CN102201991B - Data transmission method based on integral end-to-end multi-path transmission - Google Patents
Data transmission method based on integral end-to-end multi-path transmission Download PDFInfo
- Publication number
- CN102201991B CN102201991B CN201110134961.8A CN201110134961A CN102201991B CN 102201991 B CN102201991 B CN 102201991B CN 201110134961 A CN201110134961 A CN 201110134961A CN 102201991 B CN102201991 B CN 102201991B
- Authority
- CN
- China
- Prior art keywords
- address
- path
- data transmission
- destination
- route
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a data transmission method and system based on integral end-to-end multi-path transmission. The method is applied to data transmission between a pair of communication hosts comprising a multi-homed host, and comprises the following steps of: acquiring an available address list of an opposite end by using the communication hosts; selecting a destination address and a source address from the available address list and determining an end-to-end transmission path; and performing data transmission on data packets according to the end-to-end transmission path. By adopting the method and the system, as many as possible of end-to-end paths can be established by making full use of the multi-homing property of the multi-homed host, the end-to-end paths can be maintained by using the multi-homed host under the participation of a small number of people, and the data packets are transmitted at an interface which is correspondingly provided with a set source address according to the source address.
Description
Technical field
The present invention relates to network communications technology field, relate in particular to a kind of data transmission method based on integrated end-to-end multi-path transmission.
Background technology
Along with the development of network technology, on the one hand constantly variation of network access technique, comprises wide area network, local area network (LAN), individual territory net, wired and wireless access technology is all constantly ripe and progressively commercial, xDSL for example, xPON, 3G, WLAN, WiMAX, Bluetooth etc.; On the other hand, the cost of access device constantly reduces, and increasing terminal starts to configure a plurality of network adapter, and for example mobile terminal laptop is furnished with LAN interface and WLAN interface conventionally, also can support 3G wireless access; Current most of PDA supports WLAN and 3G access; Some fixed terminals are also supported LAN and ADSL access simultaneously.
The evolution of next generation network structure, makes terminal can configure a plurality of network layer access addresses.The preliminary deployment of IPv6 makes network layer address greatly abundant, and terminal can configure a plurality of IPv6 address or while configuration of IP v6 address and IPv4 address, to access different sub-network; And the development of network virtualization can make the virtual network consisting of different types of network layer address, different routing mechanisms be deployed in identical infrastructure, terminal can be selected IP or other virtual network layer address simultaneously, plane mark for example, access network.
Yet existing network protocol stack but cannot be used main frame to have the advantage of a plurality of network interfaces and address completely.Traditional host-host protocol is TCP for example, UDP can only be used an end-to-end path to carry out transfer of data, although SCTP can be used a plurality of addresses of main frame completely, only effectively use an address to the end-to-end path forming, and through other addresses as redundancy backup.In order to develop the advantage of the many places of main frame, increasing transmission starts to adopt end-to-end multithreading.Yet how between multi-homed host, to set up end-to-end path, select any two addresses in the problems such as end-to-end path, still to have defect to setting up.
Aspect data route, although the not responsible routing forwarding of main frame, it also has simple routing table to be used for routing.Conventionally the destination address that sends packet is specified by upper layer application, and source address determines according to the route entry in routing table.Main frame is searched for available route according to the destination address using in routing table, according to the principle of long coupling, if there is respective entries, by the address setting of the down hop outlet of corresponding entry, is source address.Under worst condition, also have a default route and exist, so the source address of packet can be configured to connect the interface IP address of default gateway.
Although what multi-homed host had can set a plurality of default gateways, what have can only set one, only has a default route in main frame routing table.Even the address that the source address of setting packet to be sent by other mechanism is non-default interface, it still can be routed to default gateway, causes the coincidence of end-to-end path, easily produces single point failure.
Summary of the invention
The object of the present invention is to provide a kind of data transmission method and system based on integrated end-to-end multi-path transmission, make multi-homed host can reasonably set up and manage end-to-end path, make multi-homed host carry out route by a plurality of default gateways simultaneously.
On the one hand, the invention discloses a kind of data transmission method based on integrated end-to-end multi-path transmission, described method, for the transfer of data between multi-homed host, comprises the steps: address list obtaining step, and described communication host obtains the available address list of opposite end; Transmission path establishment step, from described available address list, select your destination location and source address, determine transmission path end to end; Data transmission step, according to described transmission path end to end, carries out transfer of data by packet.
In above-mentioned data transmission method, described available address list is obtained in the following way: in described a pair of communication host, the mode of inquiring about by DNS or manually inputting as the first main frame that connects initiator, according to the priority of address, obtain ，Jiang Gai address, an address as the second main frame of opposite end as the first destination address; According to described the first destination address, inquire about the routing table of described the first main frame, according to the priority of the longest match principle of route and Routing Protocol, if can return to available route, the address that down hop of this available route is exported to corresponding same type is made as the first source address; In the route of described the first source address and described the first destination address foundation, transport layer parameters negotiation is carried out in exchange available address list each other simultaneously.
In above-mentioned data transmission method, in described transmission path establishment step, described destination address is selected in the following way: as the first main frame that connects initiator, each address in the available address list of the second main frame as opposite end is analyzed according to following mode, determine destination address: whether A1, this address are used, if not, preferentially select; B1, this address are selected according to the priority of address style, and priority is high, preferentially select; Whether C1, this address are multicast address or broadcast address, if so, do not select; Whether D1, this address are privately owned local addresss, if so, do not select; Whether E1, this address are global unicast address, if so, preferentially select; F1, steps A 1-E1 is carried out to iteration, if an address is chosen as the destination address of making a paths, object number of references adds 1, until all available destination addresses are used.
In above-mentioned data transmission method, in described transmission path establishment step, described source address is chosen as: as the first main frame that connects initiator, each address in the list of local terminal available address is analyzed according to following mode, determine whether the second source address: A2, this address are used, if not, preferentially use; Whether B2, this address are same types with selected destination address, if not, do not select; Whether C2, this address have more approaching prefix length with destination address, if so, preferentially select; Whether D2, this address are broadcast address or multicast address, if so, do not select; Whether E2, this address are global unicast address, if so, preferentially select; Whether F2, this address are local private address, if so, see that whether its destination address is global unicast address, if so, can select; G2, steps A 2-F2 is carried out to iteration, if an address is used the source address as a paths, source number of references adds 1, until all useful sources address is used.
In above-mentioned data transmission method, in data transmission step, if the address of one of them communication host is moved, by amended address notification original route opposite end, make respective path be revised as the destination address after mobile change.
In above-mentioned data transmission method, in data transmission step, if the address of one of them communication host ends to use, notice address, opposite end and delete, make respective path delete the destination address using, reduce the use number of corresponding source address simultaneously, if reduce to 0, re-establish path.
In above-mentioned data transmission method, in described data transmission step, also be provided with pre-routing inquiry step, whether this step inquiry has the route corresponding with described source address, if have, according to the down hop of described source address route appointment and down hop outlet, send packet, if do not have, according to the described down hop of selection of transmission paths end to end outlet, carry out transfer of data.
On the other hand, the invention also discloses a kind of data transmission system based on integrated end-to-end multi-path transmission, described system is for the transfer of data between multi-homed host, comprises that address list acquisition module, transmission path set up module and data transmission module.Wherein, address list acquisition module obtains the available address list of opposite end for described communication host; Transmission path is set up module for the described available address list of foundation, and the location that selects your destination is selected and source address, determines transmission path end to end; Data transmission module, for by the described transmission path end to end of packet foundation, carries out transfer of data.
In terms of existing technologies, the present invention can make full use of many places characteristic of multi-homed host and set up end-to-end path as much as possible, make multi-homed host in few artificial presence of trying one's best, maintain end-to-end path, and by packet according to the source address of its setting in corresponding configuration the interface of this source address send; In addition, the present invention can also be provided with pre-route, can be according to default route, for packet is specified down hop outlet.
Accompanying drawing explanation
Fig. 1 is the flow chart of steps that the present invention is based on the data transmission method embodiment of integrated end-to-end multi-path transmission;
Fig. 2 is the flow chart of steps that the present invention is based on another embodiment of data transmission method of integrated end-to-end multi-path transmission;
Fig. 3 is end-to-end multipath schematic block diagram;
Fig. 4 is the selection flow chart of destination address while setting up end-to-end path;
Fig. 5 is the selection flow chart of source address while setting up end-to-end path;
Fig. 6 is the route transmission flow of data in end-to-end multipath situation;
Fig. 7 is the structured flowchart that the present invention is based on the data transmission system embodiment of integrated end-to-end multi-path transmission.
Embodiment
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
With reference to Fig. 1, Fig. 1 is the flow chart of steps of a kind of data transmission method embodiment based on integrated end-to-end multi-path transmission of the present invention, the method is for the transfer of data between a pair of communication host that comprises multi-homed host, specifically comprise the steps: address list obtaining step S110, communication host obtains the available address list of opposite end; Transmission path establishment step S120, from available address list, select your destination location and source address, determine transmission path end to end; Data transmission step S130, according to transmission path end to end, carries out transfer of data by packet.
In the present embodiment, multi-homed host comprises that at least one has configured the physical network interface of a plurality of network addresss, or at least two physical network interfaces that configure heterogeneous networks address, or at least two physical network interface and virtual interfaces that configure heterogeneous networks address.Each interface of multi-homed host is associated with a default gateway.
Transmission path comprises the virtual data transmission channel that sends main frame (data sending terminal) and form with respect to the opposite end (data receiver) of this main frame end to end, and the transmission technology of bottom adopts the reliable or non-robust techniques based on exchange or route.Wherein, data sending terminal comprises physics or logical network interface and the network address associated with it that data send; Data receiver also comprises physics or the logical network interface of data receiver, and the network address associated with it.It should be noted that, the end-to-end multipath in the present invention can occur between one-to-many host, also can occur between multi-homed host and single host.Its path is set up mode and is only related to normal clean culture connection foundation, does not comprise multicast and broadcast, appoints and broadcasts.
The present embodiment can make full use of many places characteristic of multi-homed host and set up end-to-end path as much as possible, make multi-homed host in few artificial presence of trying one's best, maintain end-to-end path, and by packet according to the source address of its setting in corresponding configuration the interface of this source address send.
In one embodiment, the mode that a, step b and step c limit as follows of the address list in address list obtaining step S110 is obtained:
Step a, in described a pair of communication host, as the first main frame that connects initiator, by DNS, inquire about or the manual mode of input, according to the priority of address, obtain ，Jiang Gai address, an address as the second main frame of opposite end as the first destination address.
Step b, according to described the first destination address, inquire about the routing table of described the first main frame, according to the priority of the longest match principle of route and Routing Protocol, if can return to available route, the address that down hop of this available route is exported to corresponding same type is made as the first source address.
In step c, the route set up at described the first source address and described the first destination address, transport layer parameters negotiation is carried out in exchange available address list each other simultaneously.
In another embodiment, the destination address in transmission path establishment step S120 can obtain in the following way:
As the first main frame that connects initiator, each address in the available address list of the second main frame as opposite end is analyzed according to following mode, determine destination address:
Whether this address of A1 is used, and if not, preferentially selects;
B1 selects according to the priority of address style this address, and priority is high, preferentially selects;
Whether this address of C1 is multicast address or broadcast address, if so, does not select;
Whether this address of D1 is privately owned local address, if so, does not select;
Whether this address of E1 is global unicast address, if so, preferentially selects;
F1 carries out iteration to steps A 1-E1, if an address is chosen as the destination address of making a paths, object number of references adds 1, until all available destination addresses are used.
In another embodiment, the source address in transmission path establishment step S120 can be obtained in the following way:
As the first main frame that connects initiator, each address in the list of local terminal available address is analyzed according to following mode, determine source address:
Whether this address of A2 is used, and if not, preferentially uses;
Whether this address of B2 is same type with selected destination address, if not, do not select;
Whether this address of C2 has more approaching prefix length with destination address, if so, preferentially selects;
Whether this address of D2 is broadcast address or multicast address, if so, does not select;
Whether this address of E2 is global unicast address, if so, preferentially selects;
Whether this address of F2 is local private address, if so, sees that whether its destination address is global unicast address, if so, can select;
G2 carries out iteration to steps A 2-F2, if an address is used the source address as a paths, source number of references adds 1, until all useful sources address is used.
In addition,, in data transmission step S130, if the address of one of them communication host is moved, by amended address notification original route opposite end, make respective path be revised as the destination address after mobile change.And, if the address of one of them communication host ends to use, notice address, opposite end and delete, make respective path delete the destination address using, reduce the use number of corresponding source address simultaneously, if reduce to 0, re-establish path.
With reference to Fig. 2, Fig. 2 is the flow chart of steps that the present invention is based on another embodiment of data transmission method of integrated end-to-end multi-path transmission, comprises the steps: address list obtaining step S210, and communication host obtains the available address list of opposite end; Transmission path establishment step S220, from available address list, select your destination location and source address, determine transmission path end to end; Data transmission step S230, whether inquiry has the route corresponding with source data packet address, if having, according to the down hop of source address route appointment and down hop outlet, sends packet, if do not have, according to selection of transmission paths down hop outlet end to end.In the specific implementation, each source address is added a corresponding source routing, and the packet with particular source is sent from disposing the interface of this address.Also can add as required other pre-route entrys.
This embodiment makes packet carry out route according to the path of setting up.The interface that all data send in this embodiment is all consistent to deserved interface with the source address of its transmission path.It should be noted that existing network route system inquires about based on destination address.Although some main frame can be default gateway of each address configuration, in arbitrary moment, the default route working in routing table only has one.
The present invention comprises a pre-routing module, adds to before routing inquiry step.Packet, before carrying out route, is introduced into pre-routing module inquiry.If inquiry has with this source data packet address to deserved route, according to the down hop of source address route appointment and down hop outlet transmission packet.
In addition, above-described embodiment is in implementation process, and the foundation of end-to-end multipath is divided into two stages: address list obtains stage and transmission path establishment stage.In these two stages, source and destination adopts identical address structure, IPv6-IPv6 for example, IPv4-IPv4, ID-ID.Can set priority for different address structures and using clear and definite preferentially employing as the type of source and destination address, path.In the present invention, setting IPv6-IPv6 priority is that 1, IPv4-IPv4 priority is that 2, ID-ID priority is 3, and its medium priority label is less more preferentially to be adopted.
Example
With reference to Fig. 3 to Fig. 6.Fig. 3 is end-to-end multipath schematic block diagram, and Fig. 4 is the selection flow chart of destination address while setting up end-to-end path; Fig. 5 is the route transmission flow of data in end-to-end multipath situation, and Fig. 6 is the selection flow chart of source address while setting up end-to-end path.
In Fig. 3, listed the schematic diagram of setting up end-to-end multipath between two multi-homed hosts.Wherein, multi-homed host A has 3 interfaces, and we are called A1, A2, and A3, multi-homed host B has two interfaces, and we are called B1, B2.We are A1 in the present embodiment, A2, and B1 has configured IPv4 address, and A3 and B1 have configured IPv6 address.Its corresponding network address is respectively A1192.168.3.2, A2202.112.146.71, A32002::345:3, B159.64.3.2, B21003::E34:45:2.In the present embodiment, the default gateway of multi-homed host A is default gateway A1, and the default gateway of multi-homed host B is default gateway B1.
In the present embodiment, multi-homed host A connects initiator.Initial access phase path process of establishing is as follows: multi-homed host A manually inputs from dns resolution or application layer an address B1 who obtains multi-homed host B, multi-homed host A selects flow process according to Fig. 5 source address, traversal A1, A2, the address of A3, because A2 is global unicast address, therefore preferential selection, set up the end-to-end path of an A2-B1, afterwards, multi-homed host A and multi-homed host B exchange address list each other on the path of this foundation.Multi-homed host A obtains address { B1, the subset of B2}, subset { A1, A2, the A3} of the address of multi-homed host B acquisition multi-homed host A of multi-homed host B.All addresses in the present embodiment, have been exchanged.
Communicating pair obtains address list each other, start the path process of establishing in transmitting procedure: the list of host A traversal destination address, according to Fig. 4 destination address, select flow process, B1 is used, jump out traversal again, B2 is not used, and is not broadcast, multicast, appoint and broadcast address, not being private address, is global unicast address, and B2 is chosen as destination address.Next select mutually deserved source address.Ergodic source address list, according to Fig. 5, A1 is not used, but A1 and B2 are not addresses of the same type, jump out traversal again; A2 is used, and jumps out traversal again; A3 is not used, and with B2 same type, non-broadcast, multicast, appoints and broadcasts address, and non-private address, is global unicast address, and A3 elects mutually deserved source address as, sets up the end-to-end path of A3-B2.
Now destination address is all used, but source address is not used by A1 in addition.Traversal destination address, B1 is used, selects B1 as destination address.Ergodic source address, A1 is not used, with B1 be same type, be not broadcast, multicast, appoints and to broadcast address, be private address, but selected destination address B1 is global unicast address, therefore, sets up the end-to-end path of A1-B1.
Now, all source and destinations address in multi-homed host A is all used, and path process of establishing stops.Multi-homed host B sets up end-to-end path according to identical flow process.In the present invention, all paths of not emphasizing multi-homed host A and multi-homed host B are all symmetrical.
Data routing operations is carried out after setting up in path.According to Fig. 6, the data route in multi-homed host A is as follows, with the data instance on A1-B1 path: the source data packet address on A1-B1 path is made as A1, and destination address is made as B1; Before data send, first carry out pre-route, search whether to have and take the route entry that A1 is source address.In this example, same pre-set distinct interface is to deserved default gateway and source routing entry.A1 inquires corresponding source address 192.168.3.2, and next discharge coupling 1 accordingly, and packet sends to default gateway 1 from interface 1, thereby enters network.A2-B1, the data transmission flow on A3-B2 path similarly.
On the other hand, the invention also discloses a kind of data transmission system embodiment of integrated end-to-end multi-path transmission, this system is for the transfer of data between a pair of communication host that comprises at least one multi-homed host, with reference to Fig. 7, comprising: address list acquisition module 72, transmission path are set up module 74 and data transmission module 76.Wherein, address list acquisition module 72 obtains the available address list of opposite end for described communication host; Transmission path is set up module 74 for the described available address list of foundation, and select your destination location and source address, determine transmission path end to end; Data transmission module 76, for by the described transmission path end to end of packet foundation, carries out transfer of data.
In the present embodiment, multi-homed host comprises that at least one has configured the physical network interface of a plurality of network addresss, or at least two physical network interfaces that configure heterogeneous networks address, or at least two physical network interface and virtual interfaces that configure heterogeneous networks address.Each interface of multi-homed host is associated with a default gateway.
Transmission path comprises the virtual data transmission channel that sends main frame (data sending terminal) and form with respect to the opposite end (data receiver) of this main frame end to end, and the transmission technology of bottom adopts the reliable or non-robust techniques based on exchange or route.Wherein, data sending terminal comprises physics or logical network interface and the network address associated with it that data send; Data receiver also comprises physics or the logical network interface of data receiver, and the network address associated with it.It should be noted that, the end-to-end multipath in the present invention can occur between one-to-many host, also can occur between multi-homed host and single host.Its path is set up mode and is only related to normal clean culture connection foundation, does not comprise multicast and broadcast, appoints and broadcasts.
The present embodiment can make full use of many places characteristic of multi-homed host and set up end-to-end path as much as possible, make multi-homed host in few artificial presence of trying one's best, maintain end-to-end path, and by packet according to the source address of its setting in corresponding configuration the interface of this source address send.
In one embodiment, in address list acquisition module 72, can comprise as lower unit: the first destination address acquiring unit, the first source address acquiring unit and address list crosspoint.Wherein,
The first destination address acquiring unit is used at described a pair of communication host, the mode of inquiring about by DNS or manually inputting as the first main frame that connects initiator, according to the priority of address, obtain ，Jiang Gai address, an address as the second main frame of opposite end as the first destination address.The first source address acquiring unit is used for according to described the first destination address, inquire about the routing table of described the first main frame, according to the priority of the longest match principle of route and Routing Protocol, if can return to available route, the address that down hop of this available route is exported to corresponding same type is made as the first source address.Address list crosspoint is for the route in described the first source address and described the first destination address foundation, and transport layer parameters negotiation is carried out in exchange available address list each other simultaneously.
In another embodiment, the destination address that transmission path is set up in module 74 can obtain in the following way:
As the first main frame that connects initiator, each address in the available address list of the second main frame as opposite end is analyzed according to following mode, determine destination address:
Whether this address of A1 is used, and if not, preferentially selects;
B1 selects according to the priority of address style this address, and priority is high, preferentially selects;
Whether this address of C1 is multicast address or broadcast address, if so, does not select;
Whether this address of D1 is privately owned local address, if so, does not select;
Whether this address of E1 is global unicast address, if so, preferentially selects;
F1 carries out iteration to steps A 1-E1, if an address is chosen as the destination address of making a paths, object number of references adds 1, until all available destination addresses are used.
In another embodiment, the source address that transmission path is set up in module 74 can be obtained in the following way:
As the first main frame that connects initiator, each address in the list of local terminal available address is analyzed according to following mode, determine source address:
Whether this address of A2 is used, and if not, preferentially uses;
Whether this address of B2 is same type with selected destination address, if not, do not select;
Whether this address of C2 has more approaching prefix length with destination address, if so, preferentially selects;
Whether this address of D2 is broadcast address or multicast address, if so, does not select;
Whether this address of E2 is global unicast address, if so, preferentially selects;
Whether this address of F2 is local private address, if so, sees that whether its destination address is global unicast address, if so, can select;
G2 carries out iteration to steps A 2-F2, if an address is used the source address as a paths, source number of references adds 1, until all useful sources address is used.
In addition,, in transport module 76, if the address of one of them communication host is moved, by amended address notification original route opposite end, make respective path be revised as the destination address after mobile change.And, if the address of one of them communication host ends to use, notice address, opposite end and delete, make respective path delete the destination address using, reduce the use number of corresponding source address simultaneously, if reduce to 0, re-establish path.
Above a kind of data transmission method and system based on integrated end-to-end multi-path transmission provided by the present invention described in detail, applied specific embodiment herein principle of the present invention and execution mode are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications.In sum, this description should not be construed as limitation of the present invention.
Claims (6)
1. the data transmission method based on integrated end-to-end multi-path transmission, is characterized in that, described method is for the transfer of data between multi-homed host, and described method comprises the steps:
1) obtain the step of setting up transmission path after address list
From available address list, select your destination location and source address, determine transmission path end to end; In described transmission path establishment step, described destination address is selected in the following way:
As the first main frame that connects initiator, each address in the available address list of the second main frame as opposite end is analyzed according to following mode, determine destination address:
Whether this address of A1 is used, and if not, preferentially selects;
B1 selects according to the priority of address style this address, and priority is high, preferentially selects;
Whether this address of C1 is multicast address or broadcast address, if so, does not select;
Whether this address of D1 is privately owned local address, if so, does not select;
Whether this address of E1 is global unicast address, if so, preferentially selects;
F1 carries out iteration to steps A 1-E1, if an address is chosen as the destination address of making a paths, object number of references adds 1, until all available destination addresses are used;
2) data transmission step
Packet, according to described transmission path end to end, is carried out to transfer of data.
2. data transmission method according to claim 1, is characterized in that, described available address list is obtained in the following way:
In a pair of communication host, as the first main frame that connects initiator, according to the priority of address, obtain ，Jiang Gai address, an address as the second main frame of opposite end as the first destination address;
According to described the first destination address, inquire about the routing table of described the first main frame, according to the priority of the longest match principle of route and Routing Protocol, if can return to available route, the address that down hop of this available route is exported to corresponding same type is made as the first source address;
In the route of described the first source address and described the first destination address foundation, transport layer parameters negotiation is carried out in exchange available address list each other simultaneously.
3. data transmission method according to claim 1 and 2, is characterized in that, in described transmission path establishment step, described source address is chosen as:
As the first main frame that connects initiator, each address in the list of local terminal available address is analyzed according to following mode, determine the second source address:
Whether this address of A2 is used, and if not, preferentially uses;
Whether this address of B2 is same type with selected destination address, if not, do not select;
Whether this address of C2 has more approaching prefix length with destination address, if so, preferentially selects;
Whether this address of D2 is broadcast address or multicast address, if so, does not select;
Whether this address of E2 is global unicast address, if so, preferentially selects;
Whether this address of F2 is local private address, if so, sees that whether its destination address is global unicast address, if so, can select;
G2 carries out iteration to steps A 2-F2, if an address is used the source address as a paths, source number of references adds 1, until all useful sources address is used.
4. data transmission method according to claim 3, is characterized in that,
In data transmission step, if the address of one of them communication host is moved, by amended address notification original route opposite end, make respective path be revised as the destination address after mobile change.
5. data transmission method according to claim 3, is characterized in that,
In data transmission step, if the address of one of them communication host ends to use, notice address, opposite end and delete, make respective path delete the destination address using, reduce the use number of corresponding source address simultaneously, if reduce to 0, re-establish path.
6. data transmission method according to claim 3, is characterized in that,
In described data transmission step, also be provided with pre-routing inquiry step, whether this step inquiry has the route corresponding with described source address, if have, according to the down hop of described source address route appointment and down hop outlet, send packet, if no, carry out transfer of data according to the described down hop of selection of transmission paths end to end outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134961.8A CN102201991B (en) | 2011-05-23 | 2011-05-23 | Data transmission method based on integral end-to-end multi-path transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110134961.8A CN102201991B (en) | 2011-05-23 | 2011-05-23 | Data transmission method based on integral end-to-end multi-path transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102201991A CN102201991A (en) | 2011-09-28 |
| CN102201991B true CN102201991B (en) | 2014-01-29 |
Family
ID=44662392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110134961.8A Expired - Fee Related CN102201991B (en) | 2011-05-23 | 2011-05-23 | Data transmission method based on integral end-to-end multi-path transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102201991B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103095580B (en) * | 2011-10-27 | 2018-01-26 | 中兴通讯股份有限公司 | A kind of location information inquiry method, strategic server, location server and system |
| EP3244581B1 (en) * | 2016-05-09 | 2020-03-04 | Alcatel Lucent | Multi-path wireless communication |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047633A (en) * | 2006-05-17 | 2007-10-03 | 华为技术有限公司 | Method, device and system for implementing multi-route transmission |
| CN101841463A (en) * | 2010-03-05 | 2010-09-22 | 清华大学 | Multipath cocurrent transmission method based on SCTP (Stream Control Transmission Protocol) |
-
2011
- 2011-05-23 CN CN201110134961.8A patent/CN102201991B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101047633A (en) * | 2006-05-17 | 2007-10-03 | 华为技术有限公司 | Method, device and system for implementing multi-route transmission |
| CN101841463A (en) * | 2010-03-05 | 2010-09-22 | 清华大学 | Multipath cocurrent transmission method based on SCTP (Stream Control Transmission Protocol) |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102201991A (en) | 2011-09-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11664886B2 (en) | Routing method and apparatus for SDN based LEO satellite network | |
| US7586894B2 (en) | Communication system capable of selecting optimum gateway for terminals | |
| US7894378B2 (en) | Method for updating a multicast state of a multicast group | |
| CN107968750B (en) | Message transmission method, device and node | |
| WO2015131560A1 (en) | Segment routing identifier allocation method and segment routing node | |
| US20080137556A1 (en) | Mesh networking auto configuration method, virtual link setting method, packet transmission method in multi-hop wireless lan, and terminal thereof | |
| US10863581B2 (en) | Method and system for communicating between private mesh network and public network | |
| WO2010139115A1 (en) | Method and device for multiple rendezvous points processing multicast services of mobile multicast source jointly | |
| CN106576049B (en) | It is configured as the network equipment of tracking multicast receiver | |
| CN101013948B (en) | Forming equal cost multipath multicast distribution structures | |
| JP2004266616A (en) | Packet communication system, communication network, and ip address selecting method in mobile node | |
| CN103023773A (en) | Method, device and system for forwarding message in multi-topology network | |
| CN109474970A (en) | A kind of method for routing suitable for cordless communication network | |
| WO2016161836A1 (en) | Data transmission method, control plane device and forwarding plane device | |
| CN102780701B (en) | Access control method and equipment | |
| JP4844159B2 (en) | Wireless device, network, and communication method | |
| CN102201991B (en) | Data transmission method based on integral end-to-end multi-path transmission | |
| WO2011113358A1 (en) | Routing forwarding method for ip network, and network device | |
| CN110430088B (en) | Method for discovering neighbor nodes and automatically establishing connection in NDN (named data networking) | |
| CN104539455A (en) | Packet terminal configuration method and system | |
| CN111294271B (en) | Device and method for establishing hybrid mesh network applied to multiple links | |
| JP4564442B2 (en) | Route search device | |
| JP2010113710A (en) | Method of transmitting data between peers with network selection according to at least one criterion, and associated management device and communication equipment | |
| CN106658479B (en) | Method for realizing wireless network convergence | |
| US10912149B2 (en) | Communication device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140129 Termination date: 20170523 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |