocol.Because this step is carried out in family's network internal, thereby guaranteed the high-speed transfer of data.Thereby make the user when using main frame to upload data, need not to wait for the long period, just can finish uploading of data.
Step 56: being connected between the Host Shutdown in the home network and the network storage equipment.
After the main frame in family's network transmission data are finished, disconnect with the network storage equipment between HTTP be connected, end data is uploaded.
Owing to send the data to the network storage equipment, the main frame in the home network can leave home network, even can be in closed condition, gives the Internet server by the network storage equipment with data upload.
Step 57: the network storage equipment and Internet server connect.
Because change has taken place the data in data sync district on the network storage equipment, the network storage equipment is initiatively initiated connection request to the Internet server, and foundation is connected with the Internet server.
Step 58: the network storage equipment and Internet server sync data.
The network storage equipment is with the data designated synchronous path to the Internet server of the transfer of data in the data sync district.
Step 59: the network storage equipment is closed and being connected of Internet server.
After data sync is finished, the network storage equipment disconnect with the Internet server between HTTP be connected the upload procedure of end data.
As seen, in the data upload process of the foregoing description, the main frame in the home network is given the network storage equipment with data upload, sends the data to the Internet server by the network storage equipment again.Because the main frame and the network storage equipment all are arranged in home network, thereby guaranteed that main frame uploads the high-speed transfer of data, reduced the stand-by period of user when uploading data, because the network storage equipment can be preserved data, main frame in the home network need not to keep inserting the state of home network, even can be in closed condition, thus improved the flexibility of transfer of data, improved the user's data transmission and experienced.
Fig. 6 shows the flow process of data download method embodiment one in the embodiment of the invention.In the present embodiment, ustomer premises access equipment is the main frame in the home network, network equipment is a remote access equipment, equipment such as web camera for example, the ustomer premises access equipment and the network storage equipment, Data Transport Protocol between the network storage equipment and the Internet server is a http protocol, and main frame in the home network and the employing of the transfer of data between network storage equipment immediate data transmission means.
As shown in Figure 6, the network data method for down loading comprises in the present embodiment:
Step 60: the configuration network memory device, and set the information of main frame in the home network.
Before carrying out the network data download, the configuration network memory device.For example be used to store the capacity of the data storage area of data on the define grid memory device, data transmission policies etc.
Because the network storage equipment needs to send to from the data of remote access equipment the main frame in the home network, so the network storage equipment need obtain the information of the main frame in the home network, thereby make the network storage equipment data can be sent to accurately the main frame of appointment in the home network.Set the information of the main frame of appointment in the home network in this step, comprise host name, authentication information, store path of this main frame etc.
When only need or changing the information of corresponding main frame in the configuration of revising the network storage equipment, this step carries out, if the information of corresponding main frame or the configuration of the network storage equipment remain unchanged, this step only need be carried out once, main frame once more during data download repeated execution of steps 61～step 66 get final product.
Step 61: the remote access equipment and the network storage equipment connect.
According to http protocol, send connection request as the HTTP client to the network storage equipment by remote access equipment as the http server end, set up connection between the two.
Step 62: remote access equipment transmits data to the network storage equipment.
Remote access equipment upload the data to the data storage area on the network storage equipment by http protocol.
At this moment, the main frame in the home network can leave home network, even can be in closed condition, is received from the Internet data in server by the network storage equipment.
Step 63: remote access equipment close with the network storage equipment between be connected.
After the main frame in family's network transmission data are finished, disconnect with the network storage equipment between HTTP be connected, end data is uploaded.
Step 64: the main frame in the network storage equipment and the home network connects.
The network storage equipment is according to the information of the main frame of setting in the step 60, is connected under the situation of home network at the main frame of appointment, sets up HTTP with this main frame and is connected.That is to say that the main frame of appointment need not access network always, preserve data by the network storage equipment, when the main frame of appointment was connected into home network, the network storage equipment connected with the main frame of appointment again, is ready for sending data.For example, when the main frame of appointment shut down, the network storage equipment was preserved data, and after this main frame start, the network storage equipment and main frame connect.So, main frame need not online always, has obviously improved the flexibility of transfer of data.
Step 65: the main frame of the network storage equipment in home network uploaded data.
With home network in main frame connect after, the network storage equipment is given the transfer of data in the data storage area in the main frame of appointment.Because this step is carried out in family's network internal, thereby guaranteed the high-speed transfer of data.Accordingly, the user need not to wait for the long period when using main frame to upload data, just can finish uploading of data.
Step 66: being connected between the Host Shutdown in the home network and the network storage equipment.
After the main frame in family's network transmission data are finished, disconnect with the network storage equipment between HTTP be connected.
Pass through above-mentioned steps, main frame in the home network is downloaded data from remote access equipment by the network storage equipment from Internet, because the main frame in the home network is positioned at identical home network with the network storage equipment, so for this host subscriber, the process of data download is very fast, does not need long wait.Because the network storage equipment can be preserved data, the main frame in the home network need not to keep inserting the state of home network, even can be in closed condition, thereby has improved the flexibility of transfer of data, has improved the user's data transmission and has experienced.
Fig. 7 shows the flow process of data download method embodiment two in the embodiment of the invention.In the present embodiment, ustomer premises access equipment is the main frame in the home network, network equipment is a remote access equipment, equipment such as web camera for example, the ustomer premises access equipment and the network storage equipment, Data Transport Protocol between the network storage equipment and the Internet server is a http protocol, and main frame in the home network and the employing of the transfer of data between network storage equipment data sync mode.
With embodiment illustrated in fig. 6 different be that in the present embodiment, the information of main frame sends to the network storage equipment by remote access equipment in the home network.
As shown in Figure 7, the network data method for down loading comprises in the embodiment of the invention:
Step 70: configuration network memory device.
Before carrying out the network data download, the configuration network memory device.For example be used to store the capacity of the data storage area of data on the define grid memory device, data transmission policies etc.This step only need be carried out when the configuration of revising the network storage equipment, if the configuration of the network storage equipment remains unchanged, this step only need be carried out once, main frame once more during data download repeated execution of steps 61～step 66 get final product.
Step 71: the remote access equipment and the network storage equipment connect.
According to http protocol, send connection request as the HTTP client to the network storage equipment by remote access equipment as the http server end, set up connection between the two.
Step 72: remote access equipment transmits data to the network storage equipment, and uploads the information of the main frame of appointment in the home network simultaneously.
Remote access equipment upload the data to the data storage area on the network storage equipment by http protocol.Simultaneously, remote access equipment comprises the information of the main frame of appointment in the home network host name, authentication information, store path etc. send to the network storage equipment, thereby makes the network storage equipment data can be sent to accurately the main frame of appointment.
At this moment, the main frame in the home network can leave home network, even can be in closed condition, is received from the Internet data in server by the network storage equipment.
Step 73: remote access equipment close with the network storage equipment between be connected.
After remote access equipment transmission data are finished, disconnect with the network storage equipment between HTTP be connected, end data is uploaded.
Step 74～step 76: identical with step 64～step 66.
Pass through above-mentioned steps, main frame in the home network is from the data of Internet download from remote access equipment, owing to the main frame in the home network directly is connected with the network storage equipment, so for this host subscriber, the process of data download is very fast, does not need long wait.Because the network storage equipment can be preserved data, the main frame in the home network need not to keep inserting the state of home network, even can be in closed condition, thereby has improved the flexibility of transfer of data, has improved the user's data transmission and has experienced.
Fig. 8 shows the flow process of data download method embodiment three in the embodiment of the invention.In the present embodiment, ustomer premises access equipment is the main frame in the home network, network equipment is a remote access equipment, as web camera etc., the ustomer premises access equipment and the network storage equipment, Data Transport Protocol between the network storage equipment and the Internet server is a http protocol, and the transfer of data between the network storage equipment and the Internet server adopts the data sync transmission means.
Step 80: the configuration network memory device, set the information of the main frame in the home network carry out data sync.
Before network data is uploaded, the configuration network memory device.The capacity in data sync district on the define grid memory device for example, data synchronization strategy etc.Set the information of main frame in the home network that carries out data sync corresponding simultaneously with the data sync district, for example, host name, authentication information and need data in synchronization district etc.
In the present embodiment, the network storage equipment of supposing to be provided with in the home network is the reference device of data sync.
Step 81: the main frame in the network storage equipment and the home network connects.
According to http protocol, by the network storage equipment as the HTTP client to send connection request as the main frame in the home network of http server end, set up connection between the two.
Step 82: the main frame in the network storage equipment and the home network carries out data sync.
Because having set in advance the network storage equipment in the home network is the reference device of data sync, the main frame in the home network is that benchmark carries out data sync with the data of the network storage equipment, upgrades the data of self storing.
Step 83: the network storage equipment close with home network in being connected of main frame.
After data sync is finished, the network storage equipment disconnect with home network in main frame between HTTP be connected.
When using the embodiment of the invention, the network storage equipment can carry out with the main frame in the home network regularly synchronously, to guarantee the up-to-date data of storage in the main frame in the home network.
Step 84: the remote access equipment and the network storage equipment connect.
According to http protocol, send connection request as the HTTP client to the network storage equipment by remote access equipment as the http server end, set up connection between the two.
Step 85: remote access equipment is uploaded data to the network storage equipment.
Remote access equipment upload the data to the data sync district on the network storage equipment by http protocol.
At this moment, the main frame in the home network can leave home network, even can be in closed condition, is received from the Internet data in server by the network storage equipment.
Step 86: remote access equipment close with the network storage equipment between be connected.
After remote access equipment transmission data are finished, disconnect with the network storage equipment between HTTP be connected, end data is uploaded.
Step 87: the main frame in the network storage equipment and the home network connects.
Because change has taken place in the data in data sync district on the network storage equipment, when the main frame in family's network is in the state that is connected into home network, the network storage equipment initiatively main frame in home network is initiated connection request, set up with home network in being connected of main frame.
Step 88: the main frame synchrodata in the network storage equipment and the home network.
The network storage equipment is with data designated synchronization zone on the main frame of the transfer of data in the data sync district in family's network.Because this step is carried out in family's network internal, thereby guaranteed the high-speed transfer of data.Thereby make the user when using the main frame data download, need not to wait for the long period, just can finish the download of data.
Step 89: the network storage equipment close with home network in being connected of main frame.
After data sync is finished, the network storage equipment disconnect with home network in main frame between HTTP be connected the downloading process of end data.
As seen, in the data downloading process of the foregoing description, remote access equipment is given the network storage equipment with data upload, sends the data to main frame in the home network by the network storage equipment again.Because the main frame and the network storage equipment all are arranged in home network, thereby have guaranteed the high-speed transfer of main frame data download, have reduced the stand-by period of user when data download.Because the network storage equipment can be preserved data, when carrying out transfer of data with network equipment, ustomer premises access equipment need not to keep inserting the state of home network, even can be in closed condition, the network storage equipment can be when ustomer premises access equipment be connected into home network, send the data to ustomer premises access equipment again, thereby improved the flexibility of transfer of data, improved the user's data transmission and experienced.
In addition, because the network storage equipment can be preserved data, provide the data backup function, the data of the main frame in family's network are damaged or lose, and can obtain data once more by the network storage equipment.
Though above-described only is embodiment, and do not mean that protection scope of the present invention only limits to described embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making under the creative work prerequisite by revising, be equal to, substituting the every other embodiment that is obtained.
Claims (10)
1. a data transmission system is characterized in that, this system comprises one or more ustomer premises access equipments, the network storage equipment that is positioned at the same family network, and described system links to each other by the network equipment of communication network with the home network outside; Wherein,
Described ustomer premises access equipment is used to send the data to the described network storage equipment or receives data from the described network storage equipment;
The described network storage equipment, be used to store data from described ustomer premises access equipment, obtain network equipment information in advance, when described ustomer premises access equipment is in the state that is connected into or leaves described home network, described data are sent to network equipment according to the described network equipment information of obtaining; Perhaps when described ustomer premises access equipment is in the state that is connected into or leaves described home network, the data that storage receives from described network equipment, obtain ustomer premises access equipment information in advance, and described data are sent to described ustomer premises access equipment according to the ustomer premises access equipment information of obtaining.
2. data transmission system according to claim 1 is characterized in that described network equipment comprises Internet Server or remote access equipment.
3. data transmission system according to claim 2 is characterized in that, described ustomer premises access equipment is the main frame in the home network, and described remote access equipment is web camera or network camera.
4. data transmission method is used for that ustomer premises access equipment in the home network is given the network equipment of home network outside with data upload or from described network equipment data download, described method comprises:
Described ustomer premises access equipment is connected with the network storage equipment that is positioned at the same family network by home network, communication need be uploaded the data of transmission, or the described network storage equipment obtains ustomer premises access equipment information in advance, and downloads the data that receive according to the ustomer premises access equipment information of obtaining by the needs ustomer premises access equipment of communicating by letter home network and being connected of ustomer premises access equipment;
When described ustomer premises access equipment is in the state that is connected into or leaves described home network, the described network storage equipment obtains network equipment information in advance, and according to the network equipment information of obtaining, be connected by the network equipment of communication network with the home network outside, the described needs of communicating by letter are uploaded the data of transmission, or described network equipment is connected the data that communication needs described network storage equipment download to receive with the described network storage equipment by communication network.
5. data transmission method according to claim 4, it is characterized in that the described network storage equipment sends to described network equipment or the described network storage equipment with described data and described data are sent to described ustomer premises access equipment specifically comprises: immediate data transmission or data sync transmission.
6. data transmission method according to claim 5, it is characterized in that, it is the immediate data transmission that the described network storage equipment sends to described network equipment with described data, before described ustomer premises access equipment sends data to the described network storage equipment, further comprises:
The pre-configured described network storage equipment;
The method that the described network storage equipment obtains network equipment information in advance is:
When described ustomer premises access equipment sends the data to the network storage equipment, the information of described network equipment is sent to the network storage equipment by described ustomer premises access equipment; Perhaps,
When the pre-configured described network storage equipment, the information of described network equipment is set.
7. data transmission method according to claim 5 is characterized in that, it is the data sync transmission that the described network storage equipment sends to described network equipment with described data, and this method further comprises:
Setting in advance the described network storage equipment or described network equipment is the data sync reference device;
Before described ustomer premises access equipment sends data to the described network storage equipment, further comprise: with the data in the described data sync reference device is benchmark, and the described network storage equipment and described network equipment carry out data sync.
8. data transmission method according to claim 5, it is characterized in that, it is the immediate data transmission that the described network storage equipment sends to described ustomer premises access equipment with described data, before described network equipment sends to the described network storage equipment with described data, further comprise: the pre-configured described network storage equipment;
The method that the described network storage equipment obtains ustomer premises access equipment information in advance is:
When described network equipment sends the data to the described network storage equipment, the information of described ustomer premises access equipment is sent to the network storage equipment by described network equipment; Perhaps,
When the pre-configured described network storage equipment, the information of described ustomer premises access equipment is set.
9. data transmission method according to claim 5 is characterized in that, it is the data sync transmission that the described network storage equipment sends to described ustomer premises access equipment with described data, and this method further comprises:
Setting in advance the described network storage equipment or described ustomer premises access equipment is the data sync reference device;
Before described network equipment sends data to the described network storage equipment, further comprise: with the data in the described data sync reference device is benchmark, and the described network storage equipment and described ustomer premises access equipment carry out data sync.
10. data transmission method according to claim 4, it is characterized in that, between the described ustomer premises access equipment and the described network storage equipment and the Data Transport Protocol between the described network storage equipment and the described network equipment comprise: based on HTML (Hypertext Markup Language) HTTP, plug and play protocol UPNP, NFS NFS, CIFS CIFS or text transfer protocol FTP.
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| CN2007101062467A CN101309187B (en) | 2007-05-15 | 2007-05-15 | Data transmission method and system |
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| CN2007101062467A CN101309187B (en) | 2007-05-15 | 2007-05-15 | Data transmission method and system |
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| CN101309187B true CN101309187B (en) | 2011-08-03 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101834765B (en) * | 2009-03-13 | 2012-05-30 | 北京同步科技有限公司 | System and method for remote file transfer |
| CN102763394B (en) * | 2009-12-18 | 2016-01-20 | 法国电信公司 | Control method and equipment |
| CN102385474B (en) * | 2010-09-06 | 2014-06-04 | 北大方正集团有限公司 | Data output method, device and system |
| CN103873554A (en) * | 2013-12-05 | 2014-06-18 | 李海 | Wireless network hard disc service system |
| CN105450542B (en) * | 2014-08-21 | 2019-08-27 | 联想(北京)有限公司 | A kind of data processing method and the first electronic equipment |
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| EP1435705A2 (en) * | 2002-11-05 | 2004-07-07 | Nissan Motor Company, Limited | Method and device for data transmission and reception |
| CN1694427A (en) * | 2005-04-11 | 2005-11-09 | 深圳市天路软件开发有限公司 | Synchronization transmission method and system for data between general server and terminal server |
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| CN1299203A (en) * | 2001-01-12 | 2001-06-13 | 北京北大天正科技发展有限公司 | Shared data transmission method in computer network |
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