CN107302528A - A kind of transmission method of multi-protocol data and a kind of gateway apparatus - Google Patents
A kind of transmission method of multi-protocol data and a kind of gateway apparatus Download PDFInfo
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- CN107302528A CN107302528A CN201710440178.1A CN201710440178A CN107302528A CN 107302528 A CN107302528 A CN 107302528A CN 201710440178 A CN201710440178 A CN 201710440178A CN 107302528 A CN107302528 A CN 107302528A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/18—Multiprotocol handlers, e.g. single devices capable of handling multiple protocols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
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- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The embodiments of the invention provide a kind of transmission method of multi-protocol data and a kind of gateway apparatus, including：Local terminal gateway receives the first service data information that first terminal is sent；Wherein, the first service data information includes the first transport protocol type, business datum, and, destination address, destination address includes the address of peer gateway, and, the address of the target data interface of peer gateway；Local terminal gateway determines the second transport protocol type of target data interface according to the address of target data interface；When the first transport protocol type is different from the second transport protocol type, the second service data information is generated based on the second transport protocol type, business datum, and destination address；Address of the local terminal gateway according to peer gateway, the second service data information is sent to peer gateway；Peer gateway is used for the address according to target data interface, and the second service data information is sent to the second terminal being connected with target data interface.The embodiment of the present invention improves communication efficiency.
Description
Technical field
The present invention relates to communication technical field, the transmission method of more particularly to a kind of multi-protocol data and a kind of gateway dress
Put.
Background technology
After video monitoring enters high Qinghua, digitlization, networking, multi-service monitoring-controlling system signal based on video
There is very urgent demand in long-distance transmissions and various kinds of media interactive application.
In actual applications, possess the multi-protocol data of standard or non-standard interface agreement have the opering characteristic of electric apparatus difference and
The different present situation of physical aspect, all establishes one's own system in existing application environment.Its display form is, different data format,
Distinct interface agreement, the data of distinct interface form carry out conversion each other needs special equipment, moreover, most equipment
Also the data of a kind of data format, interface protocol, interface form can only be changed, it is difficult to accomplish a variety of different pieces of information lattice
In formula, distinct interface agreement, the data of distinct interface form, one end equipment of synchronous access, then according to the one of unified standard
Plant or a variety of data protocols, data format and interface form are output in different terminals.
The content of the invention
In view of the above problems, the embodiment of the present invention proposes a kind of transmission method of multi-protocol data and a kind of corresponding net
Close device.
In order to solve the above problems, the embodiment of the invention discloses a kind of transmission method of multi-protocol data, methods described
Applied between local terminal gateway and peer gateway；The local terminal gateway is integrated with the data-interface of multiple transport protocols type, respectively
The data-interface of individual differing transmission protocols type connects the first terminal for supporting correspondence transport protocol type respectively；The opposite end net
The data-interface for being integrated with multiple transport protocols type is closed, the data-interface of each differing transmission protocols type connects support respectively
The second terminal of correspondence transport protocol type；
Described method includes：
The local terminal gateway receives the first service data information that the first terminal is sent；The first business datum letter
Breath is by the first terminal by supporting the first data-interface of first transport protocol type to be sent to the local terminal net
Close；Wherein, first service data information includes the first transport protocol type, business datum, and, destination address is described
Destination address includes the address of peer gateway, and, the address of the target data interface of peer gateway；
The local terminal gateway determines the second host-host protocol of target data interface according to the address of the target data interface
Type；
When first transport protocol type is different from second transport protocol type, based on the described second transmission association
Type, business datum are discussed, and destination address generates the second service data information；
Address of the local terminal gateway according to the peer gateway, second service data information is sent to described right
Hold gateway；The peer gateway is used for the address according to the target data interface, and second service data information is sent
To the second terminal being connected with the target data interface.
It is preferred that, in addition to：
When first transport protocol type is identical with second transport protocol type, then the local terminal gateway foundation
The address of the peer gateway, first service data information is sent to the peer gateway；The peer gateway is used for
According to the target data interface IP address, first service data information is sent to being connected with the target data interface
Second terminal.
It is preferred that, the data-interface also has electrical specification of interface；The local terminal gateway is according to the opposite end net
The address of pass, the step of first service data information is sent to the peer gateway includes：
The local terminal gateway obtains the electrical specification of interface of the target data interface；
Judge whether the electrical specification of interface of the first data-interface is identical with the electrical specification of interface of target data interface；
If it is not, the then address according to the peer gateway, using the electrical specification of interface of target data interface by described
One service data information is sent to the peer gateway.
It is preferred that, the local terminal gateway has Routing Protocol table, and the Routing Protocol table includes multiple destination addresses, with
And, transport protocol type corresponding with each destination address respectively；
The local terminal gateway determines the second host-host protocol of target data interface according to the address of the target data interface
The step of type, includes：
The local terminal gateway carries out the destination address in the address of the target data interface and the Routing Protocol table
Matching；
Obtain the destination address of matching；
Obtain transport protocol type corresponding with the destination address matched；
It regard the transport protocol type corresponding with destination address that is matching as the second transport protocol type.
It is preferred that, the local terminal gateway and the peer gateway have an optical fiber interface respectively, the local terminal gateway with
Connected between the peer gateway by the optical fiber interface；
Address of the local terminal gateway according to the peer gateway, second service data information is sent to described right
The step of end gateway, includes：
Address of the local terminal gateway according to the peer gateway, by the optical fiber interface, by the second business number
It is believed that breath is sent to the peer gateway.
The embodiment of the invention discloses the transmission method of another multi-protocol data, methods described is applied to access this simultaneously
Between the different terminals for holding gateway；The local terminal gateway is integrated with the data-interface of multiple transport protocols type, each not simultaneous interpretation
The data-interface of defeated protocol type connects the terminal for supporting correspondence transport protocol type respectively；
Described method includes：
Receive the 3rd service data information that third terminal is sent；3rd service data information is by the third terminal
By supporting the 3rd data-interface of the 3rd transport protocol type to be sent to the local terminal gateway；Wherein, the described 3rd
Service data information includes the 3rd transport protocol type, business datum, and, destination address, the destination address includes local terminal
The address of gateway, and, the address of the target data interface of local terminal gateway；
The local terminal gateway determines the 4th host-host protocol of target data interface according to the address of the target data interface
Type；
When the 3rd transport protocol type is different from the 4th transport protocol type, based on the described 4th transmission association
Type, business datum are discussed, and destination address generates the 4th service data information；
According to the address of the target data interface, by the target data interface, the 4th business datum is believed
Breath is sent to the 4th terminal being connected with the target data interface.
It is preferred that, in addition to：
When the 3rd transport protocol type is identical with the 4th transport protocol type, then the local terminal gateway foundation
The address of the target data interface, by the target data interface, by the 3rd service data information send to institute
State the 4th terminal of target data interface connection.
It is preferred that, the data-interface also has electrical specification of interface；The local terminal gateway is according to the number of targets
According to the address of interface, by the target data interface, by the 3rd service data information send to the target data
The step of four terminal of interface connection, includes：
The local terminal gateway obtains the electrical specification of interface of the target data interface；
Judge whether the electrical specification of interface of the 3rd data-interface is identical with the electrical specification of interface of target data interface；
If it is not, the then address according to the target data interface, using the electrical specification of interface of target data interface, by institute
The 3rd service data information is stated to send to the 4th terminal being connected with the target data interface.
Accordingly, the embodiment of the invention discloses a kind of gateway apparatus, the gateway includes local terminal gateway and peer gateway；
The local terminal gateway is integrated with the data-interface of multiple transport protocols type, the data-interface point of each differing transmission protocols type
The first terminal of correspondence transport protocol type Lian Jie not supported；The peer gateway is integrated with the data of multiple transport protocols type
Interface, the data-interface of each differing transmission protocols type connects the second terminal for supporting correspondence transport protocol type respectively；
Described gateway includes：
Receiving module, the first service data information that the first terminal is sent is received for the local terminal gateway；It is described
First service data information is by the first terminal by supporting that the first data-interface of first transport protocol type is sent out
Deliver to the local terminal gateway；Wherein, first service data information includes the first transport protocol type, business datum, and,
Destination address, the destination address includes the address of peer gateway, and, the address of the target data interface of peer gateway；
Protocol determination module, the address for the local terminal gateway according to the target data interface determines that target data connects
Second transport protocol type of mouth；
Modular converter, for when first transport protocol type is different from second transport protocol type, being based on
Second transport protocol type, business datum, and destination address generate the second service data information；
Sending module, second business datum is believed in the address for the local terminal gateway according to the peer gateway
Breath is sent to the peer gateway；The peer gateway is used for the address according to the target data interface, by second industry
Business data message is sent to the second terminal being connected with the target data interface.
It is preferred that, the sending module is additionally operable to when first transport protocol type and second transport protocol type
When identical, then address of the local terminal gateway according to the peer gateway, first service data information is sent to described
Peer gateway；The peer gateway is used to, according to the target data interface IP address, first service data information be sent
To the second terminal being connected with the target data interface.
The embodiment of the present invention includes advantages below：
In embodiments of the present invention, local terminal gateway is integrated with the data-interface of multiple transport protocols type, each not simultaneous interpretation
The data-interface of defeated protocol type connect respectively support correspondence transport protocol type first terminal, and the quantity of first terminal and
The transport protocol type of support is not limited, when the transport protocol type in the first service data information and local terminal gateway are default
Specified transport protocol type differ, it is possible to the first service data information is changed to the second service data information, and adopted
The second service data information is sent to peer gateway with specified transport protocol type, so, not by third party device or
In the case of scheme, the service data information that the terminal of a variety of varying numbers, support differing transmission protocols type can be sent,
It is used uniformly specified host-host protocol to send to peer gateway, both improves communication efficiency, hardware cost is reduced again, uses one
Simple transmission access device just directly can synchronously access multiple business and synchronism output multiple business so that more business
Terminal constitutes a multi-service transport network in most simple, most economical form.
Brief description of the drawings
Fig. 1 is a kind of step flow chart one of the transmission method embodiment of multi-protocol data of the present invention；
Fig. 2 is a kind of step flowchart 2 of the transmission method embodiment of multi-protocol data of the present invention；
Fig. 3 is a kind of structured flowchart of gateway apparatus of the present invention.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is further detailed explanation.
Reference picture 1, shows a kind of step flow chart one of the transmission method embodiment of multi-protocol data of the present invention, institute
Method is stated to be applied between local terminal gateway and peer gateway；The data that the local terminal gateway is integrated with multiple transport protocols type connect
Mouthful, the data-interface of each differing transmission protocols type connects the first terminal for supporting correspondence transport protocol type respectively；It is described
Peer gateway is integrated with the data-interface of multiple transport protocols type, and the data-interface of each differing transmission protocols type connects respectively
Connect the second terminal for supporting correspondence transport protocol type.
Wherein, local terminal gateway, the data-interface of peer gateway can include serial data RS232/422/485 interfaces, I/O
Interface, gigabit Ethernet RJ45 interfaces, Ethernet coaxial interface, wave point, the optical fiber interface of gigabit or 10,000,000,000 speed.
It is further to note that the local terminal gateway and peer gateway in the application are intended merely to that the application is explicitly described
Technical scheme, be not because local terminal gateway can only send data, opposite end net so distinguished local terminal gateway and peer gateway
Pass can only receive data.When the angle from peer gateway, i.e. peer gateway local terminal gateway, data can also be sent,
I.e. local terminal gateway peer gateway, can also receive data.
Terminal in the application can have following features：
(1) on hardware systems, equipment possesses central processing unit, memory, input block and output block, that is,
Say, equipment is often the microcomputer devices for possessing communication function.Furthermore it is also possible to multiple input modes, such as key
Disk, mouse, touch-screen, transmitter and shooting are first-class, it is possible to be adjusted input as needed.Meanwhile, equipment often has
A variety of way of outputs, such as receiver, display screen, can also be adjusted as needed；
(2) on software architecture, equipment must possess operating system, such as Windows Mobile, Symbian, Palm,
Android, iOS etc..Meanwhile, these operating systems are increasingly opened, of the operating system platform exploitation based on these openings
Property application program emerge in an endless stream, such as address book, schedule, notepad, calculator and various types of games are dramatically full
The foot demand of personalized user；
(3) in communication capacity, equipment has flexible access way and high-bandwidth communication performance, and can be according to selected
The business selected and residing environment, the communication mode selected by adjust automatically, so as to be user-friendly.Equipment can support GSM,
WCDMA, CDMA2000, TDSCDMA, Wi-Fi and WiMAX etc., so as to adapt to multiple types network, not only support voice industry
Business, more supports a variety of wireless data services；
(4) in function using upper, equipment more focuses on hommization, personalized and multifunction.With computer technology
Development, equipment enters the pattern of " human-centred " from the pattern of " facility center management ", is integrated with embedding assembly, control skill
Art, artificial intelligence technology and biometrics etc., have fully demonstrated people-oriented objective.Due to the hair of software engineering
Exhibition, equipment can be adjusted according to demands of individuals and set, more personalized.Meanwhile, equipment is integrated with numerous software and hardwares in itself,
Function is also stronger and stronger.
Described method specifically may include steps of：
Step 101, the local terminal gateway receives the first service data information that the first terminal is sent；First industry
Business data message is by the first terminal by supporting the first data-interface of first transport protocol type to be sent to institute
State local terminal gateway；Wherein, first service data information includes the first transport protocol type, business datum, and, target
Location, the destination address includes the address of peer gateway, and, the address of the target data interface of peer gateway；
Because local terminal gateway has the data-interface of multiple transport protocols type, first terminal by counting accordingly
According to interface, the first service data information is sent to local terminal gateway using corresponding host-host protocol.If for example, first terminal is
PC, PC are connected by twisted-pair feeder with local terminal gateway, then first terminal is exactly by RJ45 interfaces, using ICP/IP protocol by the
One service data information is sent to local terminal gateway；If first terminal is smart mobile phone, then, first terminal is exactly to pass through
WIFI, is sent the first service data information to local terminal gateway using IEEE802.11n agreements.
Wherein, the first service data information includes the first transport protocol type, business datum, and destination address.Specifically
, in OSI (Open System Interconnection, Open System Interconnection), business datum correspondence application layer, and it is real
Border carry out data interaction for physical layer, accordingly, it would be desirable to which the data of application layer are packaged, every layer of protocol information is all added
The protocol header of service data information, or agreement portion are added to, by taking Ethernet as an example, the service data information of application layer is A,
When reaching transport layer, service data information is TCP header+A, when reaching Internet, and service data information is IP heads+TCP header+A, is arrived
During up to data link layer, service data information is MAC header+LLC heads+IP heads+TCP header+A+FCS (Frame Check
Sequence, frame check sequence), when reaching physical layer, service data information is converted to bit stream, and network is passed through using binary system
Medium is transmitted.
Certainly, first terminal can be a terminal or multiple terminals, for example, it may be PC passes through RJ45
Interface is connected to local terminal gateway, and smart mobile phone is connected to local terminal gateway simultaneously by WIFI.The embodiment of the present invention is in order to clear
Description technique scheme, is not the limit to the application so being illustrated using a terminal and the connection of local terminal gateway
System, in actual applications, local terminal gateway can connect the terminal of varying number according to the actual requirements.
Step 102, the local terminal gateway determines the second of target data interface according to the address of the target data interface
Transport protocol type.
Local terminal gateway is after the first service data information received, it is necessary to first be unsealed to the first service data information
Dress, obtains target location.
In embodiments of the present invention, local terminal gateway has a protocol stack, and the protocol stack includes that local terminal gateway is all to be connect
The corresponding transport protocol type of mouth, the effect of the protocol stack is exactly that service data information is packaged/decapsulated.
Specifically, local terminal gateway is after the first service data information of first terminal transmission is received, protocol stack is first right
First service data information is decapsulated, and obtains the first transport protocol type, the business datum of the first service data information, with
And, destination address.Wherein, the destination address includes the address of peer gateway, and, the target data interface of peer gateway
Address, that is to say, that according to destination address, local terminal gateway know by service data information send to which peer gateway which
Data-interface, and judge the transport protocol type that the corresponding data-interface of destination address is supported.
It should be noted that in this application, every kind of data-interface in gateway can have one or more, so every kind of
Data-interface also has the data-interface address of oneself.For example, gateway has 4 RJ45 data-interfaces, the address of 4 data-interfaces
Respectively 192.168.0.1,192.168.0.2,192.168.0.3,192.168.0.4.
In a kind of preferred embodiment of the invention, the local terminal gateway has Routing Protocol table, the Routing Protocol table bag
Multiple destination addresses are included, and, transport protocol type corresponding with each destination address respectively；
The local terminal gateway determines the second host-host protocol of target data interface according to the address of the target data interface
The step of type, includes：
The local terminal gateway carries out the destination address in the address of the target data interface and the Routing Protocol table
Matching；
Obtain the destination address of matching；
Obtain transport protocol type corresponding with the destination address matched；
It regard the transport protocol type corresponding with destination address that is matching as the second transport protocol type.
Specifically, the Routing Protocol table in local terminal gateway is similar to the routing table in router, but differ in that, this Shen
Please in Routing Protocol table in addition to including multiple destination addresses, in addition to host-host protocol corresponding with each destination address respectively
Type.Because except the address including intended gateway, in addition in intended gateway, target data connects the destination address in the application
Mouthful address, so, transport protocol type corresponding with each destination address refers to corresponding with the address of each target data
Transport protocol type.
When the protocol stack in local terminal gateway is decapsulated to the first service data information, the address of intended gateway is obtained
Behind the address of target data interface, the address of target data interface is matched with the destination address in Routing Protocol table,
Then obtain the destination address of matching, and obtain transport protocol type corresponding with the destination address of matching, by with the mesh that matches
The corresponding transport protocol type in mark address is used as the second transport protocol type.
Step 103, when first transport protocol type is different from second transport protocol type, based on described
Two transport protocol types, business datum, and destination address generate the second service data information；
Specifically, when the transmission that the corresponding transport protocol type of target data interface and the first service data information are used is assisted
Discuss type it is different when, the protocol stack in local terminal gateway is accomplished by the corresponding transport protocol type of target data interface, from the
The business datum of one service data information decapsulation acquisition, the address of intended gateway, and, the address of target data interface is carried out
Encapsulation, generates the second service data information.
If necessary to which the first service data information is sent to multiple destination addresses, then the protocol stack of local terminal gateway exists
After being decapsulated to the first service data information, the corresponding transport protocol type in address of multiple target data interfaces is obtained, then
The corresponding transport protocol type in address of each target data interface, business datum, the address of each intended gateway is respectively adopted,
And, the address of each target data interface is packaged, and generates multiple service data informations.
It should be noted that there is a kind of situation to be that the first service data information does not have destination address, that is, the first business
Data message is broadcast packet, then in this case, and local terminal gateway can extract business datum from the first service data information,
Then the broadcast packet for generating multiple different agreements respectively is transmitted.
Step 104, address of the local terminal gateway according to the peer gateway, second service data information is sent
To the peer gateway；The peer gateway is used for the address according to the target data interface, by second business datum
Information is sent to the second terminal being connected with the target data interface.
Local terminal gateway is after the second service data information is generated, then the address according to the intended gateway in destination address,
Second service data information is sent to peer gateway, peer gateway is after the second service data information is received, opposite end
Protocol stack in gateway is first decapsulated to the second service data information, obtains target data interface IP address, then foundation
Target data interface IP address, the second service data information is sent to the second terminal being connected with target data interface IP address.
In a kind of preferred embodiment of the invention, described method also includes：
When first transport protocol type is identical with second transport protocol type, then the local terminal gateway foundation
The address of the peer gateway, first service data information is sent to the peer gateway；The peer gateway is used for
According to the target data interface IP address, first service data information is sent to being connected with the target data interface
Second terminal.
For example, first terminal is sent the first service data information to local terminal gateway using ICP/IP protocol, just target
The corresponding transport protocol type of data-interface is also TCP/IP, then, now local terminal gateway is avoided the need for the first business datum
Information is changed to the second service data information, the first service data information directly can be used into ICP/IP protocol, sent extremely
Peer gateway just can be with, and the first service data information is also used ICP/IP protocol by peer gateway using ICP/IP protocol, according to
According to target data interface IP address, the first service data information is sent to the second terminal being connected with target data interface.
In a kind of preferred embodiment of the invention, the data-interface also has electrical specification of interface；The local terminal
Address of the gateway according to the peer gateway, the step of first service data information is sent to the peer gateway is wrapped
Include：
The local terminal gateway obtains the electrical specification of interface of the target data interface；
Judge whether the electrical specification of interface of the first data-interface is identical with the electrical specification of interface of target data interface；
If it is not, the then address according to the peer gateway, using the electrical specification of interface of target data interface by described
One service data information is sent to the peer gateway.
For example, RS422 data-interfaces and RS485 data-interfaces are all to carry out data biography using token protocol, bus form
It is defeated, then, if first terminal is connected with local terminal gateway by RS422 data-interfaces, second terminal passes through with peer gateway
RS485 data-interfaces are connected, then, local terminal gateway avoids the need for generating the second service data information.But, RS422 data
Interface is different from the electrical specification of interface of RS485 data-interfaces, such as, RS422 is 4 line systems, full-duplex mode, RS485
For two-wire system, semiduplex mode, other electrical specification of interface, such as voltage, resistance, be all it is different, therefore, local terminal gateway
After judging that the first transport protocol type is identical with the second transport protocol type, in addition it is also necessary to judge connecing for the first data-interface
Whether mouth electrical characteristic is identical with the electrical specification of interface of target data interface, if it is not, the then address according to the peer gateway,
First service data information is sent to the peer gateway using the electrical specification of interface of target data interface.
In a kind of preferred embodiment of the invention, the local terminal gateway respectively there is an optical fiber to connect with the peer gateway
Mouthful, connected between the local terminal gateway and the peer gateway by the optical fiber interface；
Address of the local terminal gateway according to the peer gateway, second service data information is sent to described right
The step of end gateway, includes：
Address of the local terminal gateway according to the peer gateway, by the optical fiber interface, by the second business number
It is believed that breath is sent to the peer gateway.
In embodiments of the present invention, local terminal gateway is integrated with the data-interface of multiple transport protocols type, each not simultaneous interpretation
The data-interface of defeated protocol type connect respectively support correspondence transport protocol type first terminal, and the quantity of first terminal and
The transport protocol type of support is not limited, when the transport protocol type in the first service data information and local terminal gateway are default
Specified transport protocol type differ, it is possible to the first service data information is changed to the second service data information, and adopted
The second service data information is sent to peer gateway with specified transport protocol type, so, not by third party device or
In the case of scheme, the service data information that the terminal of a variety of varying numbers, support differing transmission protocols type can be sent,
It is used uniformly specified host-host protocol to send to peer gateway, both improves communication efficiency, hardware cost is reduced again, uses one
Simple transmission access device just directly can synchronously access multiple business and synchronism output multiple business so that more business
Terminal constitutes a multi-service transport network in most simple, most economical form.
Reference picture 2, shows a kind of step flowchart 2 of the transmission method embodiment of multi-protocol data of the present invention, institute
Method is stated to be applied to while accessing between the different terminals of local terminal gateway；The local terminal gateway is integrated with multiple transport protocols type
Data-interface, the data-interface of each differing transmission protocols type connects the terminal for supporting correspondence transport protocol type respectively.
In this application, local terminal gateway is except that can receive the service data information of first terminal transmission, and sends to right
Hold outside gateway, service data information can also be sent to being connected in other terminals of local terminal gateway.Certainly, peer gateway
It can realize between the different terminals of access peer gateway at the same time, transmit multi-protocol data, the embodiment of the present invention is to use
Local terminal gateway is described in detail, and is not the limitation to peer gateway.
Described method specifically may include steps of：
Step 201, the 3rd service data information that third terminal is sent is received；3rd service data information is by described
Third terminal is by supporting the 3rd data-interface of the 3rd transport protocol type to be sent to the local terminal gateway；Wherein,
3rd service data information includes the 3rd transport protocol type, business datum, and, destination address, the destination address
Include the address of local terminal gateway, and, the address of the target data interface of local terminal gateway；
In this application, destination address includes intended gateway address and target data interface IP address.Third terminal passes through branch
The data-interface for holding the 3rd transport protocol type is connected with local terminal gateway, and is believed business datum using the 3rd transport protocol type
Breath is sent to local terminal gateway.
The difference of the embodiment of the present invention and embodiment one is that the intended gateway address in the embodiment of the present invention is local terminal
The address of gateway, target data interface IP address is also the address of data-interface in local terminal gateway, and in embodiment one, target network
The address that address is then peer gateway is closed, target data interface IP address is also the address of data-interface in peer gateway, works as local terminal
Gateway sends service data information to peer gateway, and peer gateway can be believed business datum according to target data interface IP address
Breath is handled, and its processing procedure is just not related with local terminal gateway.
Step 202, the local terminal gateway determines the 4th of target data interface according to the address of the target data interface
Transport protocol type；
Step 203, when the 3rd transport protocol type is different from the 4th transport protocol type, based on described
Four transport protocol types, business datum, and destination address generate the 4th service data information；
If the 3rd transport protocol type the 4th transport protocol type corresponding with target data interface is differed, then this
The business datum for holding the protocol stack of gateway to use the 4th transport protocol type, be extracted from the 3rd service data information,
And, the location of target data interface generates the 4th service data information.
Step 204, the address according to the target data interface, by the target data interface, by the 4th industry
Business data message is sent to the 4th terminal being connected with the target data interface.
If the 3rd transport protocol type the 4th transport protocol type corresponding with target data interface is identical, then local terminal
3rd service data information is just sent directly to the 4th terminal by gateway.
In a kind of preferred embodiment of the invention, when the 3rd transport protocol type and the 4th transport protocol type
When identical, then address of the local terminal gateway according to the target data interface, by the target data interface, by described
Three service data informations are sent to the 4th terminal being connected with the target data interface.
In a kind of preferred embodiment of the invention, the data-interface also has electrical specification of interface；The local terminal
Address of the gateway according to the target data interface, by the target data interface, the 3rd service data information is sent out
The step of delivering to four terminal being connected with the target data interface includes：
The local terminal gateway obtains the electrical specification of interface of the target data interface；
Judge whether the electrical specification of interface of the 3rd data-interface is identical with the electrical specification of interface of target data interface；
If it is not, the then address according to the target data interface, using the electrical specification of interface of target data interface, by institute
The 3rd service data information is stated to send to the 4th terminal being connected with the target data interface.
For example, have all the way RS232 data from A point simultaneous transmissions to B points and C points, full duplex formula will be done between three points
Point-to-point connection is first done between any two point between 3 points, i.e., peer-to-peer communications, prior art is accomplished by：AB, AC, CB points
Three connections, each end equipment must have two interfaces.But in embodiments of the present invention, 3 points of A, B, C is directly connected to this
Hold on gateway, the data that A is sent are received by local terminal gateway, data are then respectively sent to B, C, such A, B, C pass through one
Interface is connected to local terminal gateway, can also realize the full duplex formula peer-to-peer communications between 3 points of A, B, C.
If what A was sent is RS232 data, B is to be connected by RS422 interfaces with local terminal gateway, and C is connect by RS485
Mouth is connected with local terminal gateway, then, local terminal gateway is understood the electric characteristic according to RS422, run after RS232 data are received
The parameters such as mechanism, voltage, RS232 data are sent to B, according to parameters such as RS485 electric characteristic, operating mechanism, voltages,
RS232 data are sent to C.
So, each terminal is connected to local terminal gateway by an interface just can carry out data interaction with other terminals
, the complexity of network topology had both been reduced, and because the processing to data is all completed by local terminal gateway, eliminate end
The process of data is managed, the data consumption of terminal is reduced.
It should be noted that for embodiment of the method, in order to be briefly described, therefore it to be all expressed as to a series of action group
Close, but those skilled in the art should know, the embodiment of the present invention is not limited by described sequence of movement, because according to
According to the embodiment of the present invention, some steps can be carried out sequentially or simultaneously using other.Secondly, those skilled in the art also should
Know, embodiment described in this description belongs to preferred embodiment, the involved action not necessarily present invention is implemented
Necessary to example.
Reference picture 3, shows a kind of structured flowchart of gateway apparatus of the present invention, and the gateway includes local terminal gateway and right
Hold gateway；The local terminal gateway is integrated with the data-interface of multiple transport protocols type, the number of each differing transmission protocols type
Connect the first terminal for supporting correspondence transport protocol type respectively according to interface；The peer gateway is integrated with multiple transport protocols class
The data-interface of type, the data-interface of each differing transmission protocols type is connected respectively supports the second of correspondence transport protocol type
Terminal；
Described gateway can specifically include following module：
Receiving module 301, the first service data information that the first terminal is sent is received for the local terminal gateway；Institute
The first service data information is stated by the first terminal by supporting the first data-interface quilt of first transport protocol type
Send to the local terminal gateway；Wherein, first service data information includes the first transport protocol type, business datum, with
And, destination address, the destination address includes the address of peer gateway, and, the address of the target data interface of peer gateway；
Protocol determination module 302, the address for the local terminal gateway according to the target data interface determines number of targets
According to the second transport protocol type of interface；
Modular converter 303, for when first transport protocol type is different from second transport protocol type, base
The second service data information is generated in second transport protocol type, business datum, and destination address；
Sending module 304, the address for the local terminal gateway according to the peer gateway, by second business datum
Information is sent to the peer gateway；The peer gateway is used for the address according to the target data interface, by described second
Service data information is sent to the second terminal being connected with the target data interface.
In a kind of preferred embodiment of the invention, the sending module 304 is additionally operable to work as first transport protocol type
When identical with second transport protocol type, then address of the local terminal gateway according to the peer gateway, by described first
Service data information is sent to the peer gateway；The peer gateway is used for according to the target data interface IP address, by institute
The first service data information is stated to send to the second terminal being connected with the target data interface.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related
Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, what each embodiment was stressed be with
Between the difference of other embodiment, each embodiment identical similar part mutually referring to.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can be provided as method, device or calculate
Machine program product.Therefore, the embodiment of the present invention can using complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can use it is one or more wherein include computer can
With in the computer-usable storage medium (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention is with reference to method according to embodiments of the present invention, terminal device (system) and computer program
The flow chart and/or block diagram of product is described.It should be understood that can be by computer program instructions implementation process figure and/or block diagram
In each flow and/or square frame and the flow in flow chart and/or block diagram and/or the combination of square frame.These can be provided
Computer program instructions are set to all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to produce a machine so that held by the processor of computer or other programmable data processing terminal equipments
Capable instruction is produced for realizing in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames
The device for the function of specifying.
These computer program instructions, which may be alternatively stored in, can guide computer or other programmable data processing terminal equipments
In the computer-readable memory worked in a specific way so that the instruction being stored in the computer-readable memory produces bag
The manufacture of command device is included, the command device is realized in one flow of flow chart or multiple flows and/or one side of block diagram
The function of being specified in frame or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing terminal equipments so that
Series of operation steps is performed on computer or other programmable terminal equipments to produce computer implemented processing, so that
The instruction performed on computer or other programmable terminal equipments is provided for realizing in one flow of flow chart or multiple flows
And/or specified in one square frame of block diagram or multiple square frames function the step of.
Although having been described for the preferred embodiment of the embodiment of the present invention, those skilled in the art once know base
This creative concept, then can make other change and modification to these embodiments.So, appended claims are intended to be construed to
Including preferred embodiment and fall into having altered and changing for range of embodiment of the invention.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or terminal device including a series of key elements are not only wrapped
Those key elements, but also other key elements including being not expressly set out are included, or also include being this process, method, article
Or the intrinsic key element of terminal device.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
Above to the transmission method and a kind of gateway apparatus of a kind of multi-protocol data provided by the present invention, carry out in detail
Introduce, specific case used herein is set forth to the principle and embodiment of the present invention, the explanation of above example
It is only intended to the method and its core concept for helping to understand the present invention；Simultaneously for those of ordinary skill in the art, according to this
The thought of invention, be will change in specific embodiments and applications, in summary, and this specification content should not
It is interpreted as limitation of the present invention.
Claims (10)
1. a kind of transmission method of multi-protocol data, it is characterised in that methods described be applied to local terminal gateway and peer gateway it
Between；The local terminal gateway is integrated with the data-interface of multiple transport protocols type, and the data of each differing transmission protocols type connect
Mouth connects the first terminal for supporting correspondence transport protocol type respectively；The peer gateway is integrated with multiple transport protocols type
Data-interface, the data-interface of each differing transmission protocols type is connected respectively supports correspond to transport protocol type second eventually
End；
Described method includes：
The local terminal gateway receives the first service data information that the first terminal is sent；First service data information by
The first terminal is by supporting the first data-interface of first transport protocol type to be sent to the local terminal gateway；Its
In, first service data information includes the first transport protocol type, business datum, and, destination address, the target
Location includes the address of peer gateway, and, the address of the target data interface of peer gateway；
The local terminal gateway determines the second transport protocol type of target data interface according to the address of the target data interface；
When first transport protocol type is different from second transport protocol type, based on the second host-host protocol class
Type, business datum, and destination address generate the second service data information；
Address of the local terminal gateway according to the peer gateway, second service data information is sent to the opposite end net
Close；The peer gateway is used for address according to the target data interface, by second service data information send to
The second terminal of the target data interface connection.
2. according to the method described in claim 1, it is characterised in that also include：
When first transport protocol type is identical with second transport protocol type, then the local terminal gateway is according to described
The address of peer gateway, first service data information is sent to the peer gateway；The peer gateway is used for foundation
The target data interface IP address, first service data information is sent to second be connected with the target data interface
Terminal.
3. method according to claim 2, it is characterised in that the data-interface also has electrical specification of interface；It is described
Address of the local terminal gateway according to the peer gateway, first service data information is sent to the peer gateway
Step includes：
The local terminal gateway obtains the electrical specification of interface of the target data interface；
Judge whether the electrical specification of interface of the first data-interface is identical with the electrical specification of interface of target data interface；
If it is not, the then address according to the peer gateway, using the electrical specification of interface of target data interface by first industry
Business data message is sent to the peer gateway.
4. according to the method described in claim 1, it is characterised in that the local terminal gateway has Routing Protocol table, the route
Agreement table includes multiple destination addresses, and, transport protocol type corresponding with each destination address respectively；
The local terminal gateway determines the second transport protocol type of target data interface according to the address of the target data interface
The step of include：
The local terminal gateway is matched the address of the target data interface with the destination address in the Routing Protocol table；
Obtain the destination address of matching；
Obtain transport protocol type corresponding with the destination address matched；
It regard the transport protocol type corresponding with destination address that is matching as the second transport protocol type.
5. according to the method described in claim 1, it is characterised in that the local terminal gateway has one respectively with the peer gateway
Individual optical fiber interface, is connected between the local terminal gateway and the peer gateway by the optical fiber interface；
Address of the local terminal gateway according to the peer gateway, second service data information is sent to the opposite end net
The step of pass, includes：
Address of the local terminal gateway according to the peer gateway, by the optical fiber interface, second business datum is believed
Breath is sent to the peer gateway.
6. a kind of transmission method of multi-protocol data, it is characterised in that methods described is applied to access local terminal gateway not simultaneously
With between terminal；The local terminal gateway is integrated with the data-interface of multiple transport protocols type, each differing transmission protocols type
Data-interface connect respectively support correspondence transport protocol type terminal；
Described method includes：
Receive the 3rd service data information that third terminal is sent；3rd service data information is passed through by the third terminal
The 3rd data-interface of the 3rd transport protocol type is supported to be sent to the local terminal gateway；Wherein, the 3rd business
Data message includes the 3rd transport protocol type, business datum, and, destination address, the destination address includes local terminal gateway
Address, and, the address of the target data interface of local terminal gateway；
The local terminal gateway determines the 4th transport protocol type of target data interface according to the address of the target data interface；
When the 3rd transport protocol type is different from the 4th transport protocol type, based on the 4th host-host protocol class
Type, business datum, and destination address generate the 4th service data information；
According to the address of the target data interface, by the target data interface, the 4th service data information is sent out
Deliver to the 4th terminal being connected with the target data interface.
7. method according to claim 6, it is characterised in that also include：
When the 3rd transport protocol type is identical with the 4th transport protocol type, then the local terminal gateway is according to described
The address of target data interface, by the target data interface, by the 3rd service data information send to the mesh
Mark the 4th terminal of data-interface connection.
8. method according to claim 7, it is characterised in that the data-interface also has electrical specification of interface；It is described
Address of the local terminal gateway according to the target data interface, by the target data interface, by the 3rd business number
It is believed that breath includes the step of transmission to four terminal being connected with the target data interface：
The local terminal gateway obtains the electrical specification of interface of the target data interface；
Judge whether the electrical specification of interface of the 3rd data-interface is identical with the electrical specification of interface of target data interface；
If it is not, the then address according to the target data interface, using the electrical specification of interface of target data interface, by described
Three service data informations are sent to the 4th terminal being connected with the target data interface.
9. a kind of gateway apparatus, it is characterised in that the gateway includes local terminal gateway and peer gateway；The local terminal gateway is integrated
There is the data-interface of multiple transport protocols type, the data-interface of each differing transmission protocols type connects support correspondence and passed respectively
The first terminal of defeated protocol type；The peer gateway is integrated with the data-interface of multiple transport protocols type, each not simultaneous interpretation
The data-interface of defeated protocol type connects the second terminal for supporting correspondence transport protocol type respectively；
Described gateway includes：
Receiving module, the first service data information that the first terminal is sent is received for the local terminal gateway；Described first
Service data information is by the first terminal by supporting the first data-interface of first transport protocol type to be sent to
The local terminal gateway；Wherein, first service data information includes the first transport protocol type, business datum, and, target
Address, the destination address includes the address of peer gateway, and, the address of the target data interface of peer gateway；
Protocol determination module, the address for the local terminal gateway according to the target data interface determines target data interface
Second transport protocol type；
Modular converter, for when first transport protocol type is different from second transport protocol type, based on described
Second transport protocol type, business datum, and destination address generate the second service data information；
Sending module, second service data information is sent out in the address for the local terminal gateway according to the peer gateway
Deliver to the peer gateway；The peer gateway is used for the address according to the target data interface, by the second business number
It is believed that breath is sent to the second terminal being connected with the target data interface.
10. gateway apparatus according to claim 9, it is characterised in that the sending module is additionally operable to when described first passes
When defeated protocol type is identical with second transport protocol type, then address of the local terminal gateway according to the peer gateway,
First service data information is sent to the peer gateway；The peer gateway is used for according to the target data interface
Address, first service data information is sent to the second terminal being connected with the target data interface.
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| CN201710440178.1A CN107302528A (en) | 2017-06-12 | 2017-06-12 | A kind of transmission method of multi-protocol data and a kind of gateway apparatus |
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| CN113207099A (en) * | 2021-05-10 | 2021-08-03 | 合肥工业大学 | Safe internet of things interconnection gateway based on identification and communication system thereof |
| CN113259231A (en) * | 2021-05-12 | 2021-08-13 | 中移(上海)信息通信科技有限公司 | Gateway equipment, information transmission method and device |
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Application publication date: 20171027 |