CN101989994A - Method, system and network side device for realizing data sharing - Google Patents
Method, system and network side device for realizing data sharing Download PDFInfo
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- CN101989994A CN101989994A CN2009100902531A CN200910090253A CN101989994A CN 101989994 A CN101989994 A CN 101989994A CN 2009100902531 A CN2009100902531 A CN 2009100902531A CN 200910090253 A CN200910090253 A CN 200910090253A CN 101989994 A CN101989994 A CN 101989994A
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- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
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Abstract
The embodiment of the invention discloses a method, a system and a network side device for realizing data sharing. The method comprises the following steps that: a first network side device receives a service request transmitted by a transmitting terminal and establishes connection between the transmitting terminal and the first network side device, wherein the service request transmitted by the transmitting terminal carries information of a receiving terminal; and the first network side device receives a data packet transmitted by the transmitting terminal and transmits the data packet to a second network side device to which the receiving terminal belongs according to the information of the receiving terminal. The embodiment of the invention can realize data sharing such as sharing of video and the like between different user terminals and the like.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of method and system and network side apparatus of realizing data sharing.
Background technology
Follow the extensive use of Web 2.0 notions, the user wishes that more and more idea, viewpoint and the finding gained oneself is shared with other users on one's own initiative.At present, there is a large amount of application on the internet, blog (Blog) for example, blogs (podcast) etc. have satisfied user's this demand to a certain extent.And, along with the development of wireless access technology, the bandwidth of wave point improves greatly, and the business that the user can use original the Internet to provide by wireless mode is provided, simultaneously because wireless immanent characteristic makes the user can obtain better professional impression by wireless Internet.
So video sharing service arises at the historic moment.By video sharing service, the user can wish oneself that the video of sharing is shared with other users by wireless network in real time.
Proposed the notion of video sharing service in the prior art, but the method that realizes video sharing service is not provided.
Summary of the invention
The embodiment of the invention provides a kind of method and system and network side apparatus of realizing data sharing at problems of the prior art, can realize the data sharings such as video between the different user terminals.
The embodiment of the invention provides a kind of method that realizes data sharing, comprising:
First network side apparatus receive to send the service request that terminal sends, and sets up being connected of described transmission terminal and described first network side apparatus, carries the information of receiving terminal in the service request of described transmission terminal transmission;
First network side apparatus receives the packet that described transmission terminal sends, and according to the information of described receiving terminal, described packet is sent to second network side apparatus of described receiving terminal ownership.
The embodiment of the invention also provides a kind of method that realizes data sharing, comprising:
Second network side apparatus receives the service request that receiving terminal sends, and sets up being connected between described receiving terminal and described second network side apparatus;
Described second network side apparatus receives the packet that first network side apparatus sends, and by described connection, described packet is sent to described receiving terminal.
The embodiment of the invention also provides a kind of first network side apparatus, comprising:
First connects and to set up module, is used to receive send the service request that terminal sends, and sets up being connected of described transmission terminal and described first network side apparatus, carries the information of receiving terminal in the service request of described transmission terminal transmission;
First distribution module is used to receive the packet that described transmission terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described packet is sent to second network side apparatus of described receiving terminal ownership.
The embodiment of the invention also provides a kind of second network side apparatus, comprising:
Second connects and to set up module, is used to receive the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side apparatus;
Second distribution module is used to receive the packet that first network side apparatus sends, and connects by described second and sets up the connection that module is set up, and described packet is sent to described receiving terminal.
The embodiment of the invention also provides a kind of system that realizes data sharing, comprises first network side apparatus and second network side apparatus;
Described first network side apparatus comprises:
First connects and to set up module, is used to receive send the service request that terminal sends, and sets up being connected of described transmission terminal and described first network side apparatus, carries the information of receiving terminal in the service request of described transmission terminal transmission;
First distribution module is used to receive the packet that described transmission terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described packet is sent to second network side apparatus of described receiving terminal ownership;
Described second network side apparatus comprises:
Second connects and to set up module, is used to receive the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side apparatus;
Second distribution module is used to receive the packet that described first network side apparatus sends, and connects by described second and sets up the connection that module is set up, and described packet is sent to described receiving terminal.
In the embodiment of the invention, send the information that carries receiving terminal in the service request of terminal to first network side apparatus, after such first network side apparatus receives the data that send the terminal transmission, just can be according to the information of receiving terminal, send the data to second network side apparatus of receiving terminal ownership, second network side apparatus sends to receiving terminal with the data that receive, and has realized data sharing.And, do not come deal with data owing to do not need to send the application server that terminal sends the data to the network side special use, directly carry out transfer of data, the delay in the time of can reducing transfer of data but make to send between terminal and the receiving terminal.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Figure 1 shows that the present invention realizes method embodiment one flow chart of data sharing;
Figure 2 shows that the present invention realizes method embodiment two flow charts of data sharing;
Figure 3 shows that a kind of LTE schematic network structure that relates in the embodiment of the invention;
Figure 4 shows that the present invention realizes the Signalling exchange figure of the method embodiment three of data sharing;
Figure 5 shows that the present invention realizes the Signalling exchange figure of the method embodiment four of data sharing;
Figure 6 shows that the another kind of LTE schematic network structure that relates in the embodiment of the invention;
Figure 7 shows that the present invention realizes the Signalling exchange figure of the method embodiment five of data sharing;
Figure 8 shows that the network that a kind of fixed network that relates in the embodiment of the invention and mobile network are merged;
Figure 9 shows that the present invention realizes the Signalling exchange figure of the method embodiment six of data sharing;
Figure 10 shows that the network that the another kind of fixed network that relates in the embodiment of the invention and mobile network are merged;
Figure 11 shows that the present invention realizes the Signalling exchange figure of the method embodiment seven of data sharing;
Figure 12 shows that a kind of the Internet that relates in the embodiment of the invention;
Figure 13 shows that the present invention realizes the Signalling exchange figure of the method embodiment eight of data sharing;
Figure 14 shows that the structural representation of the present invention first network side apparatus embodiment;
Figure 15 shows that the structural representation of the present invention second network side apparatus embodiment;
Figure 16 shows that the present invention realizes the structural representation of the system embodiment of data sharing.
Embodiment
Be illustrated in figure 1 as method embodiment one flow chart that the present invention realizes data sharing, comprise:
When the quantity N of receiving terminal greater than 1 the time, send in the service request that terminal sends and also carry the distribution indication, the distribution indication is used to notify second network side apparatus that the packet of receiving is duplicated and send to different receiving terminals.
In the step 101, first network side apparatus receive to send the service request that terminal sends, set up in the process that is connected that sends terminal and described first network side apparatus, can also with send terminal and carry out the header suppression negotiation.Step 102 specifically can comprise: first network side apparatus receives and sends the process header suppression packet afterwards that terminal sends, this packet is carried out head to decompress, information and distribution indication according to the receiving terminal that carries in the service request that sends the terminal transmission, packet is copied into N part, and each packet is sent to second network side apparatus of each receiving terminal ownership.The packet that sends the terminal transmission sends at each receiving terminal, information such as destination address, recipient's sign are all different in the packet that the transmission terminal sends, first network side apparatus set up with the transmission terminal between the process that is connected in, can carry out header suppression with the transmission terminal consults, elimination sends to the difference of the packet of different receiving terminals, and the data that feasible process transmission terminal is carried out after the header suppression are all identical for different recipients.
Be illustrated in figure 2 as method embodiment two flow charts that the present invention realizes data sharing, comprise:
When second network side apparatus is an Internet Server, and the quantity N of receiving terminal was greater than 1 o'clock, step 201 specifically can comprise: second network side apparatus receives the service request that receiving terminal sends, carry in the service request and converge sign, set up being connected between described receiving terminal and described second network side apparatus, set up the multicast group for carrying the identical receiving terminal that converges sign in the service request.Step 202 specifically can comprise: second network side apparatus receives the packet that first network side apparatus sends, and packet is sent to each receiving terminal by described multicast group.The packet that sends the terminal transmission sends at each receiving terminal, for different receiving terminals, information such as destination address, recipient's sign are all different in the packet that the transmission terminal sends, and second network side apparatus need be set up different connections with different receiving terminals and send different packets to receiving terminal.In order to reduce the number of connection of setting up between second network side apparatus and the receiving terminal, economize on resources, second network side apparatus can be set up the multicast group for carrying the identical receiving terminal that converges sign in the service request.
When second network side apparatus is the Access Network device, and the quantity N of receiving terminal was greater than 1 o'clock, step 201 specifically can comprise: second network side apparatus receives the service request that receiving terminal sends, carry in the service request and converge sign, set up being connected between described receiving terminal and described second network side apparatus, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in the service request.Step 202 specifically can comprise: second network side apparatus receives the packet that first network side apparatus sends, and packet is carried out header suppression, will send to each receiving terminal by the multicast bearer path through the packet after the header suppression.
In the previous embodiment, the service request that the transmission terminal sends to first network side apparatus can be that request is set up in carrying, also can be that session foundation is asked, and perhaps also can be that other are used to set up the service request that are connected that send the terminal and first network side apparatus.The service request that receiving terminal sends to second network side apparatus can be that request is set up in carrying, also can be that request is set up in session, perhaps also can be other service request that are connected that are used to set up the receiving terminal and second network side apparatus.
The method that provides in the embodiment of the invention, send the information that carries receiving terminal in the service request of terminal to first network side apparatus, after such first network side apparatus receives the data that send the terminal transmission, just can be according to the information of receiving terminal, send the data to second network side apparatus of receiving terminal ownership, second network side apparatus sends to receiving terminal with the data that receive, and has realized data sharing.And, do not come deal with data owing to do not need to send the application server that terminal sends the data to the network side special use, directly carry out transfer of data, the delay in the time of can reducing transfer of data but make to send between terminal and the receiving terminal.
The embodiment of the invention also provides a kind of method that realizes data sharing, comprising:
Steps A 1, first network side apparatus receive and send the service request that terminal sends, and set up being connected of described transmission terminal and described first network side apparatus, carry the information of receiving terminal in the service request of described transmission terminal transmission;
Steps A 2, first network side apparatus receive the packet that described transmission terminal sends, and according to the information of described receiving terminal, described packet are sent to second network side apparatus of described receiving terminal ownership;
Steps A 3, second network side apparatus receive the service request that receiving terminal sends, and set up being connected between described receiving terminal and described second network side apparatus;
Steps A 4, described second network side apparatus receive the packet that first network side apparatus sends, and by described connection, described packet are sent to described receiving terminal.
Among this embodiment, steps A 3 can be carried out before steps A 1, perhaps steps A 3 can be carried out simultaneously with steps A 1, perhaps steps A 3 can carried out before the steps A 2 after the steps A 1, as long as guaranteed before steps A 2 is carried out, first network side apparatus is finished with sending to set up being connected between the terminal, and being connected to set up to finish and getting final product between second network side apparatus and the receiving terminal.
So-called data sharing can be the data sharing between the terminal among the mobile network, can be data sharing between terminal among the mobile network and the terminal in the Internet (for example computer), can also be the data sharing between the terminal in the Internet.In the various embodiments of the present invention, first network side apparatus can be Access Network device or Internet Server.The Access Network device is meant each network element that is used for portable terminal is linked into the Access Network of network.For example, Access Network can be the network that Long Term Evolution (Long Term Evolution is called for short LTE) network, micro-wave access global inter communication technical forum (WiMAX) network, WCDMA network and the Internet etc. are used to realize access function.Second network side apparatus also can be Access Network device or Internet Server.In the LTE network, the Access Network device can comprise the mobility management unit (Mobility Management Entity is called for short MME) that sends terminal and receiving terminal ownership.Perhaps, the Access Network device can comprise the evolved base station (eNB) that sends terminal and receiving terminal ownership.Perhaps, the Access Network device can comprise the gateway (Serving Gateway is called for short S-GW) that sends terminal and receiving terminal ownership.Perhaps the Access Network device can comprise the packet data network gateway (Packet Data Network Gateway is called for short P-GW) that sends terminal and receiving terminal ownership, or the like.In the WCDMA network, the Access Network device can comprise gateway GSN (the Gateway GSN that sends terminal and receiving terminal ownership, abbreviation GGSN), Serving GPRS Support Node (Serving GPRS Support Node, be called for short SGSN) or radio network controller (Radio Network Controller is called for short RNC) etc.In the WiMAX network, the Access Network device can comprise the base station (Base Station is called for short BS) that sends terminal and receiving terminal ownership or access service network (Access Service Network is called for short ASN) etc.Send terminal and can belong to different MME, eNB, S-GW, P-GW, GGSN, SGSN, BS, ASN etc., also can belong to identical MME, eNB, S-GW, P-GW, GGSN, SGSN, BS, ASN etc. with receiving terminal.
Be example with the LTE network below, the implementation method of data sharing is described.
Be illustrated in figure 3 as a kind of LTE schematic network structure that relates in the embodiment of the invention, the one UE11 belongs to an eNB12, the 2nd UE21 belongs to the 2nd eNB22, the 3rd UE31 belongs to the 3rd eNB32, the one eNB12 belongs to a MME13, the 2nd eNB22 belongs to the 2nd MME23, and the 3rd eNB32 also belongs to the 2nd MME23.The one MME13 belongs to a P-GW14, and the 2nd MME23 belongs to the 2nd P-GW24.Fig. 3 shows the transmission path of video data and application layer signaling respectively.MME13 among Fig. 3 and the 2nd MME23 can be replaced by a S-GW of eNB12 ownership and the 2nd S-GW of the 2nd eNB22 ownership respectively.
Based on structure shown in Figure 3, the implementation method of data sharing of the present invention as shown in Figure 4.Be illustrated in figure 4 as the Signalling exchange figure that the present invention realizes the method embodiment three of data sharing, comprise:
Step 301, a UE respectively with the 2nd UE and the 3rd UE interactive application layer signaling, prepare for carrying out data sharing.The one UE sends terminal, and the 2nd UE and the 3rd UE are receiving terminals.Concrete application layer Signalling exchange path can be referring to Fig. 3, the one UE can carry out the application layer Signalling exchange by an eNB, a MME, a P-GW, the 2nd P-GW, the 2nd MME and the 2nd eNB and the 2nd UE, and a UE can carry out the application layer Signalling exchange by an eNB, a MME, a P-GW, the 2nd P-GW, the 2nd MME and the 3rd eNB and the 3rd UE.
Step 302, a UE initiate carrying to a MME and set up request, and information and the distribution indication that carries the 2nd UE and the 3rd UE in the request set up in this carrying, and this information can be address information or the user ID of the 2nd UE and the 3rd UE.
Step 303, a S-GW be to a UE echo reply message, sets up being connected between a UE and the S-GW, promptly sets up the carrying between a UE and the S-GW.
Step 302 ', the 2nd UE and the 3rd UE initiate carrying to the 2nd S-GW respectively and set up request.
Step 303 ', the 2nd S-GW is respectively to the 2nd UE and the 3rd UE echo reply message, sets up being connected between the 2nd S-GW and the 2nd UE/ the 3rd UE, promptly set up the 2nd S-GW and the 2nd UE and between carrying and the carrying between the 2nd S-GW and the 3rd UE.
Step 304, a UE send packet to a S-GW.
Step 305, a S-GW send to the packet that receives the 2nd S-GW of the 2nd UE and the 3rd UE ownership according to the 2nd UE that carries in the carrying foundation request in the step 302 and the information of the 3rd UE.Particularly, a S-GW is copied into two parts with the packet that receives, and the destination address in the packet is arranged to the address of each receiving terminal respectively, then packet is sent to the 2nd S-GW of the 2nd UE and the 3rd UE ownership.
After step 306, the 2nd S-GW receive and are used to send to the packet of the 2nd UE and the 3rd UE, according to the destination address in the packet, by step 303 ' middle carrying of setting up, respectively the packet that receives is sent to the 2nd UE and the 3rd UE.
Among the embodiment three, step 302,303 and step 302 ', 303 ' can carry out simultaneously, also can successively carry out, as long as guaranteed before step 304 is carried out, the carrying between carrying between a UE and the Access Network and the 2nd UE, the 3rd UE and the Access Network is set up and is got final product.
Be illustrated in figure 5 as the Signalling exchange figure that the present invention realizes the method embodiment four of data sharing, comprise:
Step 402, a UE initiate carrying to a S-GW and set up request, and information and the distribution indication that carries the 2nd UE and the 3rd UE in the request set up in this carrying, and this information can be address information or the user ID of the 2nd UE and the 3rd UE.
Step 403, a S-GW be to a UE echo reply message, sets up being connected between a UE and the S-GW, promptly sets up the carrying between a UE and the 2nd S-GW.
In the process of carrying out step 402 and 403, a UE also carries out header suppression with a S-GW to be consulted.
Step 402 ', the 2nd UE and the 3rd UE initiate carrying to the 2nd S-GW respectively and set up request, carrying is set up to carry in the request and is converged sign, the carrying that the 2nd UE and the 3rd UE initiate set up carry in the request to converge sign identical.
Step 403 ', the 2nd S-GW judge carrying that the 2nd UE and the 3rd UE initiate set up carry in the request whether converge sign identical, if identical then be that the 2nd UE and the 3rd UE set up a multicast bearer path.
Step 404 ', the 2nd S-GW is to the 2nd UE and the 3rd UE echo reply message, set up between the 2nd UE and the 2nd S-GW be connected and the 3rd UE and the 2nd S-GW between be connected, promptly set up carrying between the 2nd UE and the 2nd S-GW and the carrying between the 3rd UE and the 2nd S-GW.
Carry out step 402 ', in 403 ' and 404 ' the process, the 2nd UE, the 3rd UE also carry out header suppression with the 2nd S-GW to be consulted.Header suppression consults to be meant mutual header suppression context herein, the head of safeguarding the 2nd UE and the 3rd UE in network side the 2nd S-GW is compressed context not, issue packet the coming to the same thing after the process header suppression of the identical content of different receiving terminals with assurance, different receiving terminals also can be safeguarded the header suppression context simultaneously, can recover the packet that sends to self according to the header suppression context decompressed data bag of self maintained.
Step 405, a UE send to a S-GW with packet through after the header suppression.All identical through the packet after the header suppression for all receiving terminals.Particularly, a UE can carry out header suppression according to existing robustness header suppression (RoHC) technology or load header suppression methods such as (payload header suppressed are called for short PHS).
After step 406, a S-GW receive the packet of UE transmission, according to the information that obtains in the step 402, the header suppression of carrying out with a UE before the packet basis that obtains is consulted, packet is carried out head to decompress, video packets of data after the head decompression is copied into two parts, and the destination address of packet is replaced with the address of the 2nd UE and the 3rd UE respectively.Packet after the one S-GW decompresses head sends to the 2nd S-GW of the 2nd UE and the 3rd UE ownership.The one S-GW sends to the IP routing mode that the 2nd S-GW mode can be a standard with packet, after the one S-GW sends to core net or the Internet with packet, core net or the Internet route a data packet to home agent (the Home Agent of the 2nd S-GW according to destination address, be called for short HA), and then be forwarded to Access Network according to the log-on message of mobile IP by HA; The support of local route perhaps also can be provided at a S-GW, by a S-GW according to the destination address routing iinformation of its maintenance directly in the inner route of Access Network, handle without core net HA, to save the bearer network resource.
Among the embodiment four, step 402,403 and step 402 ', 403 ', 404 ' can carry out simultaneously, also can successively carry out, as long as guaranteed before step 405 is carried out, the multicast bearer path between carrying between a UE and the Access Network and the 2nd UE, the 3rd UE and the Access Network is set up and is got final product.
Among the embodiment four, in the time of a UE and the 2nd UE, the 3rd UE interactive application layer signaling, carry session identification in the application layer signaling.The 2nd UE, the 3rd UE set up to the carrying that the 2nd S-GW initiates and carry one and the corresponding sign that converges of this session identification in the request, such the 2nd S-GW can set up a multicast bearer path for second UE and the 3rd UE, and need not to be respectively the 2nd UE and the 3rd UE sets up bearer path, saved bearing resource.The one UE initiates carrying to a S-GW and sets up request, in the process of the carrying between foundation and the Access Network, carries out header suppression between a UE and the S-GW and consults, and the packet that a UE sends to a S-GW is through the packet after the header suppression.The packet that the one S-GW sends a UE carries out after the head decompression packet being sent to the 2nd S-GW.The 2nd S-GW carries out different header suppression with the packet that receives, and by a multicast bearer path, video packets of data is sent to the 2nd UE and the 3rd UE then.
Among Fig. 4 and the embodiment shown in Figure 5, first network side apparatus is a S-GW, and second network side apparatus is the 2nd S-GW.
In the network configuration as shown in Figure 3, a MME/ the one S-GW belongs to a P-GW, and the 2nd MME/ the 2nd S-GW belongs to the 2nd P-GW, and a MME/ the one S-GW and the 2nd MME/ the 2nd S-GW also can belong to same P-GW.Be illustrated in figure 6 as the another kind of LTE schematic network structure that relates in the embodiment of the invention.In Fig. 6, a MME/ the one S-GW13 and the 2nd MME/ the 2nd S-GW23 all belong to the 3rd P-GW34.
For network configuration as shown in Figure 6, realize that the method for data sharing can be as shown in Figure 7.Be illustrated in figure 7 as the Signalling exchange figure that the present invention realizes the method embodiment five of data sharing, comprise:
Step 502, a UE send carrying to the 3rd P-GW and set up request process, set up information and the distribution indication that carries the 2nd UE and the 3rd UE in the request in this carrying, and this information can be address information or the user ID of the 2nd UE and the 3rd UE.Particularly, a UE will carry the request of foundation and send to an eNB, and an eNB will carry the request of foundation and send to a S-GW, and a S-GW will carry the request of foundation again and send to the 3rd P-GW.
In the process of carrying out step 502 and 503, a UE also carries out header suppression with the 3rd P-GW to be consulted.
Step 502 ', the 2nd UE and the 3rd UE initiate carrying to the 3rd P-GW respectively and set up request, this carrying is set up to carry in the request and is converged sign, the carrying that the 2nd UE and the 3rd UE initiate is set up converging of carrying in the request and is identified identical.Particularly, the 2nd UE and the 3rd UE can be to the base station transmission carrying foundation requests of ownership separately, the eNB that the 2nd UE and the 3rd UE belong to separately should carry the request of foundation and send to the 2nd S-GW, and the 2nd S-GW sends to the 3rd P-GW with the carrying request of setting up of the 2nd UE and the 3rd UE transmission.
Step 503 ', the 3rd P-GW judge carrying that the 2nd UE and the 3rd UE initiate set up carry in the request whether converge sign identical, if identical then be that the 2nd UE and the 3rd UE set up a multicast bearer path.
Step 504 ', the 3rd P-GW sets up connection between the 2nd UE and the 3rd P-GW and the connection between the 3rd UE and the 3rd P-GW to the 2nd UE and the 3rd UE echo reply message, promptly sets up carrying between the 2nd UE and the 3rd P-GW and the carrying between the 3rd UE and the 3rd P-GW.
Carry out step 502 ', in 503 ' and 04 ' the process, the 2nd UE, the 3rd UE also carry out header suppression with the 3rd P-GW to be consulted.
Step 505, a UE send to the 3rd P-GW with packet through after the header suppression.All identical through the packet after the header suppression for all receiving terminals.
After step 506, the 3rd P-GW receive the packet of UE transmission, this packet is copied into two parts, and the header suppression of carrying out with a UE before data based after will duplicating is consulted, packet is carried out head to decompress, carry out different heads at different receiving terminals and decompress, the destination address of the packet after head decompresses is respectively the 2nd UE and the 3rd UE.
Packet after step 507, the 3rd P-GW will decompress through head, consult according to the header suppression of carrying out with the 2nd UE and the 3rd UE before, the packet that sends to the 2nd UE and the 3rd UE is carried out header suppression, will be through the packet after the header suppression, adopt the mode of multicast, by step 503 ' the middle multicast bearer path of setting up, send to the 2nd UE and the 3rd UE.
Among the embodiment shown in Figure 7, first network side apparatus and second network side apparatus are equivalent to be integrated among the 3rd P-GW, and the 3rd P-GW has realized the function of first network side apparatus and second network side apparatus.
Among Fig. 3 and the embodiment shown in Figure 6, data sharing realizes that between portable terminal data sharing can also realize between fixed terminal (for example, the computer in the Internet) and portable terminal.Be illustrated in figure 8 as the network that a kind of fixed network that relates in the embodiment of the invention and mobile network are merged, in this network, sending terminal A is fixed terminal, receiving terminal B and receiving terminal C are portable terminal, send terminal A and be linked into the Internet by Internet Server, receiving terminal B and receiving terminal C are linked into network by the 2nd eNB, the 2nd S-GW and the 2nd P-GW.
For network as shown in Figure 8, realize that the method for data sharing can be as shown in Figure 9.Be illustrated in figure 9 as the Signalling exchange figure that the present invention realizes the method embodiment six of data sharing, comprise:
Step 602, transmission terminal A set up request to the Internet Server initiation session, information and the distribution indication that carries receiving terminal B and receiving terminal C in the request set up in this session, and this information can be address information or the user ID of receiving terminal B and receiving terminal C.
Step 603, Internet Server are set up the connection that sends between terminal A and the Internet Server to sending terminal A echo reply message, promptly set up the session that sends between terminal A and the Internet Server.
Step 602 ', receiving terminal B and receiving terminal C initiate carrying to the 2nd S-GW respectively and set up request, carrying is set up to carry in the request and is converged sign, the carrying that receiving terminal B and receiving terminal C initiate set up carry in the request to converge sign identical.
Step 603 ', the 2nd S-GW judge carrying that receiving terminal B and receiving terminal C initiate set up carry in the request whether converge sign identical, if identical then set up a multicast bearer path for receiving terminal B and receiving terminal C.
Step 604 ', the 2nd S-GW is to receiving terminal B and receiving terminal C echo reply message, sets up being connected between receiving terminal B and receiving terminal C and the 2nd S-GW, promptly sets up the carrying between receiving terminal B and receiving terminal C and the 2nd S-GW.
Carry out step 602 ', in 603 ' and 604 ' the process, receiving terminal B, receiving terminal C also carry out header suppression with the 2nd S-GW to be consulted.
Step 605, transmission terminal A send to Internet Server with packet.
After step 606, Internet Server receive the packet that sends terminal A transmission, receiving terminal B that Internet Server carries in initiating to ask according to session in the step 602 and information and the distribution indication of receiving terminal C, to receive packet and be copied into two parts, and the destination address of packet is set to the address of receiving terminal B and receiving terminal C, packet sent to the 2nd S-GW of receiving terminal B and receiving terminal C ownership.
Among the embodiment shown in Figure 9, first network side apparatus is an Internet Server, and second network side apparatus is the 2nd S-GW.
Be the another kind of fixed network that relates in the embodiment of the invention network as shown in figure 10 with mobile network's fusion, in this network, the transmission terminal D is a portable terminal, receiving terminal E and receiving terminal F are fixed terminal, sending terminal D is connected with an eNB, the one eNB is connected with a P-GW by a S-GW, and receiving terminal E and receiving terminal F are connected the network for as shown in figure 10 with Internet Server, and the method for realization data sharing business can be as shown in figure 11.Realize the Signalling exchange figure of the method embodiment seven of data sharing as shown in figure 11 for the present invention, comprising:
Step 702, transmission terminal D are initiated carrying to a P-GW and are set up request, this carrying is set up the information that carries receiving terminal E and receiving terminal F in the request and is distributed indication, and this information can be address information or the user ID of receiving terminal E and receiving terminal F.Particularly, send terminal D and send carrying foundation request to an eNB, an eNB will carry the request of foundation and send to a S-GW, and a S-GW will carry to set up and ask to send to a P-GW.
In the process of carrying out step 702 and 703, send terminal D also and carry out header suppression between the P-GW and consult.
Step 702 ', receiving terminal E and receiving terminal F set up request to the Internet Server initiation session respectively, session is set up to carry in the request and is converged sign, the session that receiving terminal E and receiving terminal F initiate set up carry in the request to converge sign identical.
Step 703 ', Internet Server judge session that receiving terminal E and receiving terminal F initiate set up carry in the request whether converge sign identical, if identical then set up a multicast group for receiving terminal E and receiving terminal F.
Step 704 ', Internet Server is to receiving terminal E and receiving terminal F echo reply message, set up being connected between Internet Server and receiving terminal E and the receiving terminal F, carry the relevant information of multicast transmission in the response message, as be the address etc. of the multicast group set up of receiving terminal E and receiving terminal F.
After receiving response message, receiving terminal E and receiving terminal F can add the multicast group of setting up according to existing Internet protocol, prepare to receive packet.
Step 705, transmission terminal D send to a P-GW with data through after the header suppression.All identical through the packet after the header suppression for all receiving terminals.
After step 706, a P-GW receive packet, according to the information that obtains in the step 702, the header suppression of carrying out with the transmission terminal D before the packet basis that obtains is consulted, packet is carried out head to decompress, packet after the head decompression is duplicated, and the destination address of packet is set to the address of receiving terminal E and receiving terminal F.Receiving terminal E that the one P-GW carries in initiating to ask according to session in the step 702 and information and the distribution indication of receiving terminal F send to Internet Server with the packet after the head decompression.
Step 707, Internet Server receive packet, and according to the multicast group information of the multicast transmission of setting up with receiving terminal E and receiving terminal F before, adopt the mode of multicast, and packet by the multicast group, is sent to receiving terminal E and receiving terminal F.
Among the embodiment shown in Figure 11, first network side apparatus is a P-GW, and second network side apparatus is an Internet Server.
Be a kind of the Internet that relates in the embodiment of the invention as shown in figure 12, in this network, transmission terminal H, receiving terminal I and receiving terminal J are the fixed terminal in the internet.Sending terminal H, receiving terminal I all is connected with Internet Server with receiving terminal J.For network as shown in figure 12, realize that the method for data sharing business can be as shown in figure 13.Realize the Signalling exchange figure of the method embodiment eight of data sharing as shown in figure 13 for the present invention, comprising:
Step 802, the good foundation to the Internet Server initiation session of transmission terminal are asked, this session is set up the information that carries receiving terminal I and receiving terminal J in the request and is distributed indication, and this information can be address information or the user ID of receiving terminal I and receiving terminal J.
Step 802 ', receiving terminal I and receiving terminal J set up request to the Internet Server initiation session respectively, session is set up to carry in the request and is converged sign, the session that receiving terminal I and receiving terminal J initiate set up carry in the request to converge sign identical.
Step 803 ', Internet Server judge session that receiving terminal I and receiving terminal J initiate set up carry in the request whether converge sign identical, if identical then set up a multicast group for receiving terminal I and receiving terminal J.
Step 804 ', Internet Server is to receiving terminal I and receiving terminal J echo reply message, set up being connected between Internet Server and receiving terminal I and the receiving terminal J, carry the relevant information of multicast transmission in the response message, as be the address etc. of the multicast group set up of receiving terminal I and receiving terminal J.
After receiving response message, receiving terminal I and receiving terminal J can add the multicast group of setting up according to existing Internet protocol, prepare to receive packet.
Step 805, transmission terminal H send to Internet Server with packet.
After step 806, Internet Server receive packet,, adopt the mode of multicast, packet by the multicast group, is sent to receiving terminal I and receiving terminal J according to the multicast group information of the multicast transmission of setting up with receiving terminal I and receiving terminal J before.
Among the embodiment shown in Figure 13, first network side apparatus and second network side apparatus are equivalent to be integrated in the Internet Server, and Internet Server has been realized the function of first network side apparatus and second network side apparatus.
All be that quantity with receiving terminal is 2 to introduce among above-mentioned each embodiment of the present invention, in fact, the quantity of receiving terminal can be 1, also can be a plurality of, is not limited to 2.When the quantity of receiving terminal during greater than 2, the implementation procedure of implementation procedure and aforementioned 2 receiving terminals is similar.
As shown in figure 14 for the structural representation of the present invention first network side apparatus embodiment, this device comprises: the module 51 and first distribution module 52 are set up in first connection, first connection is set up module 51 and is connected with first distribution module 52, wherein, first connection is set up module 51 and is used to receive the service request that sends the terminal transmission, foundation transmission terminal is connected with this first network side apparatus, carries the information of receiving terminal in the service request that the transmission terminal sends; First distribution module 52 is used to receive and sends the packet that terminal sends, and connects the information of setting up the receiving terminal that module 51 receives according to first, described packet is sent to second network side apparatus of receiving terminal ownership.
In one embodiment, first distribution module 52 specifically can be used to receive the packet that described transmission terminal sends, the information of the receiving terminal that carries in the service request according to described transmission terminal transmission and distribution indication, described packet is copied into N part, and each packet is sent to second network side apparatus of each receiving terminal ownership.Particularly, packet is copied into after N part, address in each piece of data bag can be replaced with the address of each receiving terminal, perhaps the sign in the packet be replaced with the sign of each receiving terminal, then each packet be sent to second network side apparatus of each receiving terminal ownership.
In one embodiment, first connects and to set up module 51 and can also be used for carrying out header suppression with described transmission terminal and consult; First distribution module 52 specifically can be used to receive the process header suppression packet afterwards that sends the terminal transmission, this packet is carried out head to decompress, information and distribution indication according to the receiving terminal that carries in the service request that sends the terminal transmission, packet is copied into N part, and each packet is sent to second network side apparatus of each receiving terminal ownership.Particularly, packet is copied into after N part, address in each piece of data bag can be replaced with the address of each receiving terminal, perhaps the sign in the packet be replaced with the sign of each receiving terminal, then each packet be sent to second network side apparatus of each receiving terminal ownership.
As shown in figure 15 for the structural representation of the present invention second network side apparatus embodiment, comprise that second connects and to set up the module 61 and second distribution module 62, second distribution module 62 is connected with second sets up module 61 connections, wherein, second connects and to set up module 61 and be used to receive the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side apparatus; Second distribution module 62 is used to receive the packet that first network side apparatus sends, and connects by described second and sets up the connection that module 61 is set up, and described packet is sent to described receiving terminal.
In one embodiment, module 61 is set up in second connection specifically can be used to receive the service request that receiving terminal sends, carry in the service request and converge sign, set up being connected between receiving terminal and second network side apparatus, set up the multicast group for carrying the identical receiving terminal that converges sign in the service request; Second distribution module 62 specifically can be used to receive the packet that first network side apparatus sends, and packet is connected the multicast group of setting up module 61 foundation by described second send to each receiving terminal.
In one embodiment, module 61 is set up in second connection specifically can be used to receive the service request that receiving terminal sends, carry in the described service request and converge sign, set up being connected between described receiving terminal and second network side apparatus, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in the service request; Second distribution module 62 specifically can be used to receive the packet that first network side apparatus sends, and packet is carried out header suppression, packet is connected the multicast bearer path of setting up module 61 foundation by described second send to each receiving terminal.
Realize the structural representation of the system embodiment of data sharing as shown in figure 16 for the present invention, comprise as shown in figure 14 first network side apparatus 5 and first distribution module 52 in second network side apparatus, 6, the first network side apparatus 5 as shown in figure 15 and second network side apparatus 6 in second be connected and set up module 61 and connect.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (14)
1. a method that realizes data sharing is characterized in that, comprising:
First network side apparatus receive to send the service request that terminal sends, and sets up being connected of described transmission terminal and described first network side apparatus, carries the information of receiving terminal in the service request of described transmission terminal transmission;
First network side apparatus receives the packet that described transmission terminal sends, and according to the information of described receiving terminal, described packet is sent to second network side apparatus of described receiving terminal ownership.
2. method according to claim 1, it is characterized in that, when the quantity N of described receiving terminal big 1 the time, also carry the distribution indication in the service request that described transmission terminal sends, described distribution indication is used to notify described second network side apparatus that the packet of receiving is duplicated and send to different receiving terminals;
Described first network side apparatus receives the packet that described transmission terminal sends, and according to the information of described receiving terminal, second network side apparatus that described packet is sent to described receiving terminal ownership comprises:
Described first network side apparatus receives the packet that described transmission terminal sends, the information of the receiving terminal that carries in the service request according to described transmission terminal transmission and distribution indication, described packet is copied into N part, each packet is sent to second network side apparatus of each receiving terminal ownership.
3. method according to claim 2, it is characterized in that, described first network side apparatus receives and sends the service request that terminal sends, and sets up in the process that is connected of described transmission terminal and described first network side apparatus, also carries out the header suppression negotiation with described transmission terminal;
Described first network side apparatus receives the packet that described transmission terminal sends, the information of the receiving terminal that carries in the service request according to described transmission terminal transmission and distribution indication, described packet is copied into N part, and second network side apparatus that each packet sends to each receiving terminal ownership is specifically comprised:
Described first network side apparatus receives the process header suppression packet afterwards that described transmission terminal sends, described packet is carried out head to decompress, the information of the receiving terminal that carries in the service request according to described transmission terminal transmission and distribution indication, described packet is copied into N part, and each packet is sent to second network side apparatus of each receiving terminal ownership.
4. a method that realizes data sharing is characterized in that, comprising:
Second network side apparatus receives the service request that receiving terminal sends, and sets up being connected between described receiving terminal and described second network side apparatus;
Described second network side apparatus receives the packet that first network side apparatus sends, and by described connection, described packet is sent to described receiving terminal.
5. method according to claim 4, it is characterized in that, when the quantity N of described receiving terminal greater than 1 the time, described second network side apparatus receives the service request that receiving terminal sends, set up and comprise being connected specifically between described receiving terminal and described second network side apparatus: described second network side apparatus receives the service request that receiving terminal sends, carry in the described service request and converge sign, set up being connected between described receiving terminal and described second network side apparatus, and set up the multicast group for carrying the identical receiving terminal that converges sign in the described service request;
Described second network side apparatus receives the packet that first network side apparatus sends, by described connection, described packet is sent to described receiving terminal specifically to be comprised: described second network side apparatus receives the packet that first network side apparatus sends, and described packet is sent to each receiving terminal by described multicast group.
6. method according to claim 4, it is characterized in that, when the quantity N of described receiving terminal greater than 1 the time, described second network side apparatus receives the service request that receiving terminal sends, set up and comprise being connected specifically between described receiving terminal and described second network side apparatus: described second network side apparatus receives the service request that receiving terminal sends, carry in the described service request and converge sign, set up being connected between described receiving terminal and described second network side apparatus, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in the described service request;
Described second network side apparatus receives the packet that first network side apparatus sends, by described connection, described packet is sent to described receiving terminal specifically to be comprised: described second network side apparatus receives the packet that first network side apparatus sends, described packet is carried out header suppression, will send to each receiving terminal by described multicast bearer path through the packet after the header suppression.
7. a network side apparatus is characterized in that, comprising:
First connects and to set up module, is used to receive send the service request that terminal sends, and sets up being connected of described transmission terminal and described first network side apparatus, carries the information of receiving terminal in the service request of described transmission terminal transmission;
First distribution module is used to receive the packet that described transmission terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described packet is sent to second network side apparatus of described receiving terminal ownership.
8. device according to claim 7, it is characterized in that, described first distribution module specifically is used to receive the packet that described transmission terminal sends, the information of the receiving terminal that carries in the service request according to described transmission terminal transmission and distribution indication, described packet is copied into N part, and each packet is sent to second network side apparatus of each receiving terminal ownership.
9. device according to claim 7 is characterized in that, described first connection is set up module and also is used for carrying out the header suppression negotiation with described transmission terminal;
Described first distribution module specifically is used to receive the process header suppression packet afterwards that described transmission terminal sends, described packet is carried out head to decompress, the information of the receiving terminal that carries in the service request according to described transmission terminal transmission and distribution indication, described packet is copied into N part, and each packet is sent to second network side apparatus of each receiving terminal ownership.
10. a network side apparatus is characterized in that, comprising:
Second connects and to set up module, is used to receive the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side apparatus;
Second distribution module is used to receive the packet that first network side apparatus sends, and connects by described second and sets up the connection that module is set up, and described packet is sent to described receiving terminal.
11. device according to claim 10, it is characterized in that, described second connection is set up module and specifically is used to receive the service request that receiving terminal sends, carry in the described service request and converge sign, set up being connected between described receiving terminal and described second network side apparatus, set up the multicast group for carrying the identical receiving terminal that converges sign in the described service request;
Described second distribution module specifically is used to receive the packet that first network side apparatus sends, and described packet is connected the multicast group of setting up module foundation by described second send to each receiving terminal.
12. device according to claim 11, it is characterized in that, described second connection is set up module and specifically is used to receive the service request that receiving terminal sends, carry in the described service request and converge sign, set up being connected between described receiving terminal and described second network side apparatus, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in the described service request;
Described second distribution module specifically is used to receive the packet that first network side apparatus sends, and described packet is carried out header suppression, described packet is connected the multicast bearer path of setting up module foundation by described second send to each receiving terminal.
13. a system that realizes data sharing is characterized in that, comprises first network side apparatus and second network side apparatus;
Described first network side apparatus comprises:
First connects and to set up module, is used to receive send the service request that terminal sends, and sets up being connected of described transmission terminal and described first network side apparatus, carries the information of receiving terminal in the service request of described transmission terminal transmission;
First distribution module is used to receive the packet that described transmission terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described packet is sent to second network side apparatus of described receiving terminal ownership;
Described second network side apparatus comprises:
Second connects and to set up module, is used to receive the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side apparatus;
Second distribution module is used to receive the packet that described first network side apparatus sends, and connects by described second and sets up the connection that module is set up, and described packet is sent to described receiving terminal.
14. system according to claim 13 is characterized in that, described first network side apparatus is Access Network device or Internet Server, and described second network side apparatus is Access Network device or Internet Server.
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| CN2009100902531A CN101989994B (en) | 2009-08-03 | 2009-08-03 | Method, system and network side device for realizing data sharing |
| PCT/CN2010/075581 WO2011015116A1 (en) | 2009-08-03 | 2010-07-30 | Method and system for realizing data sharing and network side device |
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| CN2009100902531A CN101989994B (en) | 2009-08-03 | 2009-08-03 | Method, system and network side device for realizing data sharing |
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| WO2011015116A1 (en) | 2011-02-10 |
| CN101989994B (en) | 2013-11-06 |
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