Hyperledger Fabric is a type of permissioned blockchain network. Owing to the benefits of this wonderful technology, more and more companies are implementing their business. Let us know more about Hyperledger Fabric in detail.
How do Hyperledger works?
All those organizations that participate in implementing this fabric network are known as “members”. Each of the member organizations presents within the blockchain network is required to set up the peers for partaking in the network. All the peers are organized with suitable cryptographic materials that include Certificate Authority.
Peers in these member organizations get contract invocation requests. A client is an application portal, specific organization, and business activities. The client application makes use of Hyperledger Fabric SDK to cooperate with the Hyperledger Fabric network. Chaincode installed in peers leads to start transaction invocation requests.
Chain Yard is a popular blockchain consulting service that offers various types of services such as hyperledger consulting, IBM blockchain consulting, etc. Peers maintain a single one ledger per channel to which they subscribe. Not all types of peer nodes are similar. There are various kinds of peer nodes that show varying roles in a network. These are:
- Endorser peer
- Anchor peer
- Orderer peer
When peers are tagged as “Endorser peer” and they receive the “transaction invocation request” from a Client app, then
- It validates the entire transaction. It checks the roles of requester and certificate details.
- It executes the chain code followed by the simulation of the result of the transaction. It doesn’t update the ledger.
- An endorser has the right to agree or disagree with the transaction at the conclusion of the above process.
- The Endorser node implements the Chaincode so that there is no need to install “Chaincode” in nodes of the network that enhances the network scalability.
Anchor peer is organized during the configuration of the Channel. Hyperledger Fabric can arrange secret channels amongst the transactions and peers.
Anchor peer obtains broadcasts and updates to the peers within the organization. As these peers are identifiable, any peer tagged as an anchor peer is identified by the “Orderer peer”.
Orderer peer is the centralized communication channel for the implementation of the Hyperledger Fabric network. These peers or nodes are responsible for the steady Ledger state throughout the network. These types of peer form a block as well as deliver that to the peers connected to it.
Orderer is developed on top of any message-oriented architecture. Basically, there are 2 options available for the execution of an orderer peer. These two options are kafka and solo. Let us learn about them.
Kafka: This is a “production-ready” Hyperledger fabric network. This network uses Kafka for the implementation of orderer peers. Kafka is popular messaging software with high throughput error tolerance feature.
Solo: this type of orderer peer is appropriate for development. It leads to a single-point failure. It is not suitable for the use by any production-ready network.
Hyperledger Fabric is one of the popular implementations in blockchain networks. These are the ways in which it is executed in a business.