CN101989994B - 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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- CN101989994B CN101989994B CN2009100902531A CN200910090253A CN101989994B CN 101989994 B CN101989994 B CN 101989994B CN 2009100902531 A CN2009100902531 A CN 2009100902531A CN 200910090253 A CN200910090253 A CN 200910090253A CN 101989994 B CN101989994 B CN 101989994B
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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 concepts, 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 on the internet a large amount of application, 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, the business that makes the user to use original the Internet to provide by wireless mode, due to wireless immanent characteristic, make the user can obtain better business impression by wireless Internet simultaneously.
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 concept of video sharing service in prior art, but the method that realizes video sharing service is not provided.
Summary of the invention
The embodiment of the present invention provides a kind of method and system and network side apparatus of realizing data sharing for problems of the prior art, can realize the data sharings such as video between different user terminals.
The embodiment of the present invention provides a kind of method that realizes data sharing, comprising:
First network side device receives the service request that transmitting terminal sends, and sets up being connected of described transmitting terminal and described first network side device, carries the information of receiving terminal in the service request of described transmitting terminal transmission;
First network side device receives the packet that described transmitting terminal sends, and according to the information of described receiving terminal, described Packet Generation is given the second network side device of described receiving terminal ownership.
The embodiment of the present invention also provides a kind of method that realizes data sharing, comprising:
Second network side device receives the service request that receiving terminal sends, and sets up being connected between described receiving terminal and described second network side device;
Described second network side device receives the packet that first network side device sends, and by described connection, gives described receiving terminal with described Packet Generation.
The embodiment of the present invention also provides a kind of first network side device, comprising:
First connects and to set up module, is used for receiving the service request that transmitting terminal sends, and sets up being connected of described transmitting terminal and described first network side device, carries the information of receiving terminal in the service request of described transmitting terminal transmission;
The first distribution module is used for receiving the packet that described transmitting terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described Packet Generation is given the second network side device of described receiving terminal ownership.
The embodiment of the present invention also provides a kind of second network side device, comprising:
Second connects and to set up module, is used for receiving the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side device;
The second distribution module is used for receiving the packet that first network side device sends, and connects by described second and sets up the connection that module is set up, and gives described receiving terminal with described Packet Generation.
The embodiment of the present invention also provides a kind of system that realizes data sharing, comprises first network side device and second network side device;
Described first network side device comprises:
First connects and to set up module, is used for receiving the service request that transmitting terminal sends, and sets up being connected of described transmitting terminal and described first network side device, carries the information of receiving terminal in the service request of described transmitting terminal transmission;
The first distribution module is used for receiving the packet that described transmitting terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described Packet Generation is given the second network side device of described receiving terminal ownership;
Described second network side device comprises:
Second connects and to set up module, is used for receiving the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side device;
The second distribution module is used for receiving the packet that described first network side device sends, and connects by described second and sets up the connection that module is set up, and gives described receiving terminal with described Packet Generation.
In the embodiment of the present invention, carry the information of receiving terminal in the service request of transmitting terminal to first network side device, after first network side device receives the data of transmitting terminal transmission like this, just can be according to the information of receiving terminal, send the data to the second network side device of receiving terminal ownership, second network side device sends to receiving terminal with the data that receive, and has realized data sharing.And, because the application server that does not need transmitting terminal to send the data to the network side special use comes deal with data, directly carry out transfer of data, the delay in the time of can reducing transfer of data between transmitting terminal and receiving terminal but make.
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 embodiment of the method one flow chart of data sharing;
Figure 2 shows that the present invention realizes embodiment of the method two flow charts of data sharing;
Figure 3 shows that a kind of LTE schematic network structure that relates in the embodiment of the present invention;
Figure 4 shows that the present invention realizes the Signalling exchange figure of the embodiment of the method three of data sharing;
Figure 5 shows that the present invention realizes the Signalling exchange figure of the embodiment of the method four of data sharing;
Figure 6 shows that the another kind of LTE schematic network structure that relates in the embodiment of the present invention;
Figure 7 shows that the present invention realizes the Signalling exchange figure of the embodiment of the method five of data sharing;
Figure 8 shows that the network that a kind of fixed network of relating in the embodiment of the present invention and mobile network are merged;
Figure 9 shows that the present invention realizes the Signalling exchange figure of the embodiment of the method six of data sharing;
Figure 10 shows that the network that the another kind of fixed network that relates in the embodiment of the present invention and mobile network are merged;
Figure 11 shows that the present invention realizes the Signalling exchange figure of the embodiment of the method seven of data sharing;
Figure 12 shows that a kind of the Internet that relates in the embodiment of the present invention;
Figure 13 shows that the present invention realizes the Signalling exchange figure of the embodiment of the method eight of data sharing;
Figure 14 shows that the structural representation of first network side device embodiment of the present invention;
Figure 15 shows that the structural representation of second network side device embodiment of the present invention;
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 embodiment of the method one flow chart that the present invention realizes data sharing, comprise:
Greater than 1 the time, also carry the distribution indication as the quantity N of receiving terminal in the service request that transmitting terminal sends, the distribution indication is used for notice second network side device and the packet of receiving is copied and sends to different receiving terminals.
In step 101, first network side device receives the service request that transmitting terminal sends, and sets up in the process that is connected of transmitting terminal and described first network side device, can also carry out the header suppression negotiation with transmitting terminal.Step 102 specifically can comprise: first network side device receives the process header suppression packet afterwards that transmitting terminal sends, this packet is carried out head to decompress, the information of the receiving terminal that carries in the service request according to the transmitting terminal transmission and distribution indication, packet is copied into N part, and each Packet Generation is given the second network side device of each receiving terminal ownership.The packet that transmitting terminal sends sends for each receiving terminal, in the packet that transmitting terminal sends, the information such as destination address, recipient's sign are all different, first network side device set up with transmitting terminal between the process that is connected in, can carry out header suppression with transmitting terminal consults, elimination sends to the difference of the packet of different receiving terminals, makes the data of carrying out after header suppression through transmitting terminal all identical for different recipients.
Be illustrated in figure 2 as embodiment of the method two flow charts that the present invention realizes data sharing, comprise:
When second network side device is Internet Server, and the quantity N of receiving terminal was greater than 1 o'clock, step 201 specifically can comprise: second network side device receives the service request that receiving terminal sends, carry in service request and converge sign, set up being connected between described receiving terminal and described second network side device, set up the multicast group for carrying the identical receiving terminal that converges sign in service request.Step 202 specifically can comprise: second network side device receives the packet that first network side device sends, and packet is sent to each receiving terminal by described multicast group.The packet that transmitting terminal sends sends for each receiving terminal, for different receiving terminals, in the packet that transmitting terminal sends, the information such as destination address, recipient's sign are all different, and second network side device need to be set up different connections from 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 device and receiving terminal, economize on resources, second network side device can be set up the multicast group for carrying the identical receiving terminal that converges sign in service request.
When second network side device is access network device, and the quantity N of receiving terminal was greater than 1 o'clock, step 201 specifically can comprise: second network side device receives the service request that receiving terminal sends, carry in service request and converge sign, set up being connected between described receiving terminal and described second network side device, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in service request.Step 202 specifically can comprise: second network side device receives the packet that first network side device sends, and packet is carried out header suppression, will send to each receiving terminal by the multicast bearer path through the packet after header suppression.
In previous embodiment, it can be the carrying request of setting up that transmitting terminal sends to the service request of first network side device, can be also the session establishment request, can be also perhaps that other are used to set up transmitting terminal and are connected the service request of connection with first network side device.It can be the carrying request of setting up that receiving terminal sends to the service request of second network side device, can be also the session establishment request, can be also perhaps that other are used to set up receiving terminal and are connected the service request of connection with second network side device.
The method that provides in the embodiment of the present invention, carry the information of receiving terminal in the service request of transmitting terminal to first network side device, after first network side device receives the data of transmitting terminal transmission like this, just can be according to the information of receiving terminal, send the data to the second network side device of receiving terminal ownership, second network side device sends to receiving terminal with the data that receive, and has realized data sharing.And, because the application server that does not need transmitting terminal to send the data to the network side special use comes deal with data, directly carry out transfer of data, the delay in the time of can reducing transfer of data between transmitting terminal and receiving terminal but make.
The embodiment of the present invention also provides a kind of method that realizes data sharing, comprising:
Steps A 1, first network side device receive the service request that transmitting terminal sends, and set up being connected of described transmitting terminal and described first network side device, carry the information of receiving terminal in the service request of described transmitting terminal transmission;
Steps A 2, first network side device receive the packet that described transmitting terminal sends, and according to the information of described receiving terminal, described Packet Generation are given the second network side device of described receiving terminal ownership;
Steps A 3, second network side device receive the service request that receiving terminal sends, and set up being connected between described receiving terminal and described second network side device;
Steps A 4, described second network side device receive the packet that first network side device sends, and by described connection, give described receiving terminal with described Packet Generation.
In 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 steps A 2 after steps A 1, as long as guaranteed before steps A 2 is carried out, being connected between first network side device and transmitting terminal sets up and completes, and being connected to set up to complete and getting final product between second network side device and receiving terminal.
So-called data sharing can be the data sharing between the terminal in the mobile network, can be data sharing between terminal in 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 various embodiments of the present invention, first network side device can be access network device or Internet Server.Access network device refers to each network element for the Access Network that mobile terminal is linked into 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 for realizing access function.Second network side device can be also access network device or Internet Server.In the LTE network, access network device can comprise the mobility management unit (Mobility Management Entity is called for short MME) of transmitting terminal and receiving terminal ownership.Perhaps, access network device can comprise the evolved base station (eNB) of transmitting terminal and receiving terminal ownership.Perhaps, access network device can comprise the gateway (ServingGateway is called for short S-GW) of transmitting terminal and receiving terminal ownership.Perhaps access network device can comprise the packet data network gateway (Packet Data Network Gateway is called for short P-GW) of transmitting terminal and receiving terminal ownership, etc.In the WCDMA network, access network device can comprise gateway GSN (the Gateway GSN of transmitting terminal and receiving terminal ownership, abbreviation GGSN), Serving GPRS Support Node (Serving GPRS SupportNode, be called for short SGSN) or radio network controller (Radio Network Controller is called for short RNC) etc.In the WiMAX network, access network device can comprise the base station (Base Station is called for short BS) of transmitting terminal and receiving terminal ownership or access service network (Access Service Network is called for short ASN) etc.Transmitting terminal and receiving terminal 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.
The below illustrates the implementation method of data sharing take the LTE network as example.
Be illustrated in figure 3 as a kind of LTE schematic network structure that relates in the embodiment of the present 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 respectively the transmission path of video data and application layer signaling.A MME13 in Fig. 3 and the 2nd MME23 can be replaced by respectively a S-GW of an eNB12 ownership and the 2nd S-GW of the 2nd eNB22 ownership.
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 embodiment of the method three of data sharing, comprise:
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 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 return to response message to a UE, set up being connected between a UE and a S-GW, namely set up the carrying between a UE and a 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 returns to response message to the 2nd UE and the 3rd UE respectively, sets up being connected between the 2nd S-GW and the 2nd UE/ the 3rd UE, namely 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 are set up the 2nd UE that carries in request and the information of the 3rd UE according to carrying in step 302, with the Packet Generation that receives the 2nd S-GW to the 2nd UE and the 3rd UE ownership.Particularly, a S-GW is copied into two parts with the packet that receives, and the destination address in packet is arranged to respectively the address of each receiving terminal, then Packet Generation is given the 2nd S-GW of the 2nd UE and the 3rd UE ownership.
Step 306, the 2nd S-GW receive be used to after the packet that sends to the 2nd UE and the 3rd UE, according to the destination address in packet, by step 303 ' in the carrying of setting up, respectively with the Packet Generation that receives to the 2nd UE and the 3rd UE.
In 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 the carrying between a UE and Access Network and the 2nd UE, the 3rd UE and Access Network establishes and gets final product.
Be illustrated in figure 5 as the Signalling exchange figure that the present invention realizes the embodiment of the method 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 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.
In the process of carrying out step 402 and 403, UE the also with one S-GW carries out header suppression 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 request and is converged sign, the carrying that the 2nd UE and the 3rd UE initiate set up carry in 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 request whether converge sign identical, be if the same that the 2nd UE and the 3rd UE set up a multicast bearer path.
Step 404 ', the 2nd S-GW returns to response message to the 2nd UE and the 3rd UE, 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, namely 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 ' process, the 2nd UE, the 3rd UE the also with two S-GW carry out header suppression to be consulted.Header suppression consults to refer to 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 head compressed context simultaneously, can according to the header suppression context decompressed data bag of self maintained, recover the packet that sends to self.
Step 405, a UE send to a S-GW with packet through after header suppression.All identical for all receiving terminals through the packet after header suppression.Particularly, a UE can carry out header suppression according to methods such as existing robustness head compression (RoHC) technology or load header suppression (payload headersuppressed is called for short PHS).
After step 406, a S-GW receive the packet of a UE transmission, according to the information that obtains in 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 head is decompressed is copied into two parts, and the destination address of packet is replaced with respectively the address of the 2nd UE and the 3rd UE.Packet Generation after the one S-GW decompresses head is to the 2nd S-GW of the 2nd UE and the 3rd UE ownership.It can be the IP routing mode of standard that the one S-GW gives the 2nd S-GW mode with Packet Generation, after the one S-GW arrives core net or the Internet with Packet Generation, 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 by HA according to the log-on message of Mobile IP; Perhaps also can provide at a S-GW support of local routing, by a S-GW according to the destination address routing iinformation of its maintenance directly in the inner route of Access Network, process without core net HA, to save the bearer network resource.
In 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 the carrying between a UE and Access Network and the 2nd UE, the 3rd UE and Access Network establishes and gets final product.
In 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 carrying that the 2nd UE, the 3rd UE initiate to the 2nd S-GW is set up and is carried corresponding with this a session identification sign that converges in request, such the 2nd S-GW can set up a multicast bearer path for the 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 Access Network, carries out header suppression between a UE and a S-GW and consults, and it is through the packet after header suppression that a UE sends to the packet of a S-GW.The packet that the one S-GW sends a UE is given the 2nd S-GW with Packet Generation after carrying out the head decompression.The 2nd S-GW carries out different header suppression with the packet that receives, and then by a multicast bearer path, video packets of data is sent to the 2nd UE and the 3rd UE.
In Fig. 4 and embodiment shown in Figure 5, first network side device is a S-GW, and second network side device is the 2nd S-GW.
In network configuration as shown in Figure 3, 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 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 present invention.In Fig. 6, 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 embodiment of the method five of data sharing, comprise:
Step 502, a UE send carrying to the 3rd P-GW and set up request process, set up in this carrying information and the distribution indication that carries the 2nd UE and the 3rd UE in request, 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 setting up and send to an eNB, an eNB will carrys the request of foundation to send to a S-GW, a S-GW will carrys foundation to ask to send to the 3rd P-GW again.
In the process of carrying out step 502 and 503, UE the also with three P-GW carries out header suppression 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 request and is converged sign, the carrying that the 2nd UE and the 3rd UE initiate is set up converging of carrying in 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 request whether converge sign identical, be if the same that the 2nd UE and the 3rd UE set up a multicast bearer path.
Step 504 ', the 3rd P-GW returns to response message to the 2nd UE and the 3rd UE and sets up connection between the 2nd UE and the 3rd P-GW and the connection between the 3rd UE and the 3rd P-GW, namely 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 ' process, the 2nd UE, the 3rd UE the also with three P-GW carry out header suppression to be consulted.
Step 505, a UE send to the 3rd P-GW with packet through after header suppression.All identical for all receiving terminals through the packet after header suppression.
After step 506, the 3rd P-GW receive the packet of a UE transmission, this packet is copied into two parts, and the header suppression of carrying out with a UE before data based after copying is consulted, packet is carried out head to decompress, carry out different heads for 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, to send to the packet of the 2nd UE and the 3rd UE to carry out header suppression, will be through the packet after 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.
In embodiment shown in Figure 7, first network side device and second network side device are equivalent to be integrated in the 3rd P-GW, and the 3rd P-GW has realized the function of first network side device and second network side device.
In Fig. 3 and embodiment shown in Figure 6, data sharing realizes between mobile terminal, and data sharing can also realize between fixed terminal (for example, the computer in the Internet) and mobile terminal.Be illustrated in figure 8 as the network that a kind of fixed network of relating in the embodiment of the present invention and mobile network are merged, in this network, transmitting terminal A is fixed terminal, receiving terminal B and receiving terminal C are mobile terminal, transmitting terminal A is linked into the Internet by Internet Server, and 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 embodiment of the method six of data sharing, comprise:
Step 602, transmitting terminal A set up request to the Internet Server initiation session, carry information and the distribution indication of receiving terminal B and receiving terminal C in this session establishment request, this information can be address information or the user ID of receiving terminal B and receiving terminal C.
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 request and is converged sign, the carrying that receiving terminal B and receiving terminal C initiate set up carry in 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 request whether converge sign identical, if the same set up a multicast bearer path for receiving terminal B and receiving terminal C.
Step 604 ', the 2nd S-GW returns to response message to receiving terminal B and receiving terminal C, sets up being connected between receiving terminal B and receiving terminal C and the 2nd S-GW, namely 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 ' process, receiving terminal B, receiving terminal C the also with two S-GW carry out header suppression to be consulted.
Step 605, transmitting terminal A with Packet Generation to Internet Server.
After step 606, Internet Server receive the packet of transmitting terminal A transmission, Internet Server is according to information and the distribution indication of the receiving terminal B that carries in session setup request in step 602 and 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, with two S-GW of Packet Generation to receiving terminal B and receiving terminal C ownership.
In embodiment shown in Figure 9, first network side device is Internet Server, and second network side device is the 2nd S-GW.
Be as shown in figure 10 the another kind of fixed network that relates in the embodiment of the present invention network with mobile network's fusion, in this network, transmitting terminal D is mobile terminal, receiving terminal E and receiving terminal F are fixed terminal, transmitting terminal D is connected with an eNB, the one eNB is connected with a P-GW by a S-GW, and receiving terminal E is connected the network for as shown in figure 10 with Internet Server with receiving terminal F, realize that the method for data sharing business can be as shown in figure 11.Realize as shown in figure 11 the Signalling exchange figure of the embodiment of the method seven of data sharing for the present invention, comprising:
Step 702, transmitting terminal D initiate carrying to a P-GW and set up request, this carrying is set up the information that carries receiving terminal E and receiving terminal F in 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, transmitting terminal D sends carrying to an eNB and sets up request, and an eNB will carry the request of foundation and send to a S-GW, a S-GW will carrys foundation to ask to send to a P-GW.
Step 703, a P-GW return to response message to transmitting terminal D, set up the connection between transmitting terminal and a P-GW, namely set up the carrying between transmitting terminal D and a P-GW.Particularly, a P-GW sends response message to a S-GW, and a S-GW sends response message to an eNB, and an eNB sends response message to transmitting terminal D.
In the process of carrying out step 702 and 703, carry out header suppression between transmitting terminal D the also and one P-GW and consult.
Step 702 ', receiving terminal E and receiving terminal F set up request to the Internet Server initiation session respectively, carries in the session establishment request and converge sign, carry in the session establishment request that receiving terminal E and receiving terminal F initiate to converge sign identical.
Step 703 ', Internet Server judge carry in the session establishment request that receiving terminal E and receiving terminal F initiate whether converge sign identical, if the same set up a multicast group for receiving terminal E and receiving terminal F.
Step 704 ', Internet Server returns to response message to receiving terminal E and receiving terminal F, set up being connected between Internet Server and receiving terminal E and receiving terminal F, carry the relevant information of multicast transmission in 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 foundation according to existing Internet protocol, prepare the receive data bag.
Step 705, transmitting terminal D send to a P-GW with data through after header suppression.All identical for all receiving terminals through the packet after header suppression.
After step 706, a P-GW receive packet, according to the information that obtains in step 702, the header suppression of carrying out with transmitting terminal D before the packet basis that obtains is consulted, packet is carried out head to decompress, packet after head is decompressed copies, and the destination address of packet is set to the address of receiving terminal E and receiving terminal F.The one P-GW is according to information and the distribution indication of the receiving terminal E that carries in session setup request in step 702 and receiving terminal F, and the Packet Generation after head is decompressed is to Internet Server.
Step 707, Internet Server receive data bag, 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, packet by the multicast group, is sent to receiving terminal E and receiving terminal F.
In embodiment shown in Figure 11, first network side device is a P-GW, and second network side device is Internet Server.
Be a kind of the Internet that relates in the embodiment of the present invention as shown in figure 12, in this network, transmitting terminal H, receiving terminal I and receiving terminal J are the fixed terminal in the internet.Transmitting terminal H, receiving terminal I and receiving terminal J all are connected with Internet Server.For network as shown in figure 12, realize that the method for data sharing business can be as shown in figure 13.Realize as shown in figure 13 the Signalling exchange figure of the embodiment of the method eight of data sharing for the present invention, comprising:
Step 802, the good foundation to the Internet Server initiation session of transmitting terminal are asked, carry the information of receiving terminal I and receiving terminal J in this session establishment request and distribute indication, 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, carries in the session establishment request and converge sign, carry in the session establishment request that receiving terminal I and receiving terminal J initiate to converge sign identical.
Step 803 ', Internet Server judge carry in the session establishment request that receiving terminal I and receiving terminal J initiate whether converge sign identical, if the same set up a multicast group for receiving terminal I and receiving terminal J.
Step 804 ', Internet Server returns to response message to receiving terminal I and receiving terminal J, set up being connected between Internet Server and receiving terminal I and receiving terminal J, carry the relevant information of multicast transmission in 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 foundation according to existing Internet protocol, prepare the receive data bag.
Step 805, transmitting terminal H with Packet Generation to Internet Server.
After step 806, Internet Server receive packet, according to the multicast group information of the multicast transmission of setting up with receiving terminal I and receiving terminal J before, adopt the mode of multicast, packet by the multicast group, is sent to receiving terminal I and receiving terminal J.
In embodiment shown in Figure 13, first network side device and second network side device are equivalent to be integrated in Internet Server, and Internet Server has been realized the function of first network side device and second network side device.
Be all to introduce take the quantity of receiving terminal as 2 in above-mentioned each embodiment of the present invention, in fact, the quantity of receiving terminal can be 1, can be also a plurality of, is not limited to 2.During greater than 2, the implementation procedure of implementation procedure and aforementioned 2 receiving terminals is similar when the quantity of receiving terminal.
As shown in figure 14 for the structural representation of first network side device embodiment of the present invention, this device comprises: module 51 and the first distribution module 52 are set up in the first connection, the first connection is set up module 51 and is connected distribution module 52 connections, wherein, the first connection is set up module 51 and is used for receiving the service request that transmitting terminal sends, set up being connected of transmitting terminal and this first network side device, carry the information of receiving terminal in the service request that transmitting terminal sends; The first distribution module 52 is used for receiving the packet that transmitting terminal sends, and connects the information of setting up the receiving terminal that module 51 receives according to first, with the second network side device of described Packet Generation to the receiving terminal ownership.
In one embodiment, the first distribution module 52 specifically can be used for receiving the packet that described transmitting terminal sends, the information of the receiving terminal that carries in the service request according to described transmitting terminal transmission and distribution indication, described packet is copied into N part, and each Packet Generation is given the second network side device of each receiving terminal ownership.Particularly, after packet is copied into N part, address in each piece of data bag can be replaced with the address of each receiving terminal, perhaps the sign in packet be replaced with the sign of each receiving terminal, then each Packet Generation be given the second network side device 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 transmitting terminal and consult; The first distribution module 52 specifically can be used for receiving the process header suppression packet afterwards that transmitting terminal sends, this packet is carried out head to decompress, the information of the receiving terminal that carries in the service request according to the transmitting terminal transmission and distribution indication, packet is copied into N part, and each Packet Generation is given the second network side device of each receiving terminal ownership.Particularly, after packet is copied into N part, address in each piece of data bag can be replaced with the address of each receiving terminal, perhaps the sign in packet be replaced with the sign of each receiving terminal, then each Packet Generation be given the second network side device of each receiving terminal ownership.
As shown in figure 15 for the structural representation of second network side device embodiment of the present invention, comprise that second connects and to set up module 61 and the second distribution module 62, the 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 for receiving the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side device; The second distribution module 62 is used for receiving the packet that first network side device sends, and connects by described second and sets up the connection that module 61 is set up, and gives described receiving terminal with described Packet Generation.
In one embodiment, module 61 is set up in the second connection specifically can be used for receiving the service request that receiving terminal sends, carry in service request and converge sign, set up being connected between receiving terminal and second network side device, set up the multicast group for carrying the identical receiving terminal that converges sign in service request; The second distribution module 62 specifically can be used for receiving the packet that first network side device sends, and packet is connected by described second the multicast group of setting up module 61 foundation send to each receiving terminal.
In one embodiment, module 61 is set up in the second connection specifically can be used for receiving the service request that receiving terminal sends, carry in described service request and converge sign, set up being connected between described receiving terminal and second network side device, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in service request; The second distribution module 62 specifically can be used for receiving the packet that first network side device sends, and packet is carried out header suppression, packet is connected by described second the multicast bearer path of setting up module 61 foundation send to each receiving terminal.
Realize as shown in figure 16 the structural representation of the system embodiment of data sharing for the present invention, comprise as shown in figure 14 first network side device 5 and second network side device 6 as shown in figure 15, second in the first distribution module 52 in first network side device 5 and second network side device 6 is connected to be set up module 61 and connects.
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 be limited, although with reference to preferred embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still can be modified 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 (8)
1. a method that realizes data sharing, is characterized in that, comprising:
First network side device receives the service request that transmitting terminal sends, and sets up being connected of described transmitting terminal and described first network side device, carries the information of receiving terminal in the service request of described transmitting terminal transmission;
First network side device receives the packet that described transmitting terminal sends, and according to the information of described receiving terminal, described Packet Generation is given the second network side device of described receiving terminal ownership;
Greater than 1 the time, also carry the distribution indication as the quantity N of described receiving terminal in the service request that described transmitting terminal sends, described distribution indication is used for notifying described first network side device the packet of receiving to be copied and sends to different receiving terminals;
Described first network side device receives the packet that described transmitting terminal sends, and according to the information of described receiving terminal, comprises to the second network side device of described receiving terminal ownership described Packet Generation:
Described first network side device receives the packet that described transmitting terminal sends, the information of the receiving terminal that carries in the service request according to described transmitting terminal transmission and distribution indication, described packet is copied into N part, each Packet Generation is given the second network side device of each receiving terminal ownership.
2. method according to claim 1, it is characterized in that, described first network side device receives the service request that transmitting terminal sends, and sets up in the process that is connected of described transmitting terminal and described first network side device, also carries out the header suppression negotiation with described transmitting terminal;
Described first network side device receives the packet that described transmitting terminal sends, the information of the receiving terminal that carries in the service request according to described transmitting terminal transmission and distribution indication, described packet is copied into N part, and specifically comprises to the second network side device of each receiving terminal ownership each Packet Generation:
Described first network side device receives the process header suppression packet afterwards that described transmitting 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 transmitting terminal transmission and distribution indication, described packet is copied into N part, and each Packet Generation is given the second network side device of each receiving terminal ownership.
3. a method that realizes data sharing, is characterized in that, comprising:
Second network side device receives the service request that receiving terminal sends, and sets up being connected between described receiving terminal and described second network side device;
Described second network side device receives the packet that first network side device sends, and by described connection, gives described receiving terminal with described Packet Generation;
As the quantity N of described receiving terminal greater than 1 the time, described second network side device receives the service request that receiving terminal sends, set up and comprise being connected specifically between described receiving terminal and described second network side device: described second network side device receives the service request that receiving terminal sends, carry in described service request and converge sign, set up being connected between described receiving terminal and described second network side device, and set up the multicast group for carrying the identical receiving terminal that converges sign in described service request;
Described second network side device receives the packet that first network side device sends, by described connection, specifically comprise to described receiving terminal described Packet Generation: described second network side device receives the packet that first network side device sends, and described packet is sent to each receiving terminal by described multicast group; Perhaps,
As the quantity N of described receiving terminal greater than 1 the time, described second network side device receives the service request that receiving terminal sends, set up and comprise being connected specifically between described receiving terminal and described second network side device: described second network side device receives the service request that receiving terminal sends, carry in described service request and converge sign, set up being connected between described receiving terminal and described second network side device, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in described service request;
Described second network side device receives the packet that first network side device sends, by described connection, specifically comprise to described receiving terminal described Packet Generation: described second network side device receives the packet that first network side device sends, described packet is carried out header suppression, will send to each receiving terminal by described multicast bearer path through the packet after header suppression.
4. a first network side device, is characterized in that, comprising:
First connects and to set up module, is used for receiving the service request that transmitting terminal sends, and sets up being connected of described transmitting terminal and described first network side device, carries the information of receiving terminal in the service request of described transmitting terminal transmission;
The first distribution module is used for receiving the packet that described transmitting terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described Packet Generation is given the second network side device of described receiving terminal ownership;
Described the first distribution module specifically is used for receiving the packet that described transmitting terminal sends, the information of the receiving terminal that carries in the service request according to described transmitting terminal transmission and distribution indication, described packet is copied into N part, and each Packet Generation is given the second network side device of each receiving terminal ownership.
5. device according to claim 4, is characterized in that, described the first connection is set up module and also is used for carrying out the header suppression negotiation with described transmitting terminal;
Described the first distribution module specifically is used for receiving the process header suppression packet afterwards that described transmitting 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 transmitting terminal transmission and distribution indication, described packet is copied into N part, and each Packet Generation is given the second network side device of each receiving terminal ownership.
6. a second network side device, is characterized in that, comprising:
Second connects and to set up module, is used for receiving the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side device;
The second distribution module is used for receiving the packet that first network side device sends, and connects by described second and sets up the connection that module is set up, and gives described receiving terminal with described Packet Generation;
Described the second connection is set up module and specifically is used for receiving the service request that receiving terminal sends, carry in described service request and converge sign, set up being connected between described receiving terminal and described second network side device, set up the multicast group for carrying the identical receiving terminal that converges sign in described service request;
Described the second distribution module specifically is used for receiving the packet that first network side device sends, and described packet is connected by described second the multicast group of setting up module foundation send to each receiving terminal; Perhaps,
Described the second connection is set up module and specifically is used for receiving the service request that receiving terminal sends, carry in described service request and converge sign, set up being connected between described receiving terminal and described second network side device, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in described service request;
Described the second distribution module specifically is used for receiving the packet that first network side device sends, and described packet is carried out header suppression, described packet is connected by described second the multicast bearer path of setting up module foundation send to each receiving terminal.
7. a system that realizes data sharing, is characterized in that, comprises first network side device and second network side device;
Described first network side device comprises:
First connects and to set up module, is used for receiving the service request that transmitting terminal sends, and sets up being connected of described transmitting terminal and described first network side device, carries the information of receiving terminal in the service request of described transmitting terminal transmission;
The first distribution module is used for receiving the packet that described transmitting terminal sends, and connects the information of setting up the receiving terminal that module receives according to described first, described Packet Generation is given the second network side device of described receiving terminal ownership;
Described the first distribution module specifically is used for receiving the packet that described transmitting terminal sends, the information of the receiving terminal that carries in the service request according to described transmitting terminal transmission and distribution indication, described packet is copied into N part, and each Packet Generation is given the second network side device of each receiving terminal ownership;
Described second network side device comprises:
Second connects and to set up module, is used for receiving the service request that receiving terminal sends, for setting up being connected between described receiving terminal and described second network side device;
The second distribution module is used for receiving the packet that described first network side device sends, and connects by described second and sets up the connection that module is set up, and gives described receiving terminal with described Packet Generation;
Described the second connection is set up module and specifically is used for receiving the service request that receiving terminal sends, carry in described service request and converge sign, set up being connected between described receiving terminal and described second network side device, set up the multicast group for carrying the identical receiving terminal that converges sign in described service request;
Described the second distribution module specifically is used for receiving the packet that first network side device sends, and described packet is connected by described second the multicast group of setting up module foundation send to each receiving terminal; Perhaps,
Described the second connection is set up module and specifically is used for receiving the service request that receiving terminal sends, carry in described service request and converge sign, set up being connected between described receiving terminal and described second network side device, set up the multicast bearer path for carrying the identical receiving terminal that converges sign in described service request;
Described the second distribution module specifically is used for receiving the packet that first network side device sends, and described packet is carried out header suppression, described packet is connected by described second the multicast bearer path of setting up module foundation send to each receiving terminal.
8. system according to claim 7, is characterized in that, described first network side device is access network device or Internet Server, and described second network side device 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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| CN103503551B (en) * | 2012-03-26 | 2017-02-01 | 华为技术有限公司 | Data transmitting method, device and system |
| CN104348875A (en) * | 2013-08-06 | 2015-02-11 | 中国电信股份有限公司 | Method, cloud server and system for performing pocket transmission of data |
| CN103687067A (en) * | 2013-12-27 | 2014-03-26 | 北京赢销通软件技术有限公司 | Method for discovering and realizing real-time communication of device based on wireless network |
| CN104822083B (en) * | 2015-03-23 | 2018-12-11 | 小米科技有限责任公司 | Control method, file sharing method and the device of file-sharing |
| CN104978399A (en) * | 2015-06-03 | 2015-10-14 | 无锡天脉聚源传媒科技有限公司 | Material sharing method and apparatus |
| CN115278654A (en) * | 2021-04-30 | 2022-11-01 | 维沃移动通信有限公司 | RRC connection maintenance method, related equipment and readable storage medium |
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| CN1588925A (en) * | 2004-08-13 | 2005-03-02 | 大唐软件技术有限责任公司 | System and method for realizing transmitting and receiving e-mail on mobile terminal using MMS |
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