Every Azure region includes several data centers, the distance between data centers is measured in tens of kilometers, this introduces latency on network traffic when azure artifacts are deployed in different data centers. With proximity placement groups you can keep your VMs close one to each other and be sure they’re placed in the same data center, thus keeping network latency to a minimum.
On the contrary in terms of network vicinity, Availability Zones are now in preview for AKS, worker nodes can now be made zone resilient.
Speaking of networking and Azure IaaS, we had a few improvements in IPv6 for Azure vNets (still in preview):
- Standard IPv6 Public Load Balancer support
- Instance-level Public IP (IPv6)
- Azure Portal now includes interactive create/edit/delete of dual stack (IPv4/IPv6) Virtual Networks and subnets, IPv6 Network Security Group Rules, IPv6 User defined routes, and IPv6 Public IP’s.
The compute platform introduces 48 core options for Dv3, Ev3, FSv2 and Lsv2 Virtual Machines.
Azure Data Lake Storage introduces multi protocol access, basically you can access the data stored in a Data Lake via BLOB storage API as well as Data Lake Storage API. So basically you can have your Blob API enabled app to write in a Data Lake enabled storage.
Azure Database for MariaDB has released cross region read replicas (up to 5) in preview.
MongoDB to Azure Cosmos DB online and offline migrations now generally available
Azure database target readiness recommendations have been enabled in Azure Migrate.
Azure Resource Graph is now generally available
Stream Analytics released several new capabilities, to name a few: event hub integration or egress to Data Lake Gen2.
Microsoft released a web site to promote the Cloud Adoption Framework for Azure. It collects guidance and prescriptive guides to help in your cloud adoption.