Azure Relay is one of the key capability pillars of the Azure Service Bus platform. The Relay’s new "Hybrid Connections" capability is a secure, open-protocol evolution based on HTTP and WebSockets. It supersedes the former, equally named "BizTalk Services" feature that was built on a proprietary protocol foundation. The integration of Hybrid Connections into Azure App Services will continue to function as-is.
"Hybrid Connections" allows establishing bi-directional, binary stream