CN102905059A - Continuous radio and television broadcast system - Google Patents
Continuous radio and television broadcast system Download PDFInfo
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- CN102905059A CN102905059A CN2012103743863A CN201210374386A CN102905059A CN 102905059 A CN102905059 A CN 102905059A CN 2012103743863 A CN2012103743863 A CN 2012103743863A CN 201210374386 A CN201210374386 A CN 201210374386A CN 102905059 A CN102905059 A CN 102905059A
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Abstract
The invention provides a continuous radio and television broadcast system. The system comprises a master server and a standby server which communicates with the master server, wherein the master server is provided with a master play virtual machine; and the standby server is provided with a standby play virtual machine. According to the continuous radio and television broadcast system provided by the invention, the problems of requirement on binding of hardware, difficulty in system upgrade and exorbitant price of equipment are solved.
Description
Technical field
The invention belongs to field of data transmission, be specifically related to a kind of free of discontinuities radio and television Play System.
Background technology
Radio and television: be by radio wave or broadcast the communication media of sound equipment, image programs by wire to wide geographic area, be referred to as broadcasting.Only broadcast sound, be called sound radio; Broadcasting image and sound, be called television broadcasting.Say narrowly, broadcasting is to utilize radio wave and wire, a usefulness sound transmission content.In a broad sense, broadcasting comprises the broadcasting that sound is singly arranged that we think usually and sound and image and the TV of depositing.
The function of radio and television mainly contains: the first, and Communications Functions namely utilizes this modern mass media of radio and television, publicizes in time route, policy, the policy that route, principles and policies and the people of party be a member of a political party and guides lower obtained achievement; The second, educational function namely utilizes radio and television to convey knowledge to the audient, and modern science and technology knowledge particularly improves constantly the whole nation's scientific and cultural quality; The 3rd, supervisory role namely utilizes this mass medium of radio and television that socio-economic activity is exercised supervision, and public opinion is exercised supervision, in order to establish healthy tendency, corrects all malpractice.
Radio and television have the basic function of obvious information industry, namely produce and the function that the function of transmission of information, the social resources that lead are distributed rationally, the function of operation information etc.
Existing radio and television Play System requires to have high availability, and the service disconnection of second level all is intolerable.The service recovery time of the high available solutions of existing server software can't satisfy the availability requirement of above-mentioned radio and television Play System between the several seconds arrives several minutes.
The high available mechanism of existing radio and television Play System adopts the hardware switch mode.Have the advantages such as reliability is high, switch speed is fast, but have simultaneously the shortcomings such as binding hardware, system upgrade difficulty, apparatus expensive.
Summary of the invention
For overcoming defects, the invention provides a kind of free of discontinuities radio and television Play System, solved the problem that needs binding hardware, system upgrade difficulty and apparatus expensive.
For achieving the above object, the invention provides a kind of free of discontinuities radio and television Play System, free of discontinuities radio and television Play System comprises: master server and the standby server that communicates with; Its improvements are, described master server is provided with the main broadcaster and puts virtual machine; Described standby server is provided with broadcast virtual machine for subsequent use.
In the optimal technical scheme provided by the invention, described main broadcaster puts virtual machine and described broadcast virtual machine for subsequent use comprises respectively: operating system and playout software.
In the second optimal technical scheme provided by the invention, when described main broadcaster was put virtual machine and synchronized content in real time on the described broadcast virtual machine for subsequent use, the network port traffic mirroring of described main broadcaster being put virtual machine was synchronized on the port of described broadcast virtual machine for subsequent use.
In the 3rd optimal technical scheme provided by the invention, the operating system that described main broadcaster is put virtual machine comprises: the breakpoint sending module of timing module and its time signal of reception.
In the 4th optimal technical scheme provided by the invention, described timing module notifies described breakpoint sending module to send a breakpoint to described broadcast virtual machine for subsequent use every 50 milliseconds.
In the 5th optimal technical scheme provided by the invention, the operating system of described broadcast virtual machine for subsequent use comprises: the startup module of outage receiver module and its signal of reception.
In the 6th optimal technical scheme provided by the invention, described outage receiver module receives the breakpoint that described breakpoint sending module sends, if do not receive the breakpoint that described breakpoint sending module sends in 100 milliseconds, then sends signal to starting module; After described startup module receives the signal of described outage receiver module, start described broadcast virtual machine for subsequent use.
In the 7th optimal technical scheme provided by the invention, described master server and described standby server use respectively the server based on Godson 3A processor.
Compared with the prior art, a kind of free of discontinuities radio and television Play System provided by the invention, satisfy the availability requirement of radio and television Play System, solved existing software workable solution fail-over time long, can't satisfy the problem of the high usability requirements of radio and television Play System; And do not adopt the hardware switch scheme, cost is low, so that the radio and television Play System is not bound by the hardware vendor, makes system upgrade become simple.
Description of drawings
Fig. 1 is the structural representation of free of discontinuities radio and television Play System.
Embodiment
As shown in Figure 1, a kind of free of discontinuities radio and television Play System, free of discontinuities radio and television Play System comprises: master server and the standby server that communicates with; Described master server is provided with the main broadcaster and puts virtual machine; Described standby server is provided with broadcast virtual machine for subsequent use.
Described main broadcaster puts virtual machine and described broadcast virtual machine for subsequent use comprises respectively: operating system and playout software.
When described main broadcaster was put virtual machine and synchronized content in real time on the described broadcast virtual machine for subsequent use, the network port traffic mirroring of described main broadcaster being put virtual machine was synchronized on the port of described broadcast virtual machine for subsequent use.
The operating system that described main broadcaster is put virtual machine comprises: the breakpoint sending module of timing module and its time signal of reception.
Described timing module notifies described breakpoint sending module to send a breakpoint to described broadcast virtual machine for subsequent use every 50 milliseconds.
The operating system of described broadcast virtual machine for subsequent use comprises: the startup module of outage receiver module and its signal of reception.
Described outage receiver module receives the breakpoint that described breakpoint sending module sends, if do not receive the breakpoint that described breakpoint sending module sends in 100 milliseconds, then sends signal to starting module; After described startup module receives the signal of described outage receiver module, start described broadcast virtual machine for subsequent use.
Described master server and described standby server use respectively the server based on Godson 3A processor.
By following examples free of discontinuities radio and television Play System is further described.
Virtually become a kind of inexorable trend in IT field.At first the Play Server with Play System moves on the virtual platform, adopts the mode of virtual machine to move.
Virtual fault-toleranr technique is based on Intel Virtualization Technology to the fault-tolerant protection of virtual machine; this technology is synchronized on the standby virtual machine by real-time memory content with host virtual machine; and the network port traffic mirroring of host virtual machine is synchronized on the standby port of virtual machine; when guaranteeing that physical server is delayed machine, faster failover speed.
The main broadcaster is put virtual machine and is set up at Intel Virtualization Technology, and operating system and radio and television broadcast management software, the final facility of realizing playing broadcast TV program have been installed.Standby broadcast virtual machine is the real-time mirror image that the main broadcaster is put virtual machine, is used for taking over when the main broadcaster is put the virtual machine failure play service.
Use the virtual fault-toleranr technique of dawn to set up real-time broadcast virtual machine for subsequent use as Play Server, broadcast virtual machine for subsequent use and main broadcaster are put virtual machine not on same physical server, and the main broadcaster is put virtual machine and sent a breakpoint every 50 milliseconds to broadcast virtual machine for subsequent use.When the main broadcaster was put virtual machine and delayed machine, the radio and television play service started at broadcast virtual machine for subsequent use in several milliseconds, the switching that the General Visitors naked eyes can't aware system.
What need statement is that content of the present invention and embodiment are intended to prove the practical application of technical scheme provided by the present invention, should not be construed as the restriction to protection range of the present invention.Those skilled in the art can do various modifications, be equal to and replace or improve inspired by the spirit and principles of the present invention.But these changes or modification are all in the protection range that application is awaited the reply.
Claims (8)
1. a free of discontinuities radio and television Play System comprises: master server and the standby server that communicates with; It is characterized in that, described master server is provided with the main broadcaster and puts virtual machine; Described standby server is provided with broadcast virtual machine for subsequent use.
2. system according to claim 1 is characterized in that, described main broadcaster puts virtual machine and described broadcast virtual machine for subsequent use comprises respectively: operating system and playout software.
3. system according to claim 2, it is characterized in that, when described main broadcaster was put virtual machine and synchronized content in real time on the described broadcast virtual machine for subsequent use, the network port traffic mirroring of described main broadcaster being put virtual machine was synchronized on the port of described broadcast virtual machine for subsequent use.
4. system according to claim 2 is characterized in that, the operating system that described main broadcaster is put virtual machine comprises: the breakpoint sending module of timing module and its time signal of reception.
5. system according to claim 4 is characterized in that, described timing module notifies described breakpoint sending module to send a breakpoint to described broadcast virtual machine for subsequent use every 50 milliseconds.
6. system according to claim 2 is characterized in that, the operating system of described broadcast virtual machine for subsequent use comprises: the startup module of outage receiver module and its signal of reception.
7. system according to claim 6 is characterized in that, described outage receiver module receives the breakpoint that described breakpoint sending module sends, if do not receive the breakpoint that described breakpoint sending module sends in 100 milliseconds, then sends signal to starting module; After described startup module receives the signal of described outage receiver module, start described broadcast virtual machine for subsequent use.
8. each described system is characterized in that according to claim 1-7, and described master server and described standby server use respectively the server based on Godson 3A processor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103743863A CN102905059A (en) | 2012-09-27 | 2012-09-27 | Continuous radio and television broadcast system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103743863A CN102905059A (en) | 2012-09-27 | 2012-09-27 | Continuous radio and television broadcast system |
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| CN102905059A true CN102905059A (en) | 2013-01-30 |
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| CN2012103743863A Pending CN102905059A (en) | 2012-09-27 | 2012-09-27 | Continuous radio and television broadcast system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107105337A (en) * | 2017-02-27 | 2017-08-29 | 深圳市卓翼科技股份有限公司 | Radio multimedium playing method and device |
| CN109240794A (en) * | 2018-08-06 | 2019-01-18 | 深圳宇翊技术股份有限公司 | A kind of desktop virtual technology reconstruct PIS train station subsystem |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107105337A (en) * | 2017-02-27 | 2017-08-29 | 深圳市卓翼科技股份有限公司 | Radio multimedium playing method and device |
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Application publication date: 20130130 |