CN107317736A - Space flight Ethernet time triggered compatible bus architectural framework communication means - Google Patents
Space flight Ethernet time triggered compatible bus architectural framework communication means Download PDFInfo
- Publication number
- CN107317736A CN107317736A CN201710514608.XA CN201710514608A CN107317736A CN 107317736 A CN107317736 A CN 107317736A CN 201710514608 A CN201710514608 A CN 201710514608A CN 107317736 A CN107317736 A CN 107317736A
- Authority
- CN
- China
- Prior art keywords
- data
- time
- transmission
- time triggered
- kinds
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40143—Bus networks involving priority mechanisms
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/40—Bus networks
- H04L12/40143—Bus networks involving priority mechanisms
- H04L12/40163—Bus networks involving priority mechanisms by assigning priority to messages according to a message field
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Small-Scale Networks (AREA)
Abstract
The invention belongs to space communication field, to propose unified fusion transmission network bus new architecture, in consolidated network bus both can in real time, be reliably completed control information transmission, again can high speed the transmission for completing big data quantity information.Therefore, the technical solution adopted by the present invention is, space flight Ethernet time triggered compatible bus architectural framework communication means transmits the data frame of three kinds of different priorities：Order corresponding data, IT application data and time triggered data, three kinds of different types of data realize the transmission of different priorities between MAC layer and IP layers by multi-business scheduling, three kinds of data frames all use standard ethernet frame format, only because causing the value in type domains different by the encapsulation of different agreement.Present invention is mainly applied to space communication occasion.
Description
Technical field
The invention belongs to space communication field, space flight Ethernet field.Concretely relate to space flight Ethernet time triggered simultaneous
Hold bus architecture framework communication means.
Background technology
With making constant progress for Space Science and Technology, space technology benefits the whole mankind extensively in civil area, especially
Unprecedented height has been reached in fields such as space exploration, satellite navigation, meteorological observation and extraterrestrial life explorations.But simultaneously
The increasingly complicated of spacecraft total system is also result in, though experienced the multiple update of electronic technology, each unit is set
Standby disposal ability has obtained tremendous increase, but the interconnection Transmission system of equipment room shows slightly backward.
The advantage of time triggered Ethernet be time determinability, fault-tolerant fault mechanism, high real-time and tradition as possible and
It is combined for business.Possess the completely compatible property to standard ethernet, effective management of access control, effective utilization of resources
Rate, expansible fault tolerant mechanism and accurate system diagnostics and well comprehensive etc..
Ethernet technologies developed over more than 30 years, and it is applied with roomy, cost is low, the common recognition simple in construction as everybody
Scope has penetrated into all trades and professions of society：Control, ship, airborne, vehicle-mounted, office space, Safety-Critical System etc. are produced,
Application prospect is inestimable.But Ethernet, which is applied to high real-time, Safety-Critical System, can not solve real-time and certainty
Problem, this key issue must be solved by being applied to these occasions to this Ethernet.The proposition of TTE technologies is solved
Ethernet real-time and certain problem, while support a variety of (single or multiple passage) communication plans to be selected for user, can
High requirement of real time, the demand of Safety-Critical System are met, is the real-time network technology of great development prospect.
Ethernet has the high and low power consumption of transmission speed, be easily installed and compatibility it is good in terms of advantage, and support almost
All popular procotols, so being widely adopted for many years.Existing bus system standard disunity, poor compatibility.Pass
The Ethernet of system uses bus type topological structure, and in condition more severe industrial environment, the failure of network may cause
Large-scale network paralysis, therefore there is engineering practical value to the research of Ethernet.
The content of the invention
To overcome the deficiencies in the prior art, the present invention is directed to propose unified fusion transmission network bus new architecture, same
In one network-bus both can in real time, be reliably completed control information transmission, again can high speed completion big data quantity information
Transmission.Therefore, the technical solution adopted by the present invention is, space flight Ethernet time triggered compatible bus architectural framework communication means,
Transmit the data frame of three kinds of different priorities：Order corresponding data, IT application data and time triggered data, three kinds of different types
Data the transmission of different priorities is realized by multi-business scheduling between MAC layer and IP layers, three kinds of data frames are all adopted
Standard ethernet frame format is used, only because causing the value in type domains different by the encapsulation of different agreement, specifically：
(1) time triggered data
In three kinds of data flows that the framework is supported, time triggered data have TP top priority in whole system,
The type ethernet frame is transmitted using contention mode.Time triggered data both can be with passage time triggering service directly incoming bottom
Layer, can also be by traditional incoming bottom of ICP/IP protocol, when nodal clock reaches the configuration transmission time trigger data time
Point, communication link will soar all data transmitted, and be transferred to as time triggered data, services, it is ensured that time triggered data
Can Lothrus apterus, N-free diet method transmission；
(2) command response data
Command response data are possible to wait in line in the network switch, with ensure the Lothrus apterus of time triggered data without
Etc. to be transmitted, command response data can both be directly entered bottom by transmission control protocol can also first pass through traditional TCP/
IP agreement enters back into bottom；
(3) IT application data
IT application data are simplest service datas, and priority is minimum, and IT application data do not need high real-time, pass through
The incoming bottom of basic ICP/IP protocol, to ensure that time triggered data are high in real time, highly reliable transmission.
Further：
(1) time triggered data have TP top priority in whole system, and time triggered data both can be with passage time
Triggering service directly incoming bottom, can also pass through traditional incoming bottom of ICP/IP protocol；
(2) command response data can be both directly entered by transmission control protocol bottom can also first pass through it is traditional
ICP/IP protocol enters back into bottom；
(3) IT application data do not need high real-time, therefore can be by the basic incoming bottom of ICP/IP protocol, to protect
Demonstrate,prove time triggered data high in real time, highly reliable transmission.
The features of the present invention and beneficial effect are：
The present invention proposes unified time triggered compatible transmission network-bus framework, both can be with consolidated network bus
In real time, be reliably completed control information transmission, again can high speed completion big data quantity information transmission, while have safety can
Letter measure, it is ensured that the safety and reliability of key message transmission.
Brief description of the drawings：
Fig. 1 time triggered compatible protocol bus architectures.
Embodiment
Time triggered compatible protocol bus architecture is as shown in Figure 1.
Time triggered compatible protocol framework supports the network model of various real-time and demands for security, for example with TCP/IP
The Real Data Exchangs carried out on layer, the centralized dispatching real-time network system of ethernet mac layer, and compatibility standard Ethernet
Agreement.
Time triggered compatible protocol framework transmits the data frame of three kinds of different priorities：Order corresponding data, IT application number
According to time triggered data.Three kinds of different types of data are realized different excellent between MAC layer and IP layers by multi-business scheduling
The transmission of first level.
These three frames all use standard ethernet frame format, only because causing type domains by the encapsulation of different agreement
Value it is different.
(1) time triggered data
In three kinds of data flows that the framework is supported, time triggered data have TP top priority in whole system,
The type ethernet frame is transmitted using contention mode.Time triggered data both can be with passage time triggering service directly incoming bottom
Layer, can also pass through traditional incoming bottom of ICP/IP protocol.When nodal clock reaches the configuration transmission time trigger data time
Point, communication link will soar all data transmitted, and be transferred to as time triggered data, services.Ensure time triggered data
Can Lothrus apterus, N-free diet method transmission.
(2) command response data
Command response data real-time compared with time triggered data is relatively low, therefore command response data are possible in network
Wait in line in interchanger, transmitted with the Lothrus apterus N-free diet method for ensureing time triggered data.Command response data can both pass through
Transmission control protocol, which is directly entered bottom and can also first pass through traditional ICP/IP protocol, enters back into bottom.
(3) IT application data
IT application data are simplest service datas, therefore its priority is minimum.IT application data need not be high real
Shi Xing, therefore the basic incoming bottom of ICP/IP protocol, to ensure that time triggered data are high in real time, highly reliable biography can be passed through
It is defeated.
In an example of the present invention：
(1) time triggered data have TP top priority in whole system, and time triggered data both can be with passage time
Triggering service directly incoming bottom, can also pass through traditional incoming bottom of ICP/IP protocol.
(2) command response data can be both directly entered by transmission control protocol bottom can also first pass through it is traditional
ICP/IP protocol enters back into bottom.
(3) IT application data do not need high real-time, therefore can be by the basic incoming bottom of ICP/IP protocol, to protect
Demonstrate,prove time triggered data high in real time, highly reliable transmission.
Claims (2)
1. a kind of space flight Ethernet time triggered compatible bus architectural framework communication means, it is characterized in that, three kinds of differences of transmission are excellent
The data frame of first level：Order corresponding data, IT application data and time triggered data, three kinds of different types of data are in MAC layer
And the transmission of different priorities is realized between IP layers by multi-business scheduling, three kinds of data frames all use standard ethernet frame
Form, only because causing the value in type domains different by the encapsulation of different agreement, specifically：
(1) time triggered data
In three kinds of data flows that the framework is supported, time triggered data have TP top priority in whole system, such
Type ethernet frame is transmitted using contention mode.Time triggered data both can service directly incoming bottom with passage time triggering,
, when nodal clock reaches configuration transmission time trigger data time point, it can be led to by traditional incoming bottom of ICP/IP protocol
Letter link will soar all data transmitted, and be transferred to as time triggered data, services, it is ensured that time triggered data energy nothing
Conflict, N-free diet method transmission；
(2) command response data
Command response data are possible to wait in line in the network switch, to ensure the Lothrus apterus N-free diet method of time triggered data
Transmission, command response data can both be directly entered bottom by transmission control protocol can also first pass through traditional TCP/IP associations
View enters back into bottom；
(3) IT application data
IT application data are simplest service datas, and priority is minimum, and IT application data do not need high real-time, by basic
The incoming bottom of ICP/IP protocol, to ensure that time triggered data are high in real time, highly reliable transmission.
2. space flight Ethernet time triggered compatible bus architectural framework communication means as claimed in claim 1, it is characterized in that, enter
One step：
(1) time triggered data have TP top priority in whole system, and time triggered data can both be triggered with passage time
Service directly incoming bottom, can also pass through traditional incoming bottom of ICP/IP protocol；
(2) command response data can both be directly entered bottom by transmission control protocol can also first pass through traditional TCP/IP
Agreement enters back into bottom；
(3) IT application data do not need high real-time, therefore can be by the basic incoming bottom of ICP/IP protocol, during ensureing
Between trigger data it is high in real time, highly reliable transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514608.XA CN107317736A (en) | 2017-06-29 | 2017-06-29 | Space flight Ethernet time triggered compatible bus architectural framework communication means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710514608.XA CN107317736A (en) | 2017-06-29 | 2017-06-29 | Space flight Ethernet time triggered compatible bus architectural framework communication means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107317736A true CN107317736A (en) | 2017-11-03 |
Family
ID=60180921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710514608.XA Pending CN107317736A (en) | 2017-06-29 | 2017-06-29 | Space flight Ethernet time triggered compatible bus architectural framework communication means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107317736A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712224A (en) * | 2018-05-10 | 2018-10-26 | 西安电子科技大学 | The maximum matched time triggered traffic scheduling table generating method of minimal time delay |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1602017A (en) * | 2004-09-02 | 2005-03-30 | 上海交通大学 | Realtime medium access control method compatible with ethernet |
| CN105991384A (en) * | 2016-06-23 | 2016-10-05 | 天津大学 | Communication method for aerospace Ethernet compatible with time-triggered Ethernet and 1553B |
-
2017
- 2017-06-29 CN CN201710514608.XA patent/CN107317736A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1602017A (en) * | 2004-09-02 | 2005-03-30 | 上海交通大学 | Realtime medium access control method compatible with ethernet |
| CN105991384A (en) * | 2016-06-23 | 2016-10-05 | 天津大学 | Communication method for aerospace Ethernet compatible with time-triggered Ethernet and 1553B |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108712224A (en) * | 2018-05-10 | 2018-10-26 | 西安电子科技大学 | The maximum matched time triggered traffic scheduling table generating method of minimal time delay |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105991384B (en) | The space flight ethernet communication method of compatible time trigger Ethernet and 1553B | |
| CN107943459B (en) | Universal spacecraft integrated electronic system | |
| CN107395400A (en) | The adaptive Dual-Ethernet redundance communicating method of space flight Ethernet time triggered | |
| CN103645947A (en) | MIL-STD-1553B bus monitoring and data analysis system | |
| CN101382968A (en) | Advanced synthesis type aviation electronic simulation system and simulation method thereof | |
| CN104494653A (en) | Rail transit integrated monitoring system | |
| CN107317874A (en) | A kind of network design method of airborne many topological double crossing over structures | |
| CN202067405U (en) | Personnel and vehicle dispatching monitoring system | |
| CN108737169A (en) | A kind of isomery industrial network central fusion management method based on SDN | |
| CN102982209A (en) | Space network visual simulation system and method based on HLA (high level architecture) | |
| CN102932399A (en) | Cloud disaster recovery system for power grid dispatching | |
| CN108809796A (en) | A kind of Metropolitan Area Network (MAN) power system service communication means based on VxLAN | |
| CN104299068A (en) | Cabin display control information management system and method based on ARINC 661 | |
| CN105897798A (en) | SOA mode based data exchange and sharing method | |
| CN105530289A (en) | Platform and method for seamlessly integrating joint airport heterogeneous business systems | |
| CN107317736A (en) | Space flight Ethernet time triggered compatible bus architectural framework communication means | |
| CN114363096A (en) | Data access transmission system crossing safety partitions | |
| Mercer et al. | Scalable traffic management for emergency response operations (stereo) | |
| CN107846363A (en) | Space flight Ethernet time triggered compatible bus business multiplexing of transmission method | |
| CN114936071A (en) | Civil aircraft airborne distributed simulation system based on edge calculation | |
| CN106411675B (en) | A kind of centralized bus timing control method based on timeslice planning | |
| CN110365791A (en) | A kind of all things on earth interconnected method in region | |
| CN111290346A (en) | Synchronous blocking state machine based on real-time operating system for railway communication equipment | |
| Sun et al. | Intelligent collaborative urban traffic management system based on SOA and cloud computing | |
| CN114157691B (en) | Data customization system and method for transparent interaction of information between main station and sub station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171103 |