Design And Implementation Of Network Broadcast Control System Based On Hyperledger Fabric

With the rapid development of blockchain technology,the reliability of blockchain machine consensus has been paid more and more attention and applied by countries and enterprises all over the world.In China,blockchain technology has been upgraded by the Politburo to "an important breakthrough in core technology innovation" and a national strategic height for state ministries to join the "new infrastructure information technology infrastructure".It is clear that blockchain technology is being more and more important and may be widely used in a wide range of industries in the future.Many domestic technology enterprises are actively concerned about and develop blockchain technology,committed to be able to innovate in the field of blockchain,but we are more concerned about blockchain floor application,is to use blockchain as an effective tool means to use,I hope he can solve more business problems,promote enterprise cost decline,efficiency,more security,etc.,to create more value.The inspiration of this paper is based on the bank network broadcast control system,in this application,combined with the network characteristics of the blockchain itself,the construction of hyperledger Fabric architecture based on the network information playback system.The system is better than the original system in terms of performance and functionality through the complementary fusion of existing platform technology and blockchain technology.The main work of this paper is as follows:First,a blockchain-based network broadcast control system is built,and the system is based on the blockchain node environment based on the underlying technology architecture of Super Ledger Fabric.Through Docker virtualization technology,nodes are run in containers,and communication and data transmission between nodes are realized through P2 P network protocol.Second,the network model of "light node and client" is designed and implemented,so that the light node service interacts directly with the blockchain network node,and the client interacts directly with the light node service in principle.The advantage of this design is to avoid blockchain performance pressure due to too many clients,light nodes play a buffer role,so that the system achieves high compliity and high availability.Third,the storage of system information files is placed on IFS(content-based addressing file system).IPFS has the features of content addressing and blockchain tamper-proofing,which can effectively solve the problem of waste of resources and performance decline caused by storage on blockchain.Fourth,the binding of the management-side rights model RBAC and Fabric-Ca certificate system authorization is designed,so that the administrative-side users can also implement access control,operation and view blockchain data based on membership.Finally,based on hyperledger Fabric alliance chain,this paper designs and implements an autonomous and controllable network information broadcast control system,including management terminal system,blockchain service subsys system,IPFS chain storage service subsysty,client APP application subsysysty.Functional tests show that the system is scalable,strong,flexible and secure.It is hoped that this paper can provide a little bit of meager strength for the research on blockchain practice in the field of network broadcast control.