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1. 发明公开

EP3975506A1 METHODS AND APPARATUSES FOR TRANSMITTING MESSAGES 有权
公开(公告)号：EP3975506A1
公开(公告)日：2022-03-30
申请号：EP21182233.3
申请日：2021-06-29
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： WANG, Jiang , ZENG, Chao , SUN, He
IPC分类号： H04L29/08
摘要： One or more embodiments of this specification provide a method and an apparatus for transmitting messages, and are applied to a relay node in a blockchain relay communication network, where the relay node includes two or more message queues, and the same message queue is used for storing blockchain messages having the same priority identifier. The method includes: obtaining a to-be-transmitted blockchain message from the message queues based on a message transmission policy, the message transmission policy is configured for transmitting a high-priority blockchain message first; obtaining identifier information included in the to-be-transmitted blockchain message, and determining a blockchain node corresponding to the identifier information as a target blockchain node corresponding to the to-be-transmitted blockchain message; determining a target relay node connected to the target blockchain node in the blockchain relay communication network; and transmitting the blockchain message to the target blockchain node through the target relay node.

2. 发明公开

EP3975447A1 MESSAGE TRANSMISSION METHODS AND APPARATUSES 有权
公开(公告)号：EP3975447A1
公开(公告)日：2022-03-30
申请号：EP21181694.7
申请日：2021-06-25
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： ZENG, Chao , WANG, Jiang , SUN, He
IPC分类号： H04B7/14 , H04L9/32 , H04L12/741 , H04L12/751
摘要： One or more embodiments of this specification provide a message transmission method and apparatus applied to a relay node in a blockchain relay communication network. The method includes: receiving a message packet, each message packet being configured to record a partial message content of a message to be transmitted; parsing the received message packet to obtain encapsulation information of the message to be transmitted, the encapsulation information being configured to indicate a type of a blockchain message located behind the encapsulation information in the message to be transmitted; and if the encapsulation information indicates that the blockchain message is a block synchronization message, forwarding the received message packet without receiving all message packets corresponding to the message to be transmitted.

3. 发明公开

EP3975027A1 BLOCKCHAIN SYSTEMS, AND MESSAGE TRANSMISSION METHODS AND APPARATUSES 有权
公开(公告)号：EP3975027A1
公开(公告)日：2022-03-30
申请号：EP21181391.0
申请日：2021-06-24
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： SUN, He , ZENG, Chao , WANG, Jiang
IPC分类号： G06F21/64
摘要： One or more embodiments of this specification provide a blockchain system, and a message transmission method and apparatus. The method is applicable to a load balancer belonging to any relay cluster in a blockchain relay communication network, the blockchain relay communication network includes at least one relay cluster, each blockchain node is connected to at least one relay cluster, each relay cluster includes a load balancer and at least one relay node connected to the load balancer. The method includes: allocating, after receiving a blockchain message from any blockchain node, the blockchain message to a specific relay node in the any relay cluster, for the specific relay node to determine a target relay cluster according to identification information included in the blockchain message, the target relay cluster is connected to a target blockchain node indicated by the blockchain message; and transmitting, after receiving the blockchain message returned by the specific relay node, the target blockchain message to the target blockchain node through the target relay cluster.

4. 发明公开

EP3975507A1 BLOCK SYNCHRONIZATION METHODS AND APPARATUSES 有权
公开(公告)号：EP3975507A1
公开(公告)日：2022-03-30
申请号：EP21182255.6
申请日：2021-06-29
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： ZENG, Chao , WANG, Jiang , SUN, He
IPC分类号： H04L29/08 , G06F16/27
摘要： One or more embodiments of this specification provide a block synchronization method and apparatus. The method is applicable to any relay node in a blockchain relay communication network, relay nodes in the blockchain relay communication network are respectively connected to corresponding blockchain nodes in a blockchain network, and the method includes: sending a block obtaining request to a historical block synchronization device in response to a block synchronization request sent by any blockchain node connected, to cause the historical block synchronization device to return a historical block obtained from a blockchain node in the blockchain network; and forwarding the received historical block to the any blockchain node, to cause the any blockchain node to perform block synchronization on stored blocks based on the received historical block.

5. 发明公开

EP3975504A1 METHODS AND APPARATUSES FOR TRANSMITTING MESSAGES 审中-实审
公开(公告)号：EP3975504A1
公开(公告)日：2022-03-30
申请号：EP21179717.0
申请日：2021-06-16
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： ZENG, Chao , WANG, Jiang , SUN, He , DENG, Fuxi
IPC分类号： H04L29/08 , H04L12/715
摘要： One or more embodiments of this specification provide a method and an apparatus for transmitting messages, being applicable to a relay node in a blockchain relay communication network. The method includes: registering, based on a registration request submitted by each blockchain node, the blockchain node to a blockchain node set indicated by the registration request; determining, when receiving a blockchain message sent for a target blockchain node set, a target blockchain node registered to the target blockchain node set and a target relay node in the blockchain relay communication network and connected to the target blockchain node; and transmitting the blockchain message to the target blockchain node through the target relay node.

6. 发明公开

EP3975473A1 MESSAGE TRANSMISSION METHODS AND APPARATUSES 审中-实审
公开(公告)号：EP3975473A1
公开(公告)日：2022-03-30
申请号：EP21181360.5
申请日：2021-06-24
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： SUN, He , ZENG, Chao , WANG, Jiang
IPC分类号： H04L9/32
摘要： This specification provides a message transmission method and apparatus, applicable to a relay node in a blockchain relay communication network. The method can include: receiving digital a certificate sent by each blockchain node, the digital certificate includes identity information of the corresponding blockchain node and network identifier information of a blockchain network to which the blockchain node belongs; performing signature verification for the digital certificate by using a public key of a certification authority (CA) issuing the digital certificate, and associatively recording a mapping relationship between identity information of the blockchain node and corresponding network identifier information in a case that the signature verification succeeds; determining, in a case that a blockchain message sent by any blockchain node is received, receiver identity information of the blockchain message and target network identifier information of the any blockchain node, and determining, according to the mapping relationship, a target blockchain node matching the target network identifier information and the receiver identity information; and transmitting the blockchain message to the target blockchain node.

7. 发明公开

EP3975505A1 MESSAGE TRANSMISSION METHODS AND APPARATUSES 有权
公开(公告)号：EP3975505A1
公开(公告)日：2022-03-30
申请号：EP21179950.7
申请日：2021-06-17
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： WANG, Jiang , ZENG, Chao , SUN, He
IPC分类号： H04L29/08 , H04L12/701
摘要： One or more embodiments of this specification provide a message transmission method and apparatus, applicable to a first relay node in a blockchain relay communication network. The method includes: registering, according to a registration request submitted by each blockchain node, the each blockchain node to a blockchain node set indicated in the registration request, to respectively generate a routing policy corresponding to the each blockchain node, the routing policies are organized into a tree-structured routing table; determining, when receiving a blockchain message sent for a target blockchain node in a target blockchain node set, a target relay node connected to the target blockchain node in the blockchain relay communication network according to the tree-like routing table; and transmitting the blockchain message to the target blockchain node by using the target relay node.

8. 发明公开

EP3975005A1 MESSAGE TRANSMISSION METHODS AND APPARATUSES 有权
公开(公告)号：EP3975005A1
公开(公告)日：2022-03-30
申请号：EP21182217.6
申请日：2021-06-29
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： WANG, Jiang , ZENG, Chao , SUN, He
IPC分类号： G06F16/27 , H04L29/08 , H04L12/741
摘要： One or more embodiments of this specification provide a message transmission method and apparatus applied to a first relay node in a blockchain relay communication network. The method includes: respectively registering, according to a registration request submitted by each blockchain node, the blockchain node to a blockchain node set indicated by the registration request; querying, when receiving a first blockchain message sent for a target blockchain node in a target blockchain node set from a connected blockchain node, information of the blockchain node connected to the first relay node, a primary routing table and a secondary routing table until target relay nodes that all target blockchain nodes are connected to have been determined; and transmitting the first blockchain message to the target blockchain node through the target relay node.

9. 发明公开

EP3962002A1 COMMUNICATION OPTIMIZATION SYSTEMS OF BLOCKCHAIN NETWORK, REGISTRATION METHODS AND MESSAGE FORWARDING METHODS 有权
公开(公告)号：EP3962002A1
公开(公告)日：2022-03-02
申请号：EP21182263.0
申请日：2021-06-29
申请人： Alipay (Hangzhou) Information Technology Co., Ltd.
发明人： XIE, Youpeng , KOU, Guannan , JIN, Wenxiang , YE, Rungui , KONG, Lingtao , ZENG, Chao , HOU, Liman , CHEN, Yifan , WANG, Jiang , SUN, He , LIU, Ke , ZHANG, Lei , XIAO, Han
IPC分类号： H04L12/701 , H04L12/751 , H04L12/761 , H04L29/08 , H04L9/32 , H04L12/803
摘要： Embodiments of the present specification disclose a communication optimization system of a blockchain network, a registration method, and a message forwarding method, where the system includes two or more relay nodes and a global node. The relay node is configured to: establish a connection with a blockchain node in response to a connection request of the blockchain node; receive a registration request of the blockchain node, where the registration request includes an ID of the blockchain node and an ID of a relay node connected to the blockchain node; generate a registration event based on the registration request and transmit the registration event to the global node, where the registration event includes the ID of the blockchain node and the ID of the relay node connected to the blockchain node; update a local routing table based on the obtained registration event, where the local routing table includes a corresponding relationship between the ID of the blockchain node and the ID of the relay node connected to the blockchain node; and forward a message of the blockchain node based on the local routing table. The global node is configured to transmit a registration event of any relay node to another relay node.

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