CN109660370A - A kind of equipment communication means of digit broadcasting system - Google Patents
A kind of equipment communication means of digit broadcasting system Download PDFInfo
- Publication number
- CN109660370A CN109660370A CN201910014405.3A CN201910014405A CN109660370A CN 109660370 A CN109660370 A CN 109660370A CN 201910014405 A CN201910014405 A CN 201910014405A CN 109660370 A CN109660370 A CN 109660370A
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- CN
- China
- Prior art keywords
- equipment
- communication
- message
- communication layers
- operation layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/16—Arrangements for providing special services to substations
- H04L12/18—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/14—Session management
- H04L67/143—Termination or inactivation of sessions, e.g. event-controlled end of session
- H04L67/145—Termination or inactivation of sessions, e.g. event-controlled end of session avoiding end of session, e.g. keep-alive, heartbeats, resumption message or wake-up for inactive or interrupted session
Abstract
The invention discloses a kind of equipment communication means of digit broadcasting system, including, independent communication layers and operation layer are marked off in broadcast system, and call the communication layers to be communicated with the equipment using operation layer.Its architecture design being layered in broadcast system first, is responsible for the communication channel of system and equipment by communication layers, and operation layer carries out instruction interaction by the interface and equipment of communication layers.Communication mode of its downlink communication based on TCP long connection, being capable of quick sensing communication connection disconnection.Message caching mechanism ensures that important service message is sent to equipment and does not lose or omit, and uplink communication uses the data transmission channel of TLS standard, guarantees the confidentiality and integrality of data.
Description
Technical field
The present invention relates to digital broadcast communications technical fields, logical in particular to a kind of equipment of digit broadcasting system
Letter method.
Background technique
The server-side of digit broadcasting system common at present is communicated with equipment is generally basede on the privately owned communication that udp protocol defines
Agreement.There is no the distinguishing hierarchy of specific communication layers and operation layer in system, equipment communication and broadcast service cannot be decoupled well
Business, is unfavorable for the dilatation of system, the number of devices of system access is restricted.
Equipment periodically sends heartbeat message to server-side, and server-side judges equipment off-line by heartbeat message time-out, by
Equipment off-line can be just thought after being likely to occur packet loss server-side in UDP message it needs to be determined that not receiving the heartbeat of equipment several times, if
It is standby to be also required to determine that the heartbeat response for not receiving server several times just be thought to disconnect with server-side.It is such the disadvantage is that being
System all quickly cannot connect disconnection by aware communications with equipment.
The aforementioned discussion of background technique is intended merely to be easy to understand the present invention.The material referred to is not approved or is recognized in this discussion
Any one of be in the priority date of the application or be once public common sense a part.
Summary of the invention
The invention proposes a kind of equipment communication means of digit broadcasting system, the method includes,
Independent communication layers and operation layer are marked off in broadcast system, and call the communication layers and institute using operation layer
Equipment is stated to be communicated.
Further, the operation layer issues control instruction to the equipment, the uplink of the equipment by HTTP interface
Message is forwarded to operation layer by message queue by communication layers.
Further, TCP long connection communication is carried out based on Internet of Things communication protocol between the equipment and server-side, it is described wide
Broadcasting system is that each equipment distributes one group of unique sequence number and device keys, and after equipment is connected to server-side, server-side is first
The legitimacy of equipment is verified, the equipment only authorized can be with access system, and being verified rear communication layers can notify immediately
Operation layer equipment is online.
Further, equipment disconnects rear communication layers with communication layers and notifies operation layer equipment offline immediately.
Further, the communication channel of the equipment and server-side uses the data transmission channel of TLS standard.
Further, the operation layer and communication layers use distributed deployment mode, and can be according to number of devices scale
Carry out extending transversely, the number of devices of access is unrestricted.
Further, the communication layers have message caching mechanism, and message is divided into 0,1 two kind of rank, and sender understands cache level
Not Wei 1 message, the confirmation message until receiving recipient；When there is the case where equipment broken string, server-side can wait equipment next
The message of caching is retransmitted after successful connection.
The present invention is also equipped with following advantages:
1, system and equipment can quickly aware communications establishment of connection and disconnections.Equipment can be fast when connection disconnects
Speed is switched to other backup paths, such as analogue back-up.
2, communication layers and the specific hierarchical relationship of operation layer, communication layers are that operation system is logical to reliable and stable equipment is provided
Believe channel, the development cost of operation system is effectively reduced.
3, it is illegal can to effectively reduce equipment using TLS transmission channel for the equipment authentication mechanism close using a machine one
The security risk of control guarantees that broadcast system broadcasts safe and reliable.
4, communication layers and operation layer ability extending transversely solve the communication pressure of bulk device access.
Detailed description of the invention
From following description with reference to the accompanying drawings it will be further appreciated that the present invention.Component in figure is not drawn necessarily to scale,
But it focuses on and shows in the principle of embodiment.In different views, identical appended drawing reference specifies corresponding part.
Fig. 1 is the equipment communication scheme of digit broadcasting system of the invention.
Specific embodiment
In order to enable the objectives, technical solutions, and advantages of the present invention are more clearly understood, below in conjunction with embodiment, to this
Invention is further elaborated；It should be appreciated that described herein, the specific embodiments are only for explaining the present invention, and does not have to
It is of the invention in limiting.To those skilled in the art, after access is described in detail below, other systems of the present embodiment
System, method and/or feature will become obvious.All such additional systems, method, feature and advantage are intended to be included in
It in this specification, is included within the scope of the invention, and by the protection of the appended claims.In description described in detail below
The other feature of the disclosed embodiments, and these characteristic roots will be apparent according to described in detail below.
Embodiment one:
The present embodiment constructs a kind of equipment communication means of digit broadcasting system, the method includes,
Independent communication layers and operation layer are marked off in broadcast system, and call the communication layers and institute using operation layer
Equipment is stated to be communicated.
The operation layer issues control instruction to the equipment by HTTP interface, and the upstream message of the equipment is by communicating
Layer is forwarded to operation layer by message queue.TCP long connection is carried out based on Internet of Things communication protocol between the equipment and server-side
Communication, the broadcast system is that each equipment distributes one group of unique sequence number and device keys, after equipment is connected to server-side,
Server-side first verifies the legitimacy of equipment, and the equipment only authorized can be verified rear communication layers with access system
Operation layer equipment can be notified online immediately.Equipment disconnects rear communication layers with communication layers and notifies operation layer equipment offline immediately.
The communication channel of the equipment and server-side uses the data transmission channel of TLS standard.
The operation layer and communication layers use distributed deployment mode, and lateral expansion can be carried out according to number of devices scale
Exhibition, the number of devices of access are unrestricted.The communication layers have message caching mechanism, and message is divided into 0,1 two kind of rank, sender's meeting
Cache the message that rank is 1, the confirmation message until receiving recipient；When there is the case where equipment broken string, server-side can be waited and be set
The message of caching is retransmitted after standby successful connection next time.
Embodiment two:
The present embodiment provides another application scenarios of the invention, as shown in Figure 1, it is independently marked off from broadcast system
The communication layers that server-side is communicated with equipment, operation layer are communicated based on the interface that communication layers provide with equipment.Operation layer calls
The HTTP interface of communication layers sends control instruction to equipment.The message of equipment uplink is forwarded to industry by message queue by communication layers
Business layer.
It is communicated between equipment and server-side using TCP long connection, and is based on Internet of Things communication protocol.System is each
Equipment distributes one group of unique sequence number and device keys, and after equipment is connected to server-side, server-side is first to the legal of equipment
Property is verified, and the equipment only authorized can be with access system.Being verified rear communication layers can notify immediately in operation layer equipment
Line.Due to using TCP connection, equipment, which disconnects rear communication layers with communication layers, to notify operation layer equipment offline immediately.
The communication channel of equipment and server-side uses the data transmission channel of TLS standard, guarantee the confidentialities of data with it is complete
Whole property.Operation layer, communication layers use distributed deployment mode, can be extending transversely according to the progress of number of devices scale, access
Number of devices is unrestricted.
Communication layers have message caching mechanism, and message is divided into 0,1 two kind of rank, and sender can cache the message that rank is 1, directly
To the confirmation message for receiving recipient.When there is the case where equipment broken string, server-side can be waited after equipment successful connection next time again
Send the message of caching.
In the present invention, the architecture design being layered in broadcast system, communication layers are responsible for the communication channel of system and equipment, industry
Business layer carries out instruction interaction by the interface and equipment of communication layers.Based on the communication mode of TCP long connection, quick sensing communication link
Connect disconnection.Message caching mechanism ensures that important service message is sent to equipment and does not lose or omit, and uses TLS standard
Data transmission channel, guarantee the confidentiality and integrality of data.
Embodiment three:
This gives another concrete application scene of this method, basic framework as previously mentioned, and its answer
For Centos7 operating system comprising following steps
1. Message Queuing Services are installed: being installed on the computer for being equipped with Centos7 operating system, run message queue
Service；
2. communication layers service routine is installed: on the computer for being equipped with Centos7 operating system, installing communication layers service
Program.
3. operation layer service routine is installed: on the computer for being equipped with Centos7 operating system, installing and run business
Layer service routine.
The sequence number and device keys of writing system distribution, communicate domain name and the port of stratum server when 4. equipment is dispatched from the factory,
Equipment plugs and obtains IP address automatically by Dynamic Host Configuration Protocol server after cable, and is actively connected to communication layers service.
5. initiating equipment authentication first after connection is established in equipment and communication layers service, certification is passed through by rear communication layers
Message queue sending device on-line message is to operation layer.Operation layer can call communication layers HTTP after receiving equipment on-line message
Interface sends the control instruction of the business such as broadcast, timed task, volume control to equipment, can also be set from message queue
The information such as the message, such as equipment state, input port state, task execution situation of standby uplink.
Although describing the present invention by reference to various embodiments above, but it is to be understood that of the invention not departing from
In the case where range, many changes and modifications can be carried out.That is methods discussed above, system or equipment etc. show
Example.Various configurations can be omitted suitably, replace or add various processes or component.For example, in alternative configuration, can with
Described order in a different order executes method, and/or can add, and omits and/or combine the various stages.Moreover, about
The feature of certain configuration descriptions can be combined with various other configurations.Can combine in a similar way configuration different aspect and
Element.In addition, many elements are only range of the example without limiting the disclosure or claims with the development of technology.
Give detail in the description to provide to the thorough understanding for including the exemplary configuration realized.However,
Configuration can be practiced without these specific details for example, having been illustrated with well-known circuit, process, calculation
Method, structure and technology are without unnecessary details, to avoid fuzzy configuration.The description only provides example arrangement, and unlimited
The scope of the claims processed, applicability or configuration.It is used on the contrary, front will provide the description of configuration for those skilled in the art
Realize the enabled description of described technology.It, can be to the function of element without departing from the spirit or the scope of the present disclosure
It can and arrange and carry out various changes.
In addition, many operations can be in parallel or concurrently although each operation can describe the operations as sequential process
It executes.Furthermore it is possible to rearrange the sequence of operation.One process may have other steps.Furthermore, it is possible to pass through hardware, soft
Part, firmware, middleware, code, hardware description language or any combination thereof carry out the example of implementation method.When software, firmware, in
Between when realizing in part or code, program code or code segment for executing necessary task can store in such as storage medium
In non-transitory computer-readable medium, and described task is executed by processor.
To sum up, be intended to foregoing detailed description be considered as it is illustrative and not restrictive, and it is to be understood that described
Claim (including all equivalents) is intended to limit the spirit and scope of the present invention.The above embodiment is interpreted as only using
In illustrating the present invention rather than limit the scope of the invention.After the content for having read record of the invention, technology
Personnel can make various changes or modifications the present invention, these equivalence changes and modification equally fall into the claims in the present invention and limited
Fixed range.
Claims (7)
1. a kind of equipment communication means of digit broadcasting system, which is characterized in that the method includes,
Independent communication layers and operation layer are marked off in broadcast system, and call the communication layers to set with described using operation layer
It is standby to be communicated.
2. the method as described in claim 1, which is characterized in that the operation layer issues control instruction to institute by HTTP interface
Equipment is stated, the upstream message of the equipment is forwarded to operation layer by message queue by communication layers.
3. method according to claim 2, which is characterized in that between the equipment and server-side based on Internet of Things communication protocol into
Row TCP long connection communication, the broadcast system are that each equipment distributes one group of unique sequence number and device keys, equipment connection
To after server-side, server-side first verifies the legitimacy of equipment, and the equipment only authorized can be verified logical with access system
Later communication layers can notify immediately operation layer equipment online.
4. method as claimed in claim 3, which is characterized in that equipment and communication layers disconnect rear communication layers and notify industry immediately
Layer equipment of being engaged in is offline.
5. method as claimed in claim 4, which is characterized in that the communication channel of the equipment and server-side uses TLS standard
Data transmission channel.
6. method as claimed in claim 5, which is characterized in that the operation layer and communication layers use distributed deployment mode,
And can be extending transversely according to the progress of number of devices scale, the number of devices of access is unrestricted.
7. method as claimed in claim 6, which is characterized in that the communication layers have message caching mechanism, and message is divided into 0,1 liang
Kind rank, sender can cache the message that rank is 1, the confirmation message until receiving recipient；When the feelings for equipment broken string occur
Condition, server-side can wait the message that caching is retransmitted after equipment successful connection next time.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014405.3A CN109660370A (en) | 2019-01-08 | 2019-01-08 | A kind of equipment communication means of digit broadcasting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910014405.3A CN109660370A (en) | 2019-01-08 | 2019-01-08 | A kind of equipment communication means of digit broadcasting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109660370A true CN109660370A (en) | 2019-04-19 |
Family
ID=66119462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910014405.3A Pending CN109660370A (en) | 2019-01-08 | 2019-01-08 | A kind of equipment communication means of digit broadcasting system |
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Cited By (2)
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| CN112261037A (en) * | 2020-10-20 | 2021-01-22 | 上海挚想科技有限公司 | Decoupling transmission method and system with separated communication layer and service layer |
| CN116366720A (en) * | 2021-12-27 | 2023-06-30 | 合肥登登立科技有限公司 | Network method, device, equipment and storage medium based on TLS middle man-in-the-art |
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Application publication date: 20190419 |
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