CN105933337A - Protocol forwarding method based on transparent transmission - Google Patents
Protocol forwarding method based on transparent transmission Download PDFInfo
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- CN105933337A CN105933337A CN201610472630.8A CN201610472630A CN105933337A CN 105933337 A CN105933337 A CN 105933337A CN 201610472630 A CN201610472630 A CN 201610472630A CN 105933337 A CN105933337 A CN 105933337A
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- Prior art keywords
- gateway
- main website
- table meter
- method based
- transparent transmission
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Classifications
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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
- H04L69/22—Parsing or analysis of headers
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention provides a protocol forwarding method based on transparent transmission. The protocol forwarding method comprises the following steps of: issuing combined request messages to a gateway by a master station in the form of a task; forwarding the request messages to a corresponding meter one by one by the gateway; after receiving a response message combination of the meter by the gateway, forwarding the response message combination to the master station; and analyzing response messages replied by the meter by the master station. According to the protocol forwarding method based on the transparent transmission provided by the invention, the master station issues the request messages in batches by means of issuing the task, and the gateway issues a single application message to the meter one by one and acquires responses, therefore, in this way, the problem that the uplink and downlink communication channels of the gateway are nonequivalent can be solved, uplink channel resources of the gateway are fully used, and the advantages of the gateway are combined with an AMI (Advanced Metering Infrastructure) system.
Description
Technical field
The present invention relates to the transmission field of information in electrical network, particularly to a kind of protocol forward side based on transparent transmission
Method.
Background technology
Concentrator is considered as a part indispensable in AMI (senior metering framework) framework always, for electricity
For the communication channels that traffic rate is the highest and communication reliability is poor such as energy table up PLC, RF, generally use collection
Middle device concentrated collection data are again by delivering to data center (main website) in the modes such as GPRS, 3G, Ethernet.But with
The development of intelligent grid, on the one hand, the type requirements of concentrator management table meter is got more and more, therefore, concentrator
Need to support various table meter communication protocol, the concentrator installed to be upgraded very because of newly-increased a new table meter
To changing concentrator, bring difficulty to AMI system maintenance；On the other hand, the communication information is pacified by kilowatt meter reading-out system
Complete require more and more higher, for using the intelligent meter meter of the information security technologies such as communication encryption, concentrator to
Checking meter, need the key of acquisition table meter, this causes security breaches to a certain extent, and key is easy at concentrator ring
Joint is revealed.
Gateway (Gateway) is also known as gateway, protocol converter.Gateway in Internet implementation above network interconnection,
It is the most complicated network interconnection apparatus, network interconnection, is only used for two different network interconnections of upper-layer protocol.Gateway both may be used for extensively
Territory net interconnection, it is also possible to for local area network interconnection.Gateway is a kind of computer system serving as conversion important task or equipment.
Use between the diverse two kinds of systems of different communication protocol, data form or language, even architecture,
Gateway is a translater.Pass on information different the most simply from bridge, the gateway information to receiving to be repacked,
Demand with adaptation to end system.The application message transparent transmission that main website is only communicated by gateway with electric energy meter, electric energy meter should
Need not gateway by layer communication protocol develop, autgmentability and maintainability for AMI system bring facility.Due to
Transparent transmission, Information Security Mechanism is that main website is end-to-end to table meter, and gateway is without managing the safety information of table meter, as close
Keys etc., the gateway of IT industry, due to the equity of uplink and downlink communication channel, can do man-to-man for application layer message
Pass, but for uplink communication channel this for AMI system and the asymmetric framework of downlink communication channel capacity, logical
Letter efficiency is confined to downlink communication channel, greatly wastes uplink communication channel.
Summary of the invention
The present invention provides a kind of protocol forward method based on transparent transmission, it is therefore intended that make full use of uplink communication letter
Road, is combined the advantage of Gateway with AMI.
For solve the problems referred to above, the embodiment of the present invention provide a kind of protocol forward method based on transparent transmission, including with
Lower step:
Main website is handed down to gateway with the form of task after being combined by some request messages；
Request message is transmitted to respective table meter by gateway one by one；
Gateway receive table meter response message combination after be forwarded to main website；
The response message that table meter is replied by main website resolves.
As a kind of embodiment, described main website issues gateway and gateway issues the agreement of main website by encapsulation header, prefix
With application message territory composition.
As a kind of embodiment, described main website issues encapsulation header in the protocol format of gateway and includes version number, source logic
Address, destination logical address, data length；Prefix include communication direction, protocol-identifier, service identifiers, priority,
Task number control word, report fiducial time, regularly report cycle unit, regularly report cycle, the sampled reference time,
Timing sampling cycle unit, timing sampling cycle, data pick-up multiplying power, device address number M and length L, table
Meter address；It is to include that version number, source logical address, target are patrolled that described gateway issues encapsulation header in the protocol format of main website
Collect address, data length composition；Prefix include communication direction, protocol-identifier, service identifiers, task number control word,
Table meter address number M and length L, table meter address.
As a kind of embodiment, gateway uplink communication channel is any one of mobile cellular net, Ethernet or optical fiber.
As a kind of embodiment, request message is transmitted to respective table meter, specifically includes following step by described gateway one by one
Rapid:
Single request message is matched respective table meter；
Send to table meter within the time specified；
During transmission, increase corresponding mac layer frame form according to communication channel.
As a kind of embodiment, described gateway is forwarded to main website after receiving the response message combination of table meter, specifically includes
Following steps:
Receive the response message of table meter, remove MAC layer content；
Multiple response messages are combined；
Response message after combination sends to main website plus encapsulation header and prefix.
As a kind of embodiment, described multiple response messages are combined, specifically include following steps:
Response message corresponding for table meter all of under same task number is combined.
As a kind of embodiment, described multiple response messages are combined, specifically include following steps:
Being combined according to data length point multiframe, after combination, the task number of reply and main website issue task during task
Number consistent.
As a kind of embodiment, described gateway is provided with memory module, issuing for temporarily storage main website of task and table
The message of meter response.
As a kind of embodiment, described gateway is forwarded to main website after receiving the response message combination of table meter, specifically includes
Following steps:
Retry mechanism is performed for request message failed during downlink communication, the request message of gateway retransmission failure again with
Obtain response message.
The present invention having the beneficial effects that compared to prior art: main website by the way of lower task by request message batch
Issuing, gateway forwarded one by one by message again, after receiving response, recombinant is uploaded, it is achieved the batch transparent transmission of request message,
The most both the most reciprocity problem causing the wasting of resources of uplink and downlink communication channel when gateway is applied in AMI had been solved,
The advantage of the safety, extensibility and the easy care that bring to AMI framework again, solves gateway and applies on AMI
Limitation.Gateway need not the key of storage table meter, so, is that main website is end-to-end to table meter with the communication security of table meter
, safety can be improved.Along with the development of intelligent grid, in newly-increased table timing, it is no longer necessary to upgrade or change gateway,
Extension phenotype, agreement etc. is the most unrestricted, it is only necessary to increase corresponding management and agreement in main website side, it is achieved can
The advantage of autgmentability；In newly-increased table timing, it is only necessary to carry out software upgrading in main website, the operation cost greatly reduced,
The advantage realizing easy care.
Accompanying drawing explanation
Fig. 1 is the mechanism choice of a kind of protocol forward method based on transparent transmission of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, to the present invention, above-mentioned and other technical characteristic and advantage are clearly and completely described,
Obviously, described embodiment is only the section Example of the present invention rather than whole embodiment.
As it is shown in figure 1, the present invention proposes a kind of protocol forward method based on transparent transmission, comprise the following steps:
S100: main website is handed down to gateway with the form of task after being combined by some request messages；
The effect of step S100 is exactly the self-defining of protocol format, is issued with the form batch of task by request message.
Between main website and gateway, the definition of descending (i.e. main website is sent to gateway) protocol format is as shown in table 1.Form is main
Be divided into three parts: encapsulation header, prefix and application message territory, wherein encapsulation header definition protocol version, source logical address,
The information such as destination logical address, data length, prefix then defines communication direction, protocol-identifier, service identifiers, preferential
Level, task number control word, report fiducial time, regularly report cycle unit, regularly report cycle, sampled reference time
Between, timing sampling cycle unit, the timing sampling cycle, data pick-up multiplying power, device address number M and length L,
The information such as table meter address, application message territory then defines the request message for table meter.
Table 1
S200: request message is transmitted to one by one respective table meter by gateway within the time specified；
The effect of step S200 is that the request message of main website is transmitted to corresponding table meter one by one.Concrete implementation process
Including herein below:
(1) request message is matched respective table meter；(2) within the time specified, request message is sent to table meter；
(3), when sending, corresponding mac layer frame form is increased according to communication channel.
After S300: gateway receives the response message of table meter, recombinant is forwarded to main website together；
The effect of step S300 is that the response message after the response of table meter is forwarded to main website in combination.Concrete reality
The process of executing includes herein below:
(1) receive the response message of table meter, remove MAC layer content；(2) multiple response messages are combined；(3)
Response message after combination sends to main website plus encapsulation header and prefix.
As a kind of embodiment, gateway exists after having performed the request message that under a certain task number, all of table meter is corresponding again
Reporting stipulated time unification to be returned to main website, certainly, gateway can be returned to main website according to data length point multiframe, replys
Task number task number when issuing task with main website consistent.Request message failed during downlink communication is performed to retry
Mechanism, the request message of gateway retransmission failure again is to obtain response message.
Between main website and gateway, the definition of up (i.e. gateway is sent to main website) protocol format is as shown in table 2.Form is main
Be divided into three parts: encapsulation header, prefix and application message territory, wherein encapsulation header definition protocol version, source logical address,
The information such as destination logical address, data length, prefix then defines communication direction, protocol-identifier, service identifiers, task
Number control word, table meter address number M and the information such as length L, table meter address, application message territory then defines for table
The response message of meter.
S400: resolved response message by main website, completes the communication of main website and table meter.
Gateway is provided with memory module, the message of response based on issuing by temporarily storage main website of task and table.Gateway stores
The response message that table meter is replied, even if gateway the most successfully will deliver to main website on it, main website can also according to task number and
Table number mend read this request message by avoid the need for again descending task to gateway from table in terms of acquisition data.According to management table meter
Quantity can configure the gateway of different capabilities.
Gateway uplink communication channel is generally the matchmaker that the speed such as mobile cellular net, Ethernet, optical fiber are high, support long message
It is situated between, and due to the restriction of down channel, gateway downlink communication only allows the message of certain byte length byte.Therefore,
Request message batch is issued by the way of lower task by main website, takes full advantage of the resource of gateway uplink communication channel,
Single request message is issued to table meter and obtains response by gateway the most one by one.By such mode, solve gateway
The problem that uplink and downlink communication channel is the most reciprocity, takes full advantage of channel resource.
The present invention proposes a kind of protocol forward method based on transparent transmission, and request is reported by the way of lower task by main website
Literary composition batch issues, gateway forwarded one by one by message again, and after receiving response, recombinant is uploaded, it is achieved criticizing of request message
Amount transparent transmission, had the most both solved that uplink and downlink communication channel when gateway is applied in AMI is the most reciprocity causes the wasting of resources
Problem, the advantage of safety, extensibility and easy care bringing to again AMI framework, solve gateway at AMI
The limitation of upper application.Along with the development of intelligent grid, in newly-increased table timing, not at needs upgrading or replacing gateway, and
Only need to carry out software upgrading in main website, the operation cost greatly reduced.
Particular embodiments described above, has been carried out further the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, it will be appreciated that the foregoing is only the specific embodiment of the present invention, be not intended to limit the present invention
Protection domain.Particularly point out, to those skilled in the art, all within the spirit and principles in the present invention,
Any modification, equivalent substitution and improvement etc. done, should be included within the scope of the present invention.
Claims (10)
1. a protocol forward method based on transparent transmission, it is characterised in that comprise the following steps:
Main website is handed down to gateway with the form of task after being combined by some request messages；
Request message is transmitted to respective table meter by gateway one by one；
Gateway receive table meter response message combination after be forwarded to main website；
The response message that table meter is replied by main website resolves.
Protocol forward method based on transparent transmission the most according to claim 1, it is characterised in that described master
Gateway is issued at station and gateway issues the agreement of main website by encapsulation header, prefix and application message territory composition.
Protocol forward method based on transparent transmission the most according to claim 2, it is characterised in that described master
Station is issued encapsulation header in the protocol format of gateway and is included version number, source logical address, destination logical address, data length；
Prefix include communication direction, protocol-identifier, service identifiers, priority, task number control word, report fiducial time,
Regularly report cycle unit, regularly report cycle, sampled reference time, timing sampling cycle unit, timing sampling week
Phase, data pick-up multiplying power, device address number M and length L, table meter address；Described gateway issues the association of main website
In view form, encapsulation header is to include version number, source logical address, destination logical address, data length composition；Prefix bag
Include communication direction, protocol-identifier, service identifiers, task number control word, table meter address number M and length L, table
Meter address.
Protocol forward method based on transparent transmission the most according to claim 1, it is characterised in that on gateway
Row communication channel is any one of mobile cellular net, Ethernet or optical fiber.
Protocol forward method based on transparent transmission the most according to claim 1, it is characterised in that described net
Close and request message be transmitted to respective table meter one by one, specifically include following steps:
Single request message is matched respective table meter；
Send to table meter within the time specified；
During transmission, increase corresponding mac layer frame form according to communication channel.
Protocol forward method based on transparent transmission the most according to claim 1, it is characterised in that described net
Close and be forwarded to main website after receiving the response message combination of table meter, specifically include following steps:
Receive the response message of table meter, remove MAC layer content；
Multiple response messages are combined；
Response message after combination sends to main website plus encapsulation header and prefix.
Protocol forward method based on transparent transmission the most according to claim 6, it is characterised in that described general
Multiple response messages combine, and specifically include following steps:
Response message corresponding for table meter all of under same task number is combined.
Protocol forward method based on transparent transmission the most according to claim 6, it is characterised in that described general
Multiple response messages combine, and specifically include following steps:
Being combined according to data length point multiframe, after combination, the task number of reply and main website issue task during task
Number consistent.
Protocol forward method based on transparent transmission the most according to claim 1, it is characterised in that described net
Pass is provided with memory module, the message of response based on issuing by temporarily storage main website of task and table.
Protocol forward method based on transparent transmission the most according to claim 1, it is characterised in that described net
Close and be forwarded to main website after receiving the response message combination of table meter, specifically include following steps:
Retry mechanism is performed for request message failed during downlink communication, the request message of gateway retransmission failure again with
Obtain response message.
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106846781A (en) * | 2017-01-20 | 2017-06-13 | 中国电力科学研究院 | A kind of method and system of the communication module of automatic identification centralized automatic meter-reading collector |
| CN108171957A (en) * | 2016-12-07 | 2018-06-15 | 中兴通讯股份有限公司 | Meter register method and device, system, communication gate |
| CN108848118A (en) * | 2018-03-29 | 2018-11-20 | 杭州海兴电力科技股份有限公司 | The electrical integrated communication apparatus of the means of communication, adapted and system |
| CN109561073A (en) * | 2018-10-30 | 2019-04-02 | 视联动力信息技术股份有限公司 | A kind of transparent transmission system and method based on view networking |
| CN109740699A (en) * | 2018-04-20 | 2019-05-10 | 京东方科技集团股份有限公司 | For managing the gateway and method of multiple electronic tags |
| CN109949561A (en) * | 2019-03-29 | 2019-06-28 | 中海石油气电集团有限责任公司 | A kind of LNG tank case data transmission method based on Beidou technology |
| CN110768887A (en) * | 2019-09-20 | 2020-02-07 | 杭州海兴电力科技股份有限公司 | IPv 6-based power gateway system and power data uploading/issuing method |
| CN111010351A (en) * | 2019-12-10 | 2020-04-14 | 新奥数能科技有限公司 | Internet of things data transmission method and system |
| CN114172979A (en) * | 2021-12-02 | 2022-03-11 | 上海电力设计院有限公司 | Message parsing method, platform, gateway and storage medium |
| CN114786073A (en) * | 2022-06-17 | 2022-07-22 | 广东卓维网络有限公司 | Method, device, equipment and medium for accessing non-standard meter to metering automation system |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108171957A (en) * | 2016-12-07 | 2018-06-15 | 中兴通讯股份有限公司 | Meter register method and device, system, communication gate |
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| CN109561073A (en) * | 2018-10-30 | 2019-04-02 | 视联动力信息技术股份有限公司 | A kind of transparent transmission system and method based on view networking |
| CN109949561A (en) * | 2019-03-29 | 2019-06-28 | 中海石油气电集团有限责任公司 | A kind of LNG tank case data transmission method based on Beidou technology |
| CN110768887A (en) * | 2019-09-20 | 2020-02-07 | 杭州海兴电力科技股份有限公司 | IPv 6-based power gateway system and power data uploading/issuing method |
| CN111010351A (en) * | 2019-12-10 | 2020-04-14 | 新奥数能科技有限公司 | Internet of things data transmission method and system |
| CN111010351B (en) * | 2019-12-10 | 2024-03-08 | 新奥数能科技有限公司 | Internet of things data transmission method and system |
| CN114172979A (en) * | 2021-12-02 | 2022-03-11 | 上海电力设计院有限公司 | Message parsing method, platform, gateway and storage medium |
| CN114786073A (en) * | 2022-06-17 | 2022-07-22 | 广东卓维网络有限公司 | Method, device, equipment and medium for accessing non-standard meter to metering automation system |
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