![]() Keeping the list of peers on the clusters live and up to date can be challenging, so we recommend using the cloud service provider's DNS service such as Route 53 or Azure DNS and adapting the charts to create entries for each node when it comes up. Besu nodes on cluster A should work as expected, and Besu nodes on cluster B should use the list of peers provided to communicate with the nodes on cluster A. That is, you can provision cluster B only after cluster A has Besu nodes up and running.ĭeploy the network on cluster A, and then on cluster B. ![]() Enter your subnet to get the subnet mask, wildcard mask, network/broadcast address, and number of assignable hosts. also provides an easy way of translating between CIDR notation and dotted-decimal format if needed. Depending on your DNS settings, they might be fine as is, or they might need to be actual IP addresses. This online calculator helps you determine whether a network has enough hosts. Then deploy the genesis chart on one cluster and copy across the genesis file and static nodes config maps. When you spin up clusters, use CNI and CIDR blocks to match the subnet's CIDR settings. Once done, peer the VPCs together and update the subnet route table, so they are effectively a giant single network. Ideally, you want to create two separate VPCs (or VNets) and make sure they have different base CIDR blocks so that IP addresses don't conflict. When CNI is used, multi-cluster support is simple, but you have to cater for cross-cluster DNS names. We have a monitoring chart which uses Grafana and you can use it with Alertmanager to create alerts or alternatively alert via Cloudwatch or Azure Monitoring. To connect an external node to your cluster, the easiest way is to use a VPN as seen in the following multi-cluster setup.įinally, we recommend setting up monitoring and alerting from the beginning, so you can get early warnings of issues rather than after failure. Please check the limitations and use CNI where possible. ![]() You can connect to APIs and services outside the cluster normally, but connecting into your network (such as adding an on-premise node to the network) might require more configuration. Where possible, we recommend you use multiple bootnodes and static nodes to speed up peering. The scheduler also ensures that deployments are spread out across zones. We also recommend you test the entire process, from provisioning infrastructure to updating nodes on a Dev cluster, prior to launching your production network.īy default, the cloud Kubernetes clusters take care of availability and do multi-zones within a region. The most important thing is to plan your network out on paper first and then test it in a Dev cluster to make sure connectivity works with your applications and you get the required throughput in transactions per second (TPS). Follow the steps outlined in the deploy charts tutorial to deploy the network.
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