CN110086559A - A kind of emergency broadcase system and the method for sending data to emergent broadcast adapter - Google Patents
A kind of emergency broadcase system and the method for sending data to emergent broadcast adapter Download PDFInfo
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- CN110086559A CN110086559A CN201910483846.8A CN201910483846A CN110086559A CN 110086559 A CN110086559 A CN 110086559A CN 201910483846 A CN201910483846 A CN 201910483846A CN 110086559 A CN110086559 A CN 110086559A
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- emergent broadcast
- business datum
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 230000005540 biological transmission Effects 0.000 claims description 12
- 230000005641 tunneling Effects 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 abstract description 27
- 230000008901 benefit Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000035800 maturation Effects 0.000 description 2
- 230000005180 public health Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04H—BROADCAST COMMUNICATION
- H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
- H04H20/53—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers
- H04H20/59—Arrangements specially adapted for specific applications, e.g. for traffic information or for mobile receivers for emergency or urgency
-
- 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
- H04L12/185—Arrangements for providing special services to substations for broadcast or conference, e.g. multicast with management of multicast group membership
-
- 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]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Computer Security & Cryptography (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
A method of sending data to emergent broadcast adapter, it is characterized by: it is the following steps are included: (1) establishes business datum logical channel and management mathematical logic channel in a data network, all emergent broadcast adapters that target area is arranged are the same VLAN；(2) business datum is sent to all emergent broadcast adapters of target area the business datum logical channel of data network by emergent broadcast information server in a manner of pushing away multicast by force；(3) the corresponding region code of emergent broadcast entity coding in the business datum that each emergent broadcast adapter identification of target area receives, decides whether to receive the business datum according to region code.This sends data to method of emergent broadcast adapter and separates business datum with management data to improve communication efficiency and arrange net that at low cost, equipment is simple.In addition a kind of emergency broadcase system is also provided.
Description
Technical field
The present invention relates to emergent broadcast technical fields, and in particular to a kind of emergency broadcase system and to send data to emergency wide
The method for broadcasting adapter.
Background technique
China's natural calamity type is more, frequency is high, loss is serious, makes the transition along with socio-economic development is currently in
Phase, various contradictions highlight, and social security events, Accidents Disasters and public health event occur in rising trend.It happens suddenly when facing
When event, government and relevant departments can provide emergency information to the public by broadcast mode, this emergency means emergent broadcast,
National emergent broadcast system is the emergency information service system around emergent broadcast building, is that national Emergency System and the state are public
The important component of service system.In current emergency broadcase system, emergent broadcast adapter has as Intermediate connection device
Adaptation forwarding capability between upper and lower link link, the signal for emergency broadcase system receive Broadcast Control.
Existing emergency broadcase system, business datum and management data are sent to by same server and same channel
Emergent broadcast adapter, since management data are communicated generally by the way of unicast with emergent broadcast adapter,
Business datum is caused generally can only also to be communicated by the way of unicast with emergent broadcast adapter.And working as has the condition of a disaster
When, server is communicated by way of unicast with emergent broadcast adapter, connects corresponding area one by one according to disaster-stricken region
The emergent broadcast adapter in domain, the broadcasted content for sending control instruction and needing to play.If devastated is relatively wider, it is logical to need
The emergent broadcast adapter known is relatively more, due to being that the mode of unicast one by one is taken to carry out data transmission, has sent and all has related to calamity
The emergent broadcast adapter in area needs to spend the long time, if the case where having run into communication failure again, communication is true repeatedly
Recognize, the time can be longer, and time each second for disaster area is all of great rarity, therefore is highly desirable to improve the effect of communication
Rate.
Summary of the invention
The technical problem to be solved by the present invention is providing a kind of separate business datum with management data communicates effect with raising
Rate and at low cost, the simple emergency broadcase system of equipment of arranging net.
The technical solution of the invention is as follows: a kind of emergency broadcase system, it is characterised in that: takes including emergent broadcast information
Be engaged in device, device management server, data network and target area several emergent broadcast adapters, in the data network
Business datum logical channel and management mathematical logic channel, the industry that the emergent broadcast information server passes through data network are set
The emergent broadcast adapter of business mathematical logic channel and target area is communicated to connect in a manner of pushing away multicast by force, the equipment management
Server is led in a manner of unicast the emergent broadcast adapter in the management mathematical logic channel of data network and target area
Letter connection.
It is above-mentioned push away multicast by force and refer to all emergent broadcast adapters of target area are arranged in the same VLAN, by
What it is in broadcast system transmission is multicast packet, so using existing tunneling technique, it first will by emergent broadcast information server
The multicast packet for representing business datum is encapsulated as the format of broadcast data packet, then passes through data network in a broadcast manner
Business datum logical channel sends to the VLAN and is encapsulated as the multicast packet of broadcast packet format, and all in the VLAN answer
Anxious broadcast adapter can receive data simultaneously, and the business datum of the broadcast packet format received is unsealed as multicast number
According to the business datum of packet format.
After adopting the above structure, the invention has the following advantages that
Emergency broadcase system of the present invention is respectively provided with the emergency of processing business data for business datum and management data
The device management server of broadcast information services device and processing management data, and different patrolled in data transmission using two
Channel is collected, business datum logical channel manages mathematical logic channel dedicated for transmitting business datum dedicated for transmission management
Data, therefore business datum and management data can be separated, so as to make the communication mode not managed data of business datum
The limitation of communication mode, therefore the communication mode that data still use unicast is managed, and business datum can use and push away multicast by force
Communication mode, and the communication mode for pushing away multicast by force can make all emergent broadcast adapters in target area while receive wide
Multicast data compared to the communication efficiency that the mode of unicast undoubtedly substantially increases emergency broadcase system, and pushes away by force multicast compared to general
Logical multicast mode without unlatching multicast protocol, and only needs virtual VLAN, arranges net at low cost it is not necessary that multicast group is added, if
It is standby simple.
Preferably, the data network is PON data network.PON data network without power supply, without electronic component,
It is low cost, easy to maintain.
Preferably, the data network is CMTS data network.CMTS data network low cost, technology maturation.
Preferably, the data network is the data network being made of switch/router.By switch/router
Data network low cost, the technology maturation of composition.
Another technical problem to be solved by the present invention is that: provide it is a kind of by business datum and management data separate with improve lead to
The method that letter efficiency and at low cost, equipment of arranging net simply send data to emergent broadcast adapter.
The technical solution of the invention is as follows: a method of sending data to emergent broadcast adapter, it is characterised in that:
It the following steps are included:
(1) business datum logical channel (5) and management mathematical logic channel (6) are established in data network (3), and mesh is set
All emergent broadcast adapters (4) for marking region are the same VLAN, and by all centres in data network (3) Transmission system
The network equipment closes multicast protocol；
(2) business datum is passed through the business datum logical channel of data network (3) by emergent broadcast information server (1)
(5) all emergent broadcast adapters (4) being sent in a manner of pushing away multicast by force in the VLAN, and device management server (2)
Management data are then sent to target area the management mathematical logic channel (6) of data network (3) in a manner of unicast
Each emergent broadcast adapter (4), wherein the mode for pushing away multicast by force is using tunneling technique, first by emergent broadcast information server
(1) multicast packet for representing business datum is encapsulated as to the format of broadcast data packet, then will be encapsulated as in a broadcast manner
The multicast packet of broadcast packet format is sent in the VLAN by the business datum logical channel (5) of data network (3)
All emergent broadcast adapters (4), each emergent broadcast adapter (4) is by the business datum of the broadcast packet format received
Deblocking is the business datum of multicast packet format；
(3) multicast packet for the representative business datum that each emergent broadcast adapter (4) identification in the VLAN receives
In the corresponding region code of emergent broadcast entity coding, decided whether to receive the business datum according to region code.
After adopting the above method, the invention has the following advantages that
The present invention sends data to the method for emergent broadcast adapter to business datum and management data, is respectively provided with place
The emergent broadcast information server of business datum and the device management server of processing management data are managed, and in data transmission
Using two different logical channels, business datum logical channel manages mathematical logic channel dedicated for transmitting business datum
Data are managed dedicated for transmission, therefore business datum and management data can be separated, so as to make the communication party of business datum
The limitation of the communication mode of the not managed data of formula, therefore the communication mode that data still use unicast is managed, and business datum can
It is to set all emergent broadcast adapters to the same VLAN using the communication mode for by force pushing away multicast, to push away multicast by force, and benefit
With tunneling technique, multicast packet is sent in the way of broadcast, the communication mode for pushing away multicast by force can make in target area
All emergent broadcast adapters receive broadcast data simultaneously, and the mode compared to unicast undoubtedly substantially increases emergency broadcase system
Communication efficiency, and push away multicast by force compared to common multicast mode, it is not necessary that multicast group is added, without opening multicast protocol,
And virtual VLAN is only needed, it arranges net at low cost, equipment is simple.
Preferably, each emergent broadcast adapter (4) in the step (3) in the VLAN identifies the representative received
After the multicast packet of business datum, by national news publish General Bureau of Radio, Film and Television's science and technology department work out " emergency broadcase system at county level is temporary
Row technical requirements " the emergent broadcast code table that defines, reads the emergent broadcast entity coding in multicast packet, from emergent broadcast reality
Reading area code in body coding；Each emergent broadcast adapter (4) according to itself pre-stored region code with from multicast packet
The region code that middle identification obtains is compareed, if unanimously, just receiving the multicast packet, if it is inconsistent, abandoning the group
Unicast packets.The setting, which can ensure that, sends business datum on the emergent broadcast adapter of corresponding region, and other regions
Emergent broadcast adapter does not miss multicast data.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram for implementing 1 emergency broadcase system；
Fig. 2 is the flow diagram for the method that embodiment 2 sends data to emergent broadcast adapter；
In figure: 1- emergent broadcast information server, 2- device management server, 3- data network, 4- emergent broadcast adaptation
Device, 5- business datum logical channel, 6- manage mathematical logic channel.
Specific embodiment
With reference to the accompanying drawing, and in conjunction with the embodiments the present invention is described further.
Embodiment 1:
A kind of emergency broadcase system, including emergent broadcast information server 1, device management server 2, data network 3, with
And several emergent broadcast adapters 4 of target area, setting business datum logical channel 5 and management number in the data network 3
According to logical channel 6, business datum logical channel 5 and target area of the emergent broadcast information server 1 by data network 3
Emergent broadcast adapter 4 communicated to connect in a manner of pushing away multicast by force, the device management server 2 is by data network 3
Management mathematical logic channel 6 and the emergent broadcast adapter 4 of target area are communicated to connect in a manner of unicast；The data network
3 be PON data network 3 or CMTS data network 3 or the data network 3 being made of switch/router.
Emergency broadcase system of the present invention is respectively provided with the emergency of processing business data for business datum and management data
The device management server 2 of broadcast information services device 1 and processing management data, and it is different using two in data transmission
Logical channel, business datum logical channel 5 manage mathematical logic channel 6 dedicated for transmitting business datum dedicated for transmission
Data are managed, therefore business datum and management data can be separated, so as to make the not managed number of communication mode of business datum
According to communication mode limitation, therefore manage data and still use the communication mode of unicast, and business datum can be using pushing away by force group
The communication mode broadcast, and the communication mode for pushing away multicast by force can make all emergent broadcast adapters in target area while receive
To broadcast data, compared to the communication efficiency that the mode of unicast undoubtedly substantially increases emergency broadcase system, and multicast phase is pushed away by force
Than common multicast mode, it is not necessary that multicast group is added, without unlatching multicast protocol, and virtual VLAN is only needed, cost of arranging net
Low, equipment is simple.
Embodiment 2:
A method of send data to emergent broadcast adapter, this method based on the emergency broadcase system in embodiment 1,
It the following steps are included:
(1) business datum logical channel 5 and management mathematical logic channel 6 are established in data network 3, and target area is set
All emergent broadcast adapters 4 be the same VLAN, and by 3 Transmission system of data network all intermediary network devices close
Close multicast protocol；
(2) business datum is passed through the business datum logical channel 5 of data network 3 with strong by emergent broadcast information server 1
The mode for pushing away multicast is sent to all emergent broadcast adapters 4 in the VLAN, and device management server 2 will then manage data
Each emergent broadcast adapter of target area is sent in a manner of unicast the management mathematical logic channel 6 of data network 3
4, wherein the mode for pushing away multicast by force is will first to represent the group of business datum by emergent broadcast information server 1 using tunneling technique
Unicast packets are encapsulated as the format of broadcast data packet, then will be encapsulated as the multicast number of broadcast packet format in a broadcast manner
All emergent broadcast adapters 4 in the VLAN are sent to by the business datum logical channel (5) of data network 3 according to packet, respectively
The business number that emergent broadcast adapter 4 unseals the business datum of the broadcast packet format received as multicast packet format
According to；
(3) after the multicast packet for the representative business datum that each emergent broadcast adapter 4 identification in the VLAN receives,
The emergency defined by " the provisional technical requirements of emergency broadcase system at county level " that national news publish the establishment of General Bureau of Radio, Film and Television's science and technology department is wide
Code table is broadcast, the emergent broadcast entity coding in multicast packet, the reading area code from emergent broadcast entity coding are read；Respectively answer
Anxious broadcast adapter 4 is carried out according to itself pre-stored region code with the region code for identifying from multicast packet acquisition pair
According to if unanimously, just receiving the multicast packet, if it is inconsistent, abandoning the multicast packet.
The present invention sends data to the method for emergent broadcast adapter 4 to business datum and management data, is respectively provided with
The emergent broadcast information server 1 of processing business data and the device management server 2 of processing management data, and passed in data
Using two different logical channels when sending, business datum logical channel 5 manages mathematical logic dedicated for transmitting business datum
Channel 6 manages data dedicated for transmission, therefore can separate business datum and management data, so as to make the logical of business datum
The limitation of the communication mode of the not managed data of letter mode, therefore the communication mode that data still use unicast is managed, and business number
According to that can use the communication mode for pushing away multicast by force, pushing away multicast by force is to set the same VLAN for all emergent broadcast adapters 4,
And tunneling technique is utilized, multicast packet is sent in the way of broadcast, the communication mode for pushing away multicast by force can make target area
Interior all emergent broadcast adapters receive broadcast data simultaneously, and the mode compared to unicast undoubtedly substantially increases emergent broadcast
The communication efficiency of system, and multicast is pushed away by force compared to common multicast mode, it is not necessary that multicast group is added, assisted without multicast is opened
View, and virtual VLAN is only needed, it arranges net at low cost, equipment is simple.
Claims (6)
1. a kind of emergency broadcase system, it is characterised in that: including emergent broadcast information server (1), device management server
(2), several emergent broadcast adapters (4) of data network (3) and target area, setting business in the data network (3)
Mathematical logic channel (5) and management mathematical logic channel (6), the emergent broadcast information server (1) pass through data network (3)
Business datum logical channel (5) and the emergent broadcast adapter (4) of target area communicated to connect in a manner of pushing away multicast by force, institute
It is suitable by the management mathematical logic channel (6) of data network (3) and the emergent broadcast of target area to state device management server (2)
Orchestration (4) is communicated to connect in a manner of unicast.
2. a kind of emergency broadcase system according to claim 1, it is characterised in that: the data network (3) is PON data
Network (3).
3. a kind of emergency broadcase system according to claim 1, it is characterised in that: the data network (3) is CMTS number
According to network (3).
4. a kind of emergency broadcase system according to claim 1, it is characterised in that: the data network (3) is by exchanging
Machine/router composition data network (3).
5. a kind of method for sending data to emergent broadcast adapter, it is characterised in that: it the following steps are included:
(1) business datum logical channel (5) and management mathematical logic channel (6) are established in data network (3), and target area is set
All emergent broadcast adapters (4) in domain are the same VLAN, and by all go-betweens in data network (3) Transmission system
Equipment closes multicast protocol；
(2) emergent broadcast information server (1) by business datum by the business datum logical channel (5) of data network (3) with
The strong mode for pushing away multicast is sent to all emergent broadcast adapters (4) in the VLAN, and device management server (2) then will pipe
It manages data and each emergency of target area is sent in a manner of unicast the management mathematical logic channel (6) of data network (3)
Broadcast adapter (4), wherein the mode for pushing away multicast by force is to utilize tunneling technique, it first will generation by emergent broadcast information server (1)
The multicast packet of table business datum is encapsulated as the format of broadcast data packet, then will be encapsulated as broadcast data in a broadcast manner
The multicast packet of packet format all is answered by what the business datum logical channel (5) of data network (3) was sent in the VLAN
Anxious broadcast adapter (4), each emergent broadcast adapter (4) unseal the business datum of the broadcast packet format received for group
The business datum of unicast packets format；
(3) in the multicast packet for the representative business datum that each emergent broadcast adapter (4) identification in the VLAN receives
The corresponding region code of emergent broadcast entity coding decides whether to receive the business datum according to region code.
6. a kind of method for sending data to emergent broadcast adapter according to claim 5, it is characterised in that: the step
Suddenly after the multicast packet for the representative business datum that each emergent broadcast adapter (4) identification in (3) in the VLAN receives,
The emergency defined by " the provisional technical requirements of emergency broadcase system at county level " that national news publish the establishment of General Bureau of Radio, Film and Television's science and technology department is wide
Code table is broadcast, the emergent broadcast entity coding in multicast packet, the reading area code from emergent broadcast entity coding are read；Respectively answer
Anxious broadcast adapter (4) carries out according to itself pre-stored region code with the region code for identifying from multicast packet acquisition pair
According to if unanimously, just receiving the multicast packet, if it is inconsistent, abandoning the multicast packet.
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| CN109525545A (en) * | 2018-09-04 | 2019-03-26 | 熊猫电子集团有限公司 | The satellite broadcast communication method and its system of IPization |
| CN209562566U (en) * | 2019-06-05 | 2019-10-29 | 广西广播电视信息网络股份有限公司 | A kind of emergency broadcase system |
-
2019
- 2019-06-05 CN CN201910483846.8A patent/CN110086559A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2008031362A1 (en) * | 2006-09-12 | 2008-03-20 | Huawei Technologies Co., Ltd. | Bearing network, system, device and method for multicast broadcast service |
| CN101202591A (en) * | 2006-12-13 | 2008-06-18 | 中兴通讯股份有限公司 | Method for realizing multicast virtual local area network registration in GPON system |
| CN108306701A (en) * | 2018-01-29 | 2018-07-20 | 北京数码视讯科技股份有限公司 | The adaptation method of emergency broadcase system and emergent broadcast information |
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