CN109412677A - Cooperate with to star the communication broadcast method for self-adaption amalgamation in block catenary system - Google Patents
Cooperate with to star the communication broadcast method for self-adaption amalgamation in block catenary system Download PDFInfo
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- CN109412677A CN109412677A CN201811340658.1A CN201811340658A CN109412677A CN 109412677 A CN109412677 A CN 109412677A CN 201811340658 A CN201811340658 A CN 201811340658A CN 109412677 A CN109412677 A CN 109412677A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/18578—Satellite systems for providing broadband data service to individual earth stations
- H04B7/18586—Arrangements for data transporting, e.g. for an end to end data transport or check
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/188—Time-out mechanisms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/04—Error control
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
Abstract
The embodiment of the present invention cooperates with the communication broadcast method for self-adaption amalgamation in block catenary system with providing a kind of star, it include: the target data that target ordinary node broadcast itself generates, and start timing, so that the first neighbor node continues broadcast target data, so that target data is sent satellite by the first gateway node, target data is subjected to the whole network broadcast by satellite；After preset time, if target ordinary node does not receive the target data of satellite broadcasting, is sent again to the first gateway node, so that the first gateway node sends satellite for target data again, the whole network broadcast is carried out by satellite again.Cooperate with to star provided in an embodiment of the present invention the communication broadcast method for self-adaption amalgamation in block catenary system, the broadcast of cooperative scheduling adaptive retransmission is carried out by ground node and satellite, the flexibility of the high efficiency and ground network transmission that can effectively be broadcasted on a large scale using satellite, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
Description
Technical field
Cooperate with the communication in block catenary system wide the present embodiments relate to field of communication technology more particularly to a kind of star
Broadcast method for self-adaption amalgamation.
Background technique
Block chain is based on skills such as point-to-point transmission network technology, cryptological technique, database storage techniques, common recognition mechanism
Art establishes the technology of distributed digital account book system.Since the point-to-point transmission of existing block catenary system is built upon
Agreement in application layer, transaction broadcast and block broadcast in block catenary system need to carry out a data to each node
Transmission, this will carry out very big burden to Netowrk tape, be easy to that the congestion of network occurs in frequent situation of trading.With list
Under index of the transaction count to measure block catenary system performance in the time of position, the handling capacity of block catenary system is by single block institute
The number of transaction and block of receiving realize the delay of the whole network broadcast to determine.Since under existing Internet architecture, block chain is every
Secondary transaction generates new block and realizes that the whole network broadcast requires the regular hour, therefore existing network transmission technology is serious
Affect the transactions velocity of block catenary system.
In the prior art, the block catenary system being made of the node on satellite and ground, referred to as cooperates with to star block linkwork
System generallys use satellite communication to carry out the broadcast of block and transaction, using satellite communication wide coverage, extensively within the system
The characteristic broadcast realizes quick the whole network broadcast of information.
But using satellite broadcasting, due to the otherness of communication channel over time and space, part of nodes is possible to lose
It loses part broadcast message or receives the broadcast message of mistake.Will so that star cooperate with block catenary system can not work normally or
The reliability of ineffective systems, system is low.
Summary of the invention
A kind of overcome the above problem the purpose of the embodiment of the present invention is that providing or at least be partially solved the above problem
Cooperate with to star the communication broadcast method for self-adaption amalgamation in block catenary system.
In order to solve the above-mentioned technical problem, on the one hand, the embodiment of the present invention cooperates in block catenary system with providing a kind of star
Communication broadcast method for self-adaption amalgamation, comprising:
The target data that target ordinary node broadcast itself generates, and start timing, so that the first neighbor node continues extensively
The target data is broadcast, so that the target data is sent satellite by the first gateway node, by the satellite by the target
Data carry out the whole network broadcast；
After preset time, if the target ordinary node does not receive the number of targets of the satellite broadcasting
According to then again to first gateway node transmission target data, so that first gateway node is again by the mesh
Mark data are sent to the satellite, and the target data is carried out the whole network broadcast again by the satellite.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
Detailed description of the invention
Fig. 1 cooperates with the communication broadcast method for self-adaption amalgamation in block catenary system to show for star provided in an embodiment of the present invention
It is intended to；
Fig. 2 is the logical flow diagram that ordinary node provided in an embodiment of the present invention retransmits transaction；
Fig. 3 is the logical flow diagram of ordinary node retransmission blocks provided in an embodiment of the present invention；
Fig. 4 is that ordinary node provided in an embodiment of the present invention receives the transmission logic process after the block that ordinary node is sent
Schematic diagram；
Fig. 5 is that gateway node provided in an embodiment of the present invention receives the transmission logic process after the transaction that ordinary node is sent
Schematic diagram；
Fig. 6 is that gateway node provided in an embodiment of the present invention receives the transmission logic process after the block that ordinary node is sent
Schematic diagram；
Fig. 7 receives the transmission logic process signal after the transaction of satellite broadcasting for gateway node provided in an embodiment of the present invention
Figure；
Fig. 8 receives the transmission logic process signal after the block of satellite broadcasting for gateway node provided in an embodiment of the present invention
Figure；
Fig. 9 is that gateway node provided in an embodiment of the present invention receives the transmission logic flow diagram after block request；
Figure 10 is that the transmission logic process that satellite provided in an embodiment of the present invention receives after the transaction that gateway node is sent is shown
It is intended to；
Figure 11 be satellite provided in an embodiment of the present invention receive gateway node transmission block after transmission logic process show
It is intended to；
Figure 12 cooperates with the communication broadcast self-adapting fusing device in block catenary system for star provided in an embodiment of the present invention
Schematic diagram；
Figure 13 is the structural schematic diagram of electronic equipment provided in an embodiment of the present invention.
Specific embodiment
In order to keep the purposes, technical schemes and advantages of the embodiment of the present invention clearer, implement below in conjunction with the present invention
Attached drawing in example, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, those of ordinary skill in the art
Every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
Fig. 1 cooperates with the communication broadcast method for self-adaption amalgamation in block catenary system to show for star provided in an embodiment of the present invention
It is intended to, as shown in Figure 1, the embodiment of the present invention cooperates with the adaptively side of fusion of the communication broadcast in block catenary system with providing a kind of star
Method, this method comprises:
Step S101, the target data that target ordinary node broadcast itself generates, and start timing, for the first neighbours section
Point continues to broadcast the target data, will by the satellite so that the target data is sent satellite by the first gateway node
The target data carries out the whole network broadcast；
Step S102, after preset time, if the target ordinary node does not receive the institute of the satellite broadcasting
Target data is stated, then sends the target data to first gateway node again, again for first gateway node
The satellite is sent by the target data, the target data is carried out again by the whole network broadcast by the satellite.
Specifically, cooperateing with to star block catenary system includes the ordinary node of several operation block chain programs, common to save
Point to point network is formed by internet between point, each ordinary node has the neighbor node of oneself, and neighbor node is also general
Logical node, a pair of of neighbor node can be carried out data transmission by internet.Meanwhile star to cooperate with block catenary system further include one
A satellite and multiple gateway nodes, satellite include satellite main body and ground main website, and satellite main body is in the sky around the earth according to predetermined
Track operation, gateway node can send number to satellite main body by ground network and ground master station communication, ground main website
According to.Satellite main body can be to all node (including ordinary node and gateway node) broadcast messages, and each node is (including common
Node and gateway node) wireless broadcast information of satellite can be received.Ordinary node accesses locally in store certain after network
The neighbor node of quantity, and a gateway node optimal with oneself transmission path can be accessed.Gateway node can and satellite
Ground master station communication.It can be communicated with each other between gateway node.
Gateway node, satellite ground main website locally delay in the locally in store data buffer storage of difference, referred to as local cache
The priority of the middle data and data for saving and receiving is deposited, and can be sent data according to the priority of data, data can
To be transaction or block.The height of data cached priority can be measured by the value of priority, and the value of priority is got over
Indicate that the priority of the data is higher greatly, the higher data of priority will preferentially be sent from local cache.
A buffer area for oneself sending data is being locally located in ordinary node, when a target ordinary node is in local
After generating a target data, the target data is sent to the first neighbor node and the first gateway node by way of broadcast,
Start simultaneously at timing.Wherein, the first neighbor node is the neighbor node of the target ordinary node, and the first gateway node is the target
Ordinary node accesses gateway node network and optimal with oneself transmission path.So that the first neighbor node continues extensively
The target data is broadcast, and so that the target data is sent satellite by the first gateway node, is carried out the target data by satellite
The whole network broadcast.
After preset time, if target ordinary node does not receive the target data of satellite broadcasting, again to
One gateway node sends the target data, so that the first gateway node sends satellite for the target data again, again by satellite
It is secondary that the target data is subjected to the whole network broadcast, it so recycles, until target ordinary node receives the target data of satellite broadcasting.
Wherein, preset time can be configured according to the actual situation.
If target ordinary node has received the target data of satellite broadcasting, then it is assumed that data are sent successfully, are no longer sent out again
It send.
Fig. 2 is the logical flow diagram that ordinary node provided in an embodiment of the present invention retransmits transaction, as shown in Fig. 2, with
The data that ordinary node retransmits are for trading, and ordinary node A1 passes through the shape of broadcast after locally generated one new transaction A
Formula sends transaction A to neighbor node A2 and gateway node B1, starts simultaneously at timing.Neighbor node A2 is the neighbours of ordinary node A1
Node, gateway node B1 are ordinary node A1 access network and a gateway node optimal with oneself transmission path.For
Neighbor node A2 continues to broadcast transaction A, and so that transaction A is sent satellite by gateway node B1, by satellite that transaction A progress is complete
Net broadcast.
After preset time, for example, after 2 seconds, if ordinary node A1 judgement knows that not receive satellite wide
The transaction A broadcast then sends transaction A to gateway node B1 again, so that gateway node B1 sends satellite for transaction A again, by
Transaction A is carried out the whole network broadcast again by satellite, is so recycled, until ordinary node A1 receives the transaction A of satellite broadcasting.
Fig. 3 is the logical flow diagram of ordinary node retransmission blocks provided in an embodiment of the present invention, as shown in figure 3, with
For the data that ordinary node retransmits are block, if ordinary node A1 it is locally generated be new block A, ordinary node A1
Block A is sent to neighbor node A2 and gateway node B1 by way of broadcast, starts simultaneously at timing.
After 2 seconds, if the block A for not receiving satellite broadcasting is known in ordinary node A1 judgement, again to gateway
Node B1 sends block A and block A is carried out the whole network again by satellite so that gateway node B1 sends satellite for block A again
Broadcast so recycles, until ordinary node A1 receives the block A of satellite broadcasting.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above embodiments, further, when the target data is target transaction, first neighbours
After node receives the target transaction of the target ordinary node broadcast, following steps are executed:
Verify the legitimacy of the target transaction；
If being verified, the target transaction is added in domestic transaction pond, the target transaction is otherwise abandoned.
Specifically, when target data is target transaction, the first neighbor node receives target ordinary node broadcast
After target transaction, following steps are executed:
Firstly, verifying the legitimacy of the target transaction.
If being verified, which is added in domestic transaction pond, the target transaction is otherwise abandoned.
For example, neighbor node A2 is in the transaction A for receiving ordinary node A1 broadcast in example in the above-described embodiments
Afterwards, the legitimacy of transaction A is verified, if the verification passes, then transaction A is added in domestic transaction pond, otherwise abandons and hand over
Easy A.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, when the target data is target block, described first is adjacent
After occupying the target block that node receives the target ordinary node broadcast, following steps are executed:
Verify the legitimacy of the target block；
If being verified, according to the number of other blocks of the preservation in local data base and the volume of the target block
Number, judge whether there is the block lacked；
If there is the block lacked, block request is sent to the second neighbor node and the second gateway node, is lacked with obtaining
Block.
Specifically, Fig. 4 is that ordinary node provided in an embodiment of the present invention receives the biography after the block that ordinary node is sent
Defeated logical flow diagram, as shown in figure 4, it is common that the first neighbor node receives target when target data is target block
After the target block of node broadcasts, following steps are executed:
Firstly, verifying the legitimacy of the target block.
If being verified, according to the volume of the number of other blocks of the preservation in local data base and the target block
Number, judge whether there is the block lacked.
If there is the block lacked, block request is sent to the second neighbor node and the second gateway node, is lacked with obtaining
Block.Wherein, the second neighbor node is the neighbor node of the first neighbor node, and the second gateway node is that the second neighbor node connects
Enter gateway node network and optimal with oneself transmission path.
For example, neighbor node A2 is in the block A for receiving ordinary node A1 broadcast in example in the above-described embodiments
Afterwards, the legitimacy of block A is verified, if the verification passes, then block A is saved in local data base.
If the number of block A is 8, and the number of other blocks saved in the local data base of neighbor node A2 is distinguished
Are as follows: " 1,2,3,4,5,6 ", due to the number of block be according to certain sequential organization, after neighbor node A2 receives block A,
According to the number of the number of other blocks of the preservation in local data base and block A, can judge to lack the area that number is 7
Block.
At this point, neighbor node A2 then sends block request to neighbor node A3 and gateway node B2, to obtain the volume lacked
Number be 7 block.Wherein, neighbor node A3 is the neighbor node of neighbor node A2, and gateway node B2 is neighbor node A2 access
Network and optimal with oneself a transmission path gateway node.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, when the target data is target transaction, first net
After artis receives the target transaction of the target ordinary node broadcast, following steps are executed:
Check in local cache whether there is the target transaction；
If the target transaction is saved in local data base without the target transaction, and the target is handed over
It is easily added in local cache, and the value of the priority by the target transaction in local cache is set as the first preset value
GTN。
Specifically, Fig. 5 is that gateway node provided in an embodiment of the present invention receives the biography after the transaction that ordinary node is sent
Defeated logical flow diagram, as shown in figure 5, it is common that the first gateway node receives target when target data is target transaction
After the target transaction of node broadcasts, following steps are executed:
Firstly, checking in local cache whether there is the target transaction.
If the not target transaction, which is saved in local data base, and the target transaction is added
Into local cache, and the value of the priority by the target transaction in local cache is set as the first preset value GTN.
For example, in example in the above-described embodiments, after gateway node B1 receives the transaction A of ordinary node A1 broadcast,
Check in local cache whether there is transaction A.
If not trading A, transaction A is saved in local data base, and transaction A is added in local cache, and
GTN, GTN=254 are set by the value for priority of the A in local cache of trading.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, when the target data is target block, first net
After artis receives the target block of the target ordinary node broadcast, following steps are executed:
The target block is saved in local data base, and the target block is added in local cache, and
The second preset value GBN is set by the value of priority of the target block in local cache；
According to the number of other blocks of the preservation in local data base and the number of the target block, judge whether there is
The block lacked；
If there is the block lacked, block request is sent to the second gateway node, to obtain the block lacked.
Specifically, Fig. 6 is that gateway node provided in an embodiment of the present invention receives the biography after the block that ordinary node is sent
Defeated logical flow diagram, as shown in fig. 6, it is common that the first gateway node receives target when target data is target block
After the target block of node broadcasts, following steps are executed:
Firstly, the target block is saved in local data base, and the target block is added in local cache, and
The second preset value GBN is set by the value of priority of the target block in local cache.
According to the number of the number of other blocks of the preservation in local data base and the target block, judge whether there is scarce
Few block.
If there is the block lacked, block request is sent to the second gateway node, to obtain the block lacked.
Multiple gateway nodes according to the fixed period to the ground main website of satellite send local cache in Transaction Information and
Block information.Sequential selection transaction and block transmission of the gateway node from local cache according to the value of priority from big to small.
If the value of priority is identical, sent according to trading in block catenary system with the forwarding preference strategy of block.
For example, in example in the above-described embodiments, after gateway node B1 receives the block A of ordinary node A1 broadcast,
Block A is saved in local data base, and block A is added in local cache, and block A is excellent in local cache
The value of first grade is set as the second preset value GBN, GBN=255.
If the number of block A is 8, and the number of other blocks saved in the local data base of gateway node B1 is distinguished
Are as follows: " 1,2,3,4,5,6 ", due to the number of block be according to certain sequential organization, after gateway node B1 receives block A,
According to the number of the number of other blocks of the preservation in local data base and block A, can judge to lack the area that number is 7
Block.
At this point, gateway node B1 then sends block request to gateway node B2, to obtain the block that the number lacked is 7.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, when the target data is target transaction, first net
After artis receives the target transaction of the satellite broadcasting, following steps are executed:
Check in local cache whether there is the target transaction；
If the target transaction is saved in local data base without the target transaction；
If there is the target transaction, the target transaction is deleted from local cache.
Specifically, Fig. 7 is that the transmission that gateway node provided in an embodiment of the present invention receives after the transaction of satellite broadcasting is patrolled
Flow diagram is collected, as shown in fig. 7, the first gateway node receives being somebody's turn to do for satellite broadcasting when target data is target transaction
After target transaction, following steps are executed:
Firstly, carrying out legitimate verification to the target transaction.
If the verification passes, then check whether there is the target transaction in local cache.
If the not target transaction, which is saved in local data base.
If there is the target transaction, which is deleted from local cache.
For example, in example in the above-described embodiments, after gateway node B1 receives the transaction A of satellite broadcasting, to transaction A
Carry out legitimate verification.If the verification passes, then check whether there is transaction A in local cache.
If not trading A, transaction A is saved in local data base.If there is transaction A, the A that trades also is already present on
In local data base, at this point, transaction A is deleted from local cache.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, when the target data is target block, first net
After artis receives the target block of the satellite broadcasting, following steps are executed:
Check in local cache whether there is the target block；
If the target block is saved in local data base without the target block, and according to local data
The number of other blocks of the preservation in library and the number of the target block, judge whether there is the block lacked；
If there is the block lacked, block request is sent to the second gateway node, to obtain the block lacked.
Specifically, Fig. 8 is that gateway node provided in an embodiment of the present invention receives the transmission after the block of satellite broadcasting and patrols
Flow diagram is collected, as shown in figure 8, the first gateway node receives being somebody's turn to do for satellite broadcasting when target data is target block
After target block, following steps are executed:
Firstly, carrying out legitimate verification to the target block.
If the verification passes, then check whether there is the target block in local cache.
If the not target block, which is saved in local data base, and according in local data base
Preservation other blocks number and the target block number, judge whether there is the block lacked.If there is the block lacked,
Block request then is sent to the second gateway node, to obtain the block lacked.
If there is the target block, which is deleted from local cache.
For example, in example in the above-described embodiments, after gateway node B1 receives the block A of satellite broadcasting, to block A
Legitimacy verified, whether if the verification passes, then checking has block A in local cache.
If not having block A, block A is saved in local data base, if the number of block A is 8, and gateway section
The number of other blocks saved in the local data base of point B1 is respectively as follows: " 1,2,3,4,5,6 ", due to the number of block be by
According to certain sequential organization, after gateway node B1 receives block A, according to the volume of other blocks of the preservation in local data base
Number and block A number, can judge to lack the block that number is 7.At this point, gateway node B1 sends area to gateway node B2
Block request, to obtain the block that the number lacked is 7.
If there is block A in local cache, block A is deleted from local cache.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, after second gateway node receives block request,
Execute following steps:
Check in local data base whether there is the target block；
If there is the target block, the target block is sent to requesting party；
Check in local cache whether there is the target block；
If there is the target block, the value of priority of the target block in local cache is increased into a list
Position.
Specifically, Fig. 9 is that gateway node provided in an embodiment of the present invention receives the transmission logic process after block request
Schematic diagram, as shown in figure 9, executing following steps after second gateway node receives the block request for target block:
Firstly, checking in local data base whether there is the target block.
If there is the target block in local data base, which is sent to requesting party, then, is checked local
Whether the target block is had in caching；If there is the target block in local cache, by the target block in local cache
The value of priority increases a unit and keeps maximum value if the value of priority has been maximum value.
If there is no the target block in local cache, which is added in local cache, and by the target area
The value of priority of the block in local cache is set as GB.
If not having the target block in local data base, the instruction for searching failure is returned to requesting party, is used to indicate
It can not find out the target block, and send the block request for the target block to other gateway nodes.
For example, gateway node B2 receives neighbor node A2 or gateway node B1 in example in the above-described embodiments
After the block request for block A sent, check in local data base whether there is block A.
If there is block A in local data base, block A is sent to neighbor node A2 or gateway node B1, then,
Check in local cache whether there is block A；If there is block A in local cache, by priority of the block A in local cache
Value increases by one, if the value of priority has been maximum value 255, keeps maximum value 255.
If there is no block A in local cache, block A is added in local cache, and block A is excellent in local cache
The value of first grade is set as GB, GB=0.
If there is no block A in local data base, is returned to neighbor node A2 or gateway node B1 and search failure
Instruction, is used to indicate and can not find out the target block, and to other gateway nodes, such as gateway node B3, sends and be directed to the mesh
Mark the block request of block.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, when the target data is target transaction, the satellite is connect
After receiving the target transaction that first gateway node is sent, following steps are executed:
Check in local cache whether there is the target transaction；
If the target transaction is added in local cache without the target transaction, and by the target transaction
The value of priority in local cache is set as third preset value ST；
If there is the target transaction, the value of priority of the target transaction in local cache is increased into a list
Position.
Specifically, Figure 10 is that the transmission that satellite provided in an embodiment of the present invention receives after the transaction that gateway node is sent is patrolled
Flow diagram is collected, as shown in Figure 10, when target data is target transaction, passing of satelline ground main website receives the first gateway
After the target transaction that node is sent, following steps are executed:
Firstly, carrying out legitimate verification to target transaction, whether if the verification passes, then checking has the mesh in local cache
Mark transaction.
If the not target transaction, which is added in local cache, and by the target transaction in local
The value of priority in caching is set as third preset value ST.
If there is the target transaction, the value of priority of the target transaction in local cache is increased into a unit, such as
The value of fruit priority has been maximum value, then keeps maximum value.
For example, passing of satelline ground main website receives the friendship of gateway node B1 transmission in example in the above-described embodiments
After easy A, check in local cache whether there is transaction A.
If transaction A is added in local cache without transaction A in local cache, and the A that will trade is in local cache
In the value of priority be set as ST, ST=0.
If there is transaction A in local cache, the value for priority of the A in local cache of trading is increased by one, if excellent
The value of first grade has been maximum value 255, then keeps maximum value 255.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
On the basis of the above various embodiments, further, when the target data is target block, the satellite is connect
After receiving the target block that first gateway node is sent, following steps are executed:
Check in local cache whether there is the target block；
If the target block is added in local cache without the target block, and by the target block
The value of priority in local cache is set as the 4th preset value SB；
If there is the target block, the value of priority of the target block in local cache is increased into a list
Position.
Specifically, Figure 11 be satellite provided in an embodiment of the present invention receive gateway node transmission block after transmission patrol
Flow diagram is collected, as shown in figure 11, when target data is target block, passing of satelline ground main website receives the first gateway
After the target block that node is sent, following steps are executed:
Firstly, carrying out legitimate verification to target block, whether if the verification passes, then checking has the mesh in local cache
Mark block.
If the not target block, which is added in local cache, and by the target block in local
The value of priority in caching is set as the 4th preset value SB.
If there is the target block, the value of priority of the target block in local cache is increased into a unit, such as
The value of fruit priority has been maximum value, then keeps maximum value.
For example, passing of satelline ground main website receives the area of gateway node B1 transmission in example in the above-described embodiments
After block A, check in local cache whether there is block A.
If not having block A in local cache, block A is added in local cache, and by block A in local cache
In the value of priority be set as SB, SB=8.
If there is block A in local cache, the value of priority of the block A in local cache is increased by one, if excellent
The value of first grade has been maximum value 255, then keeps maximum value 255.
The communication broadcast method for self-adaption amalgamation in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
After satellite main website receives transaction and the block of multiple gateway nodes, it is sent to satellite main body, satellite main body is with fixation
Slot time trade to whole node broadcasts and block information, satellite main body is from local cache area, ground main website according to preferential
The sequential selection transaction and block transmission of the value of grade from big to small, if transaction is identical with the priority of block, according to block
The preference strategy sequence of catenary system itself transaction and block broadcast.The ground main website of satellite has been sent after data from local cache area
Middle deletion data.
The transaction data and block data that satellite main body to be broadcasted carry out fountain codes coding respectively and broadcast again.
The size of value GB, GTN, GBN, ST and SB of priority can be according to actual system needs in the embodiment of the present invention
It is configured, dynamic adjustment can also be carried out according to running situation.
Finally, being described in detail again by effect of another example to the embodiment of the present invention:
There is 2 gateway nodes, the satellite block catenary system of N number of ordinary node at one, it is assumed that between ordinary node, general
Average transmission delay between logical node and gateway node is 100ms, and the transmission time between gateway node and satellite is
200ms.According to the data provided in the prior art, using the scheme of traditional point-to-point broadcast, data are generated from ordinary node
It wraps and realizes that the whole network diffusion average time is 13s.The transmission time that scheme in the embodiment of the present invention needs is 100+100+200
+ 200=600ms, the total transmission time in the embodiment of the present invention only have the 4.6% of traditional scheme.
While using satellite, due to there is the retransmission mechanism on ground and satellite collaboration, transaction and block information ensure that
Reliable transmission ensure that effective broadcast of data by retransmitting when part of nodes can not receive broadcast data, take into account efficiency
And reliability.Assuming that D is the number of deals in each block, T be the time for broadcasting block needs, then block catenary system gulps down
The rate of spitting can be measured with D/T.According to test result in the prior art, for traditional block catenary system, in D < 20k,
Increasing D can be improved system throughput.But when D is sufficiently large, system throughput tends to be saturated, and has seriously affected block chain
The practicability of system.In encrypted communication scheme of the invention, D only needs to be correspondingly improved time-frequency, power of transmission etc. after increasing
The communication resource can keep in a certain range T constant, so as to significantly be mentioned by improving the trading volume broadcasted every time
The throughput of high block catenary system.
Assuming that the data-bag lost of satellite broadcasting or the probability of error are p, data package size is B bit.If do not adopted
The strategy retransmitted with satellite ground collaboration, it is assumed that all by terrestrial retransmission, each data packet bring volume of transmitted data is pBN.
When number of users N is larger, re-transmission data volume is larger, be easy to cause the obstruction of gateway node.If all retransmitted by satellite, defend
Star needs to retransmit data with Probability p, reduces satellite broadcasting efficiency.And after using the present invention program, only there is great deal of nodes
Just pass through satellite when not being properly received satellite broadcasting to be broadcasted, and can bandwidth, data according to real satellite
Transmission quantity, actual transmission channel feature carry out dynamic adjustment retransmission parameter, so that dynamic select ground communication retransmits or satellite is wide
Re-transmission is broadcast, the efficiency of ground communication and satellite broadcasting entirety is improved, realizes that the reliable whole network data of high speed is synchronous.
Figure 12 cooperates with the communication broadcast self-adapting fusing device in block catenary system for star provided in an embodiment of the present invention
Schematic diagram, as shown in figure 12, the embodiment of the present invention cooperate with the communication broadcast in block catenary system adaptively to melt with providing a kind of star
It attaches together and sets, for executing any of the above-described method as described in the examples, specifically include broadcast module 1201 and judgment module 1202,
Wherein:
Target ordinary node is used to broadcast the target data of itself generation by broadcast module 1201, and starts timing, with
Continue to broadcast the target data for the first neighbor node, so that the target data is sent satellite by the first gateway node,
The target data is subjected to the whole network broadcast by the satellite；After preset time, if the target ordinary node passes through
The target data for not receiving the satellite broadcasting is known in the judgement of judgment module 1202, then again to the first gateway section
Point sends the target data, so that first gateway node sends the satellite for the target data again, by institute
It states satellite and the target data is subjected to the whole network broadcast again.
The embodiment of the present invention cooperates with the communication broadcast self-adapting fusing device in block catenary system with providing a kind of star, is used for
Any of the above-described method as described in the examples is executed, the device provided through this embodiment executes described in above-mentioned a certain embodiment
Method specific steps it is identical as above-mentioned corresponding embodiment, details are not described herein again.
The communication broadcast self-adapting fusing device in block catenary system is cooperateed with to star provided in an embodiment of the present invention, passes through ground
Face node and satellite carry out the broadcast of cooperative scheduling adaptive retransmission, the high efficiency that can be effectively broadcasted on a large scale using satellite and
The flexibility of ground network transmission, to meet the needs of block catenary system synchronizes communication system high speed, reliable, the whole network.
Figure 13 is the structural schematic diagram of electronic equipment provided in an embodiment of the present invention, and as shown in figure 13, the equipment includes:
Processor 1301, memory 1302 and bus 1303；
Wherein, processor 1301 and memory 1302 complete mutual communication by the bus 1303；
Processor 1301 is used to call the program instruction in memory 1302, is provided with executing above-mentioned each method embodiment
Method, for example,
The target data that target ordinary node broadcast itself generates, and start timing, so that the first neighbor node continues extensively
The target data is broadcast, so that the target data is sent satellite by the first gateway node, by the satellite by the target
Data carry out the whole network broadcast；
After preset time, if the target ordinary node does not receive the number of targets of the satellite broadcasting
According to then again to first gateway node transmission target data, so that first gateway node is again by the mesh
Mark data are sent to the satellite, and the target data is carried out the whole network broadcast again by the satellite.
The embodiment of the present invention provides a kind of computer program product, and the computer program product is non-transient including being stored in
Computer program on computer readable storage medium, the computer program include program instruction, when described program instructs quilt
When computer executes, computer is able to carry out method provided by above-mentioned each method embodiment, for example,
The target data that target ordinary node broadcast itself generates, and start timing, so that the first neighbor node continues extensively
The target data is broadcast, so that the target data is sent satellite by the first gateway node, by the satellite by the target
Data carry out the whole network broadcast；
After preset time, if the target ordinary node does not receive the number of targets of the satellite broadcasting
According to then again to first gateway node transmission target data, so that first gateway node is again by the mesh
Mark data are sent to the satellite, and the target data is carried out the whole network broadcast again by the satellite.
The embodiment of the present invention provides a kind of non-transient computer readable storage medium, the non-transient computer readable storage
Medium storing computer instruction, the computer instruction make the computer execute side provided by above-mentioned each method embodiment
Method, for example,
The target data that target ordinary node broadcast itself generates, and start timing, so that the first neighbor node continues extensively
The target data is broadcast, so that the target data is sent satellite by the first gateway node, by the satellite by the target
Data carry out the whole network broadcast；
After preset time, if the target ordinary node does not receive the number of targets of the satellite broadcasting
According to then again to first gateway node transmission target data, so that first gateway node is again by the mesh
Mark data are sent to the satellite, and the target data is carried out the whole network broadcast again by the satellite.
Those of ordinary skill in the art will appreciate that: realize that all or part of the steps of above method embodiment can pass through
The relevant hardware of program instruction is completed, and program above-mentioned can be stored in a computer readable storage medium, the program
When being executed, step including the steps of the foregoing method embodiments is executed；And storage medium above-mentioned includes: ROM, RAM, magnetic disk or light
The various media that can store program code such as disk.
The embodiments such as device and equipment described above are only schematical, wherein described be used as separate part description
Unit may or may not be physically separated, component shown as a unit may or may not be
Physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to the actual needs
Some or all of the modules therein is selected to achieve the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying
In the case where creative labor, it can understand and implement.
Through the above description of the embodiments, those skilled in the art can be understood that each embodiment can
It realizes by means of software and necessary general hardware platform, naturally it is also possible to pass through hardware.Based on this understanding, on
Stating technical solution, substantially the part that contributes to existing technology can be embodied in the form of software products in other words, should
Computer software product may be stored in a computer readable storage medium, such as ROM/RAM, magnetic disk, CD, including several fingers
It enables and using so that a computer equipment (can be personal computer, server or the network equipment etc.) executes each implementation
Method described in certain parts of example or embodiment.
Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
Present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: it still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；
And these are modified or replaceed, technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. cooperateing with to a kind of star the communication broadcast method for self-adaption amalgamation in block catenary system characterized by comprising
The target data that target ordinary node broadcast itself generates, and start timing, so that the first neighbor node continues to broadcast institute
Target data is stated, so that the target data is sent satellite by the first gateway node, by the satellite by the target data
Carry out the whole network broadcast；
After preset time, if the target ordinary node does not receive the target data of the satellite broadcasting,
Again the target data is sent to first gateway node, so that first gateway node is again by the target data
It is sent to the satellite, the target data is carried out again by the whole network broadcast by the satellite.
2. the method according to claim 1, wherein when the target data be target transaction when, described first
After neighbor node receives the target transaction of the target ordinary node broadcast, following steps are executed:
Verify the legitimacy of the target transaction；
If being verified, the target transaction is added in domestic transaction pond, the target transaction is otherwise abandoned.
3. the method according to claim 1, wherein when the target data be target block when, described first
After neighbor node receives the target block of the target ordinary node broadcast, following steps are executed:
Verify the legitimacy of the target block；
If being verified, according to other blocks of the preservation in local data base number and the target block number,
Judge whether there is the block lacked；
If there is the block lacked, block request is sent to the second neighbor node and the second gateway node, to obtain the area lacked
Block.
4. the method according to claim 1, wherein when the target data be target transaction when, described first
After gateway node receives the target transaction of the target ordinary node broadcast, following steps are executed:
Check in local cache whether there is the target transaction；
If the target transaction is saved in local data base without the target transaction, and the target transaction is added
Enter into local cache, and the value of the priority by the target transaction in local cache is set as the first preset value.
5. the method according to claim 1, wherein when the target data be target block when, described first
After gateway node receives the target block of the target ordinary node broadcast, following steps are executed:
The target block is saved in local data base, and the target block is added in local cache, and by institute
The value for stating priority of the target block in local cache is set as the second preset value；
According to the number of other blocks of the preservation in local data base and the number of the target block, judges whether there is and lack
Block；
If there is the block lacked, block request is sent to the second gateway node, to obtain the block lacked.
6. the method according to claim 1, wherein when the target data be target transaction when, described first
After gateway node receives the target transaction of the satellite broadcasting, following steps are executed:
Check in local cache whether there is the target transaction；
If the target transaction is saved in local data base without the target transaction；
If there is the target transaction, the target transaction is deleted from local cache.
7. the method according to claim 1, wherein when the target data be target block when, described first
After gateway node receives the target block of the satellite broadcasting, following steps are executed:
Check in local cache whether there is the target block；
If the target block is saved in local data base without the target block, and according in local data base
Preservation other blocks number and the target block number, judge whether there is the block lacked；
If there is the block lacked, block request is sent to the second gateway node, to obtain the block lacked.
8. according to claim 3,5 or 7 described in any item methods, which is characterized in that when second gateway node receives institute
After stating block request, following steps are executed:
Check in local data base whether there is the target block；
If there is the target block, the target block is sent to requesting party；
Check in local cache whether there is the target block；
If there is the target block, the value of priority of the target block in local cache is increased into a unit.
9. the method according to claim 1, wherein when the target data be target transaction when, the satellite
After receiving the target transaction that first gateway node is sent, following steps are executed:
Check in local cache whether there is the target transaction；
If the target transaction is added in local cache without the target transaction, and by the target transaction at this
The value of priority in ground caching is set as third preset value；
If there is the target transaction, the value of priority of the target transaction in local cache is increased into a unit.
10. the method according to claim 1, wherein when the target data be target block when, the satellite
After receiving the target block that first gateway node is sent, following steps are executed:
Check in local cache whether there is the target block；
If the target block is added in local cache without the target block, and by the target block at this
The value of priority in ground caching is set as the 4th preset value；
If there is the target block, the value of priority of the target block in local cache is increased into a unit.
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