CN101568048B - Data transmission method and system - Google Patents
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Abstract
The present invention discloses a data transmission method and a system. In the method, a network element control single board confirms the number of at least one optical interface corresponding with the target IP address of data; transmitting the data of the network element control single board and the number of at least confirmed optical interface to a multi-optical-interface single board; receiving the number of at least one optical interface and the data by the multi-optical-interface, and transmitting the data to at least one optical interface corresponding with the number of at least oneoptical interface. According to the technical solution provided by the invention, the reliably transmission of the data can be realized and the updating difficulty is reduced. Furthermore the cost ca n be reduced.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of data transmission method and system.
Background technology
In mass transport network element, optical interface veneer (many light mouth veneer, referred to as tabula rasa) has multiple light mouth, and such as, current light mouth number has reached 32.From now on, light mouth number may be more, and the capacity of support may be larger.Due to network element control (NodeB Control Processor, referred to as NCP) mode of communication between veneer and above-mentioned light mouth determines the Transfer Quality of control signal and network management information, therefore, the communication between NCP and tabula rasa will become the core technology of optical transmission device webmaster.
Current, have the data communication that multiple method can realize between NCP plate and tabula rasa, wherein, virtual interface technology is exactly one of method wherein.The general principle of virtual interface technology is: NCP is all sent to virtual interface to the data of tabula rasa, and is forwarded to each light mouth again by virtual interface; When the data received from Guang Kou are sent to NCP plate, first send the data to virtual interface, then send to NCP plate by virtual interface.
Can find out, owing to there is the processing links of virtual interface technology, therefore processing speed is slow, and, because virtual interface completes the forwarding capability received/give out a contract for a project between NCP plate and all light mouths on tabula rasa, therefore may become bottleneck, cause data congestion.In addition, SDH (Synchronous Digital Hierarchy) (Synchronous Digital Hierarchy, referred to as SDH) equipment is all made up of one piece of NCP and polylith tabula rasa, tabula rasa number can reach 40 polyliths, most of tabula rasa adopts the cpu chip (general frequency is 50M) that class is lower, and due to tabula rasa adopt cpu chip quantity more, thus there is difficulty in chip upgrade.
The another kind of common method realizing the data communication between NCP plate and tabula rasa adopts ethernet technology, needs use two or L3 Switching chip.Although the method improves forward efficiency, cost is higher.
Summary of the invention
During for the transfer of data realized in correlation technique between NCP and tabula rasa, transmission speed is comparatively slow, larger for the chip upgrade difficulty of tabula rasa, and the higher problem of cost and propose the present invention, for this reason, main purpose of the present invention is the data transmission scheme providing a kind of improvement, to solve the problem one of at least.
According to an aspect of the present invention, a kind of data transmission method is provided.
Data transmission method according to the present invention comprises: at least one light slogan of the many light mouth veneer corresponding with the object IP address of data determined by network element control veneer; Network element control veneer data and at least one the light slogan determined send to many light mouth veneer; Many light mouth veneer receives at least one light slogan and data, and by Data dissemination at least one light mouth corresponding with at least one light slogan.
According to a further aspect in the invention, a kind of data transmission system is provided.
Above-mentioned data transmission system comprises a network element control veneer, at least one many light mouth veneer.Wherein, network element control veneer according to the present invention comprises: determination module, for determining at least one light slogan of the many light mouth veneer corresponding with the object IP address of data; Sending module, for sending to many light mouth veneer by least one the light slogan determined and data; At least one many light mouth veneer according to the present invention comprises: receiving distribution module, for receiving light slogan and data, and data being sent at least one light mouth corresponding with at least one light slogan.
Pass through the present invention, when realizing transfer of data between network element control veneer and tabula rasa, the light slogan of the many light mouth veneer corresponding with the object IP address of data determined by network element control veneer, and data and light slogan are sent to tabula rasa, tabula rasa again by above-mentioned Data dissemination at least one light mouth corresponding with above-mentioned smooth slogan, solve transmission speed comparatively slow, larger for the upgrading difficulty of tabula rasa, and the problem that cost is higher, and then achieve the transmitting of data, reduce upgrading difficulty, reduce cost.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from specification, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write specification, claims and accompanying drawing and obtain.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the data transmission system according to the embodiment of the present invention;
Fig. 2 is the structural representation of data transmission system according to the preferred embodiment of the invention;
Fig. 3 is the block diagram of the data transmission system according to the embodiment of the present invention;
Fig. 4 is the flow chart of the data transmission method according to the embodiment of the present invention;
Fig. 5 is the structural representation of the data head according to the embodiment of the present invention;
Fig. 6 is the flow chart of data transmission method according to the preferred embodiment of the invention;
Fig. 7 is the detailed process figure of the data transmission method according to the embodiment of the present invention;
Fig. 8 be according to the increase data head of the embodiment of the present invention after the structural representation of data;
Fig. 9 is the schematic diagram of transmission data;
Figure 10 is the schematic diagram of the data extracted from the expense of light mouth according to the embodiment of the present invention;
Figure 11 is the schematic diagram to the data obtained after the data increase data head shown in Figure 10 according to the embodiment of the present invention.
Embodiment
Functional overview
Consider in correlation technique when adopting virtual interface technology to realize data communication between NCP plate and tabula rasa, the forward efficiency of virtual interface is lower, upgrading tabula rasa cpu chip difficulty is larger, and the problem that when adopting ethernet technology to realize data communication, cost is larger, embodiments provide the data transmission scheme of improvement, network element control veneer is according to the object IP address of presetting and the mapping relations of light slogan, determine light slogan, and data and light slogan are sent to tabula rasa, tabula rasa again by above-mentioned Data dissemination at least one light mouth corresponding with above-mentioned smooth slogan.In embodiments of the present invention, NCP plate completes the process of above-mentioned mapping relations, the difficulty of upgrading cpu chip is reduced, and is applicable to the design feature of modern SDH equipment.Wherein, network element control veneer has been used for Routing Protocol computing, has processed or has turned transmitting IP packet; Many light mouth veneer, for inserting and extract the expense of light signal, carries out adaptation and forwarding to the light signal message of different rates, and the network management information of transmission network element control veneer and data are to other network elements.
It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.Below with reference to the accompanying drawings and describe the present invention in detail in conjunction with the embodiments.
System embodiment
According to the embodiment of the present invention, provide firstly a kind of data transmission system.
Fig. 1 and Fig. 2 is the structural representation of the data transmission system according to the embodiment of the present invention.Data transmission system comprises a network element control veneer, at least one many light mouth veneer, as shown in Figure 1, network element control veneer according to the data transmission system of the embodiment of the present invention comprises: determination module 10, sending module 12, and each many light mouth veneer of data transmission system comprises: receive distribution module 14.The details of above-mentioned modules is described further combined with Fig. 2 below.
Determination module 10, for determining at least one light slogan of the many light mouth veneer corresponding with the object IP address of data.
As shown in Figure 2, the network element control veneer of data transmission system can also comprise according to the preferred embodiment of the invention: the first memory module 20, for storing network element control veneer and many light mouth veneer through consulting default data head form, wherein, this data head comprises: the slot number of network element control veneer, the slot number of many light mouth veneer, light slogan; Many light mouth veneer of data transmission system can also comprise: the second memory module 22, for storing above-mentioned data head form.
Preferably, above-mentioned first memory module 20, also for storing default object IP address and the mapping relations of light slogan.
Above-mentioned determination module 10 can comprise: address maps submodule 100, for reading the mapping relations that the first memory module stores, determines the light slogan with many light mouth veneer of the object IP address maps of data.
Sending module 12, is connected with determination module 10, at least one the light slogan determined and data are sent to many light mouth veneer.
Preferably, as shown in Figure 2, above-mentioned sending module 12 can comprise: first process submodule 120, for increasing data head in the data according to the data head form preset, wherein, carries the light slogan that determination module is determined in data head.
Receive distribution module 14, being connected with sending module 12, for receiving above-mentioned smooth slogan and data, and data being sent at least one light mouth corresponding with at least one light slogan.
Preferably, as shown in Figure 2, above-mentioned reception distribution module 14 can comprise: second process submodule 140 and distribution submodule 142, and wherein, second process submodule 140, for obtaining light slogan in the data head from the data received, and deletes data head; Distribution submodule 142, for deleting at least one extremely corresponding with at least one light slogan light mouth of the Data dissemination after data head.
Preferably, above-mentioned many light mouth veneer can also comprise: spending process module 24, for data are inserted in the expense of light mouth, or, obtain the data of the expense from light mouth;
Preferably, when realizing many light mouth veneer to NCP plate transmission data, distribution submodule 142 also for sending light slogan and data to a second process submodule, second process submodule 140, first process submodule 120 also for increasing data head, address maps submodule 100 in the data according to data head form also for determining to receive the network element control veneer of data according to data head, and for deleting data head.
Wherein, address maps submodule 100, also for searching the object IP address of data and the corresponding relation of light slogan, if do not found, also for increasing above-mentioned corresponding relation in above-mentioned mapping relations in the mapping relations preset.
Fig. 3 is the block diagram of the data transmission system according to the embodiment of the present invention.As shown in Figure 3, this data transmission system comprises: a NCP veneer and the veneer of light mouth more than, wherein, this NCP veneer and many light mouth veneer are by High-Level Data Link Control (High Level DataLink Control, referred to as HDLC) bus is connected, and HDLC bus is for realizing the transfer of data between NCP veneer and many light mouth veneer.
Preferably, the present embodiment adopts the carrier supporting that the bus of High-Level Data Link Control (HDLC) agreement is transmitted as bottom data, a bed course is increased between HDLC bus and top level control agreement thereof, be similar to the function of the mpls protocol of Ethernet, complete the communication between NCP plate and each light mouth of Optical Fiber Interface Board.
Three kinds of different communication modes between HDLC agreement support site: normal response mode, asynchronous response mode and asynchronous balance mode.Wherein, in asynchronous balance mode, all websites are equality, only use the compound website connected with point to point system.When another compound website does not secure permission, a compound website just can start once to transmit.The present embodiment adopts asynchronous balance mode to carry out transfer of data by HDLC bus.For the transmission of data, other implementations can also be had, include but not limited to aforesaid way.
Particularly, above-mentioned NCP veneer comprises: address mapping module 30, head processing module 32, HDLC adaptation module 34 and IP stack 36.Wherein, address mapping module 30, is equivalent to the address maps submodule 100 in Fig. 2, for searching the object IP address of data and the corresponding relation of light slogan in the mapping relations preset, if do not found, also for increasing corresponding relation in above-mentioned mapping relations; Head processing module 32, be equivalent to first process submodule 120 in Fig. 2, for increasing data head in the data according to the data head form preset, wherein, the light slogan that above-mentioned determination module is determined is carried in data head, also for determining the network element control veneer receiving data according to data head, and for deleting data head; Preferably, HDLC adaptation module 34, when NCP plate sends data, for according to HDLC protocol format, increase data field in the data, make these data and HDLC bus suitable, when NCP plate receive data, for according to HDLC protocol format, delete the data field of increase in the data; IP stack 36, for being further processed the data received.
Particularly, above-mentioned many light mouth veneer comprises: HDLC adaptation module 38, head processing module 40, distribution module 42 and spending process module 44.Wherein, HDLC adaptation module 38, when Duo Guangkou veneer send data, for according to HDLC protocol format, increase data field in the data, make these data and HDLC bus suitable.When Duo Guangkou veneer receives data, for according to HDLC protocol format, in above-mentioned data, delete the data field of increase; Head processing module 40, be equivalent to second process submodule in Fig. 2, when Duo Guangkou veneer receives data, for obtaining light slogan in the data head from the data received, and delete this data head, when Duo Guangkou veneer receives data, also for increasing data head in the data according to data head form; Distribution module 42, be equivalent to the distribution submodule 142 in Fig. 2, when Duo Guangkou veneer receives data, for at least one extremely corresponding with at least one light slogan light mouth of the Data dissemination after data head will be deleted, when Duo Guangkou veneer sends data, also for the light slogan of the data obtained from light mouth expense, this light mouth is sent to a processing module 40.Spending process module 44, is equivalent to the spending process module 24 in Fig. 2, for data are inserted in the expense of light mouth, or, obtain the data of the expense from light mouth.
By above-described embodiment, provide a kind of data transmission system, realized the rapid data transmitting-receiving of the multiplexing of HDLC bus and many light mouth by the encapsulation of data head; Between transmission equipment, circuit-switched network (Switched CircuitNetwork is at a high speed achieved with minimum cost, referred to as SCN) and mobile content network (Mobile Content Network, referred to as MCN) passage, ensure that the transmitting of SCN and MCN data between many network elements, reduce cpu load, the intellectuality for optical transmission device realizes the support providing stronger disposal ability.
Embodiment of the method
According to the embodiment of the present invention, additionally provide a kind of data transmission method.
Fig. 4 is the flow chart of the data transmission method according to the embodiment of the present invention.As shown in Figure 4, comprise the following steps (step S401-step S405) according to the data transmission method of the embodiment of the present invention:
Step S401: at least one light slogan of the many light mouth veneer corresponding with the object IP address of data determined by network element control veneer;
Step S403: data and at least one the light slogan determined are sent to many light mouth veneer by network element control veneer;
Step S405: many light mouth veneer receives at least one light slogan and data, and by Data dissemination at least one light mouth corresponding with at least one light slogan.
For step S401, preferably, in specific implementation process, the mapping relations of above-mentioned purpose IP address and light slogan are pre-arranged and are kept in network element control veneer, network element control veneer, according to the above-mentioned mapping relations preset, determines at least one light slogan above-mentioned.
Wherein, above-mentioned mapping relations include but not limited to mapping relations table.Table 1 is an example of above-mentioned mapping relations table:
Table 1
| Sequence number | Object IP address | Light slogan |
| 0 | 127.0.0.1 | 0 |
| 1 | 192.192.1.18 | 1 |
| 2 | 192.192.2.18 | 2 |
| 3 | 192.192.3.18 | 3 |
As shown in table 1, IP address for the purpose of the secondary series of table 1, the 3rd is classified as light slogan, and an object IP address of every a line is corresponding with a light slogan.
Preferably, before determining at least one light slogan, network element control veneer also needs to hold consultation with many light mouth veneer, pre-set data head form, or, pre-determine data head form by system, and notify network element control veneer and many light mouth veneer, wherein, data head comprises: the slot number of network element control veneer, the slot number of many light mouth veneer, light slogan.Data head form can see Fig. 5.
Fig. 5 is the structural representation of the data head according to the embodiment of the present invention.As shown in Figure 5, following component can be comprised according to the data head of the embodiment of the present invention: object slot number, mark, control word, source slot number, light slogan, length, test mark, topological command word and producer's mark.Wherein, above-mentioned purpose slot number is the plate number (i.e. slot number) that data need to be sent to, above-mentioned source slot number is the plate number (i.e. slot number) sending data, and above-mentioned smooth slogan is the light mouth numbering many light mouth veneer sending or receives data.
For step S403, preferably, in specific implementation process, network element control veneer, according to the data head form pre-set, increases the data head carrying light slogan in the data, and the data comprising data head is sent to many light mouth veneer.
Particularly, according to the data head form pre-set, increase the step carrying the data head of light slogan in the data as follows: in data head, carry slot number and light slogan according to the data head form preset, wherein, slot number for determining the source veneer and the object single board information that send data, and comprises the slot number of network element control veneer and the slot number of many light mouth veneer.
Preferably, above-mentioned mention by comprise data head data send process can realize as follows: according to HDLC protocol format, increase data field in the data, and carry out serial transmission by hdlc bus with asynchronous balance mode, wherein, data field at data receiver to deleted afterwards.
For step S405, preferably, in specific implementation process, many light mouth veneer obtains at least one light slogan from the data head of the data received, and deletes data head; Many light mouth veneer is by least one extremely corresponding with at least one light slogan for the Data dissemination after deletion data head light mouth.
Particularly, before many light mouth veneer obtains at least one light slogan from the data head of the data received, also need the slot number of the many light mouth veneer obtained in data head, and the object single board information of slot number determination data according to many light mouth veneer.
In specific implementation process, after Duo Guangkou veneer is by the Data dissemination after deletion data head at least one light mouth corresponding with at least one light slogan, for each light mouth of above-mentioned light mouth, can also comprise the following steps:
(1) data are inserted in the expense of light mouth;
(2) many light mouth veneer obtains data from the expense of light mouth;
(3) many light mouth veneer increases data head in the data according to the data head form pre-set, and the data comprising data head are sent to network element control veneer, and wherein, data head is used to indicate the network element control single board information receiving data;
(4) the network element control single board information that indicates according to data head of network element control veneer, determine himself to be the object network element control veneer receiving data, delete data head, and search the corresponding relation of the object IP address of data and the light slogan of light mouth in the mapping relations of the object IP address of presetting and light slogan;
(5) if find corresponding relation in mapping relations, then send data to IP stack and process, otherwise, in mapping relations, increase corresponding relation, then send data to IP stack and process.
Based on foregoing description, Fig. 6 shows the flow chart of data transmission method according to the preferred embodiment of the invention.As shown in Figure 6, data transmission method comprises the following steps (step S601-step S619) according to the preferred embodiment of the invention:
Step S601: judged whether that data need to send at NCP plate, if so, performed step S603, otherwise, return and perform this step;
Step S603: carry out address maps operation, completes the mapping of object IP address and light slogan;
Particularly, namely in the mapping relations preset, corresponding light slogan is searched according to object IP address.
Step S605: slot number, the slot number of many light mouth veneer (i.e. object veneer), the relevant header data message such as the light slogan receiving many light mouth veneer of above-mentioned data and data length of filling in NCP veneer (i.e. source veneer) according to data head form in data head;
Step S607: increase data field according to HDLC protocol format in above-mentioned data, by these data and HDLC bus suitable;
Step S609:NCP plate sends above-mentioned data by HDLC bus;
Step S611: many light mouth veneer judges whether to receive data by HDLC bus, if so, performs step S616, otherwise, return and perform this step;
Step S613: the data field that many light mouth veneer increases in delete step S607 in above-mentioned data;
Step S615: the information of many light mouth veneer to above-mentioned data head is resolved, obtains the light slogan comprised in data head, and deletes above-mentioned data head;
Step S617: according to the light slogan comprised in data head, by the Data dissemination after deletion data head to the light mouth corresponding with this light slogan;
Particularly, light slogan and light mouth corresponding thereto can be at least one, when sending data, at least one packet can be sent to different light mouths simultaneously.
Step S619: above-mentioned data are inserted in the expense of light inlet, or, from expense, extract corresponding data according to demand.
Wherein, above-mentioned steps S601-S609 realizes NCP plate carries out flow process from transfer of data to many light mouth veneer.
Fig. 7 is the detailed process figure of the data transmission method according to the embodiment of the present invention.As shown in Figure 7, this example comprises the following steps (step S701-step S733):
Have data will be sent to the network element that object IP address is 192.192.2.18 in step S701:IP protocol stack, these data are 0XC0C00212, and first packet sends address mapping module 30 to;
Step S703: address mapping module is No. 02 according to mapping relationship searching to the light slogan that the IP address of 192.192.2.18 is corresponding, and mapping result is sent to a processing module;
Step S705: head processing module fills in corresponding information according to data head form in data head, wherein, this corresponding information specifically can see Fig. 8: object slot is 0X14, i.e. 20 slots, light slogan is 02, and slot, source is 09, and producer is identified at generally fills out 0, if not test pack and topology bag, then respective field fills out 0.Generally, packet test mark and topological command word fill out 0.The data head having filled in above-mentioned corresponding information is increased to before the data that need send.
The data comprising data head are sent to HDLC adaptation module and carry out adaptation by step S707: after having filled in, and in these data, namely increase the flag of frame 0x7E of HDLC, the data such as CRC.
Step S709: the above-mentioned data by encapsulation are sent with asynchronous balance mode (ABM) serial through HDLC bus, and is received by the HDLC adaptation module of tabula rasa;
Step S711: adaptation module deletes the Adapted information of HDLC bus, such as, the flag of frame 0x7E of HDLC, the data after process are sent to a processing module by the data such as CRC;
Step S713: the object slot number in head processing module resolution data head form, determine be this plate (such as, slot number is 0X14) packet after, extract light message breath (02), delete above-mentioned data head, the data not comprising data head can see Fig. 9, by light slogan (02) and this data retransmission to distribution module.
Step S715: data are as shown in Figure 9 sent to corresponding spending process module according to light slogan by distribution module;
Step S717: the light slogan that above-mentioned data are inserted into SDH by spending process module is in the expense of light mouth of 02;
Step S719: the spending process module of many light mouth veneer is the IP address extracting an entry the light mouth expense of 03 from light slogan is 192.192.1.18 packet, i.e. 0XC0C00112, specifically see Figure 10, these data can be sent to the distribution module of many light mouth veneer;
Step S721: distribution module fills in light slogan, is sent to the head processing module of many light mouth veneer by light slogan and above-mentioned data;
Step S723: head processing module fills in corresponding information according to data head form in data head, wherein, this corresponding information specifically can see Figure 11: object slot number (i.e. the address of NCP veneer) is 09, light slogan is 03, source slot number (i.e. the address of this many light mouth veneer) is 17, producer is identified at generally fills out 0, and if not test pack and topology bag, then respective field fills out 0.Generally, the test mark of packet and topological command word fill out 0, are increased to by the data head having filled in above-mentioned corresponding information before the data that need send;
The data comprising data head are sent to HDLC adaptation module and carry out adapting operation by step S725: after having filled in, and such as, increase the data such as flag of frame and CRC of HDLC in these data.
Step S727: the above-mentioned data by encapsulation are sent with asynchronous balance mode (ABM) serial through HDLC bus, and is received by the HDLC adaptation module of NCP plate;
The adaptation module of step S729:NCP plate deletes the Adapted information of HDLC bus, and the data after process are sent to a processing module;
The head processing module of step S731:NCP plate, according to the information in data head, judges whether it is the data that this plate (NCP plate) will receive, and after being confirmed to be the data of this plate reception, sends data to address mapping module;
Step S733: address mapping module checks object IP address and the light slogan of above-mentioned data, if these mapping relations exist in the mapping table that NCP plate is default, then will directly IP stack be sent to be for further processing above-mentioned data, otherwise, after IP address information and light slogan being increased to the default mapping relations of NCP plate, issue IP stack process again.
Wherein, each module of NCP plate and many light mouth veneer can see Fig. 3.Above-mentioned steps S701-S733 realizes data to transfer to many light mouth veneer from NCP plate and data transfer to the flow process of NCP plate from Duo Guangkou veneer.
Pass through above-described embodiment, provide a kind of data transmission method, effectively can solve the problem that when tabula rasa light mouth quantity is more in modern mass transport equipment, communication efficiency is low, improve efficiency and quality that webmaster communicates with OAM data, address maps operation is completed at NCP plate, save the hardware cost of updating apparatus tabula rasa, be applicable to the design feature of modern SDH equipment.
In sum, pass through the above embodiment of the present invention, the data transmission scheme provided, the transfer of data between NCP plate and numerous light mouths of many light mouth veneer can be realized, solve transmission speed in correlation technique comparatively slow, comparatively large for the chip upgrade difficulty of tabula rasa, and the problem that cost is higher, and then achieve the transmitting of data, save the hardware cost of updating apparatus tabula rasa, improve efficiency and the quality of network management and data communication.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (13)
1. a data transmission method, be applied to the system comprising network element control veneer, many light mouth veneer, it is characterized in that, described method comprises:
At least one light slogan of the many light mouth veneer corresponding with the object IP address of data determined by described network element control veneer;
Described data and at least one light slogan described in determining are sent to described many light mouth veneer by described network element control veneer;
Described many light mouth veneer receives at least one light slogan described and described data, and by described Data dissemination at least one light mouth corresponding with at least one light slogan described.
2. method according to claim 1, is characterized in that, described network element control veneer determines that at least one light slogan of the many light mouth veneer corresponding with the object IP address of data comprises:
Described network element control veneer according to the mapping relations of object IP address and the light slogan preset, at least one light slogan described in determining.
3. method according to claim 2, is characterized in that, before determining at least one light slogan described, described method also comprises:
Described network element control veneer and described many light mouth veneer are held consultation, and pre-set data head form, wherein, described data head comprises: slot number, the slot number of described many light mouth veneer, the described smooth slogan of described network element control veneer.
4. method according to claim 3, is characterized in that, described data and at least one light slogan described in determining send to described many light mouth veneer to comprise by described network element control veneer:
Described network element control veneer, according to the described data head form pre-set, increases the data head carrying described smooth slogan, and the described data comprising described data head is sent to described many light mouth veneer in described data.
5. method according to claim 4, is characterized in that, is comprised by described Data dissemination at least one light mouth corresponding with at least one light slogan described:
Described many light mouth veneer obtains at least one light slogan described from the described data head of the data received, and deletes described data head;
Described many light mouth veneer is by least one extremely corresponding with at least one light slogan described for the described Data dissemination after the described data head of deletion light mouth.
6. method according to claim 5, is characterized in that, before described many light mouth veneer obtains at least one light slogan described from the described data head of the data received, described method also comprises:
Obtain the slot number of the described many light mouth veneer in described data head, and determine the object single board information of described data according to the slot number of described many light mouth veneer.
7. method according to claim 6, is characterized in that, described many light mouth veneer is by after the described Data dissemination after the described data head of deletion at least one light mouth corresponding with at least one light slogan described, and for each light mouth, described method also comprises:
Described data are inserted in the expense of described light mouth;
Described many light mouth veneer obtains described data from the expense of described light mouth;
Described many light mouth veneer increases data head according to the data head form pre-set in described data, the described data comprising described data head are sent to described network element control veneer, wherein, described data head is used to indicate the network element control single board information receiving described data;
The network element control single board information that described network element control veneer indicates according to described data head, determine himself to be the object network element control veneer receiving described data, delete described data head, and search the corresponding relation of the object IP address of described data and the light slogan of described light mouth in the described mapping relations of described default object IP address and light slogan;
If find described corresponding relation in described mapping relations, then described data are sent to IP stack and process, otherwise, in described mapping relations, increase described corresponding relation, more described data are sent to IP stack process.
8. the method according to claim 4 or 7, is characterized in that, increases described data head comprise according to the described data head form pre-set in described data:
In described data head, slot number and described smooth slogan is carried according to the data head form preset, wherein, described slot number for determining the source veneer and the object single board information that send described data, and comprises the slot number of described network element control veneer and the slot number of described many light mouth veneer.
9. the method according to claim 4 or 7, is characterized in that, the described data comprising described data head is sent and comprises:
According to High level data link control form, in described data, increase data field, and carry out serial transmission by described hdlc bus with asynchronous balance mode, wherein, described data field at described data receiver to deleted afterwards.
10. a data transmission system, comprises a network element control veneer, at least one many light mouth veneer, it is characterized in that,
Described network element control veneer comprises:
Determination module, for determining at least one light slogan of the many light mouth veneer corresponding with the object IP address of data;
Sending module, for sending to described many light mouth veneer by least one light slogan described in determining and described data;
At least one many light mouth veneer described comprises:
Receiving distribution module, for receiving described smooth slogan and described data, and described data being sent at least one light mouth corresponding with at least one light slogan described.
11. systems according to claim 10, is characterized in that,
Described network element control veneer also comprises:
First memory module, for storing described network element control veneer and described many light mouth veneer through consulting the data head form arranged, wherein, described data head comprises: slot number, the slot number of described many light mouth veneer, the described smooth slogan of described network element control veneer;
Described many light mouth veneer also comprises:
Second memory module, for storing described data head form.
12. systems according to claim 11, is characterized in that,
Described first memory module, also for storing default object IP address and the mapping relations of light slogan;
Described determination module comprises:
Address maps submodule, for reading the described mapping relations that described first memory module stores, determines the light slogan with many light mouth veneer of the object IP address maps of data;
Described sending module comprises:
First process submodule, for increasing data head according to the described data head form preset in described data, wherein, carries the described smooth slogan that described determination module is determined in described data head;
Described reception distribution module comprises:
Second process submodule, for obtaining described smooth slogan from the described data head of the data received, and deletes described data head;
Distribution submodule, for deleting at least one extremely corresponding with at least one light slogan described light mouth of the described Data dissemination after described data head.
13. systems according to claim 12, is characterized in that,
Described many light mouth veneer also comprises: spending process module, for described data are inserted in the expense of described light mouth, or, obtain the data of the expense from described light mouth;
Described distribution submodule, also for sending at least one light slogan described and extremely described second the process submodule of described data;
Described second process submodule, also for increasing data head according to described data head form in described data;
Described first process submodule, also for determining according to described data head the network element control veneer receiving described data, and deletes described data head;
Described address maps submodule, also for searching the object IP address of described data and the corresponding relation of light slogan in described default mapping relations, and in described mapping relations, increase the object IP address of described data and the corresponding relation of light slogan when searching unsuccessfully.
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