Microsoft is previewing Azure Web PubSub, an Azure cloud service for building real-time web applications using the WebSocket protocol for two-way communication.
Unveiled April 29, Azure Web PubSub enables developers to use WebSockets and a publish-subscribe pattern to build real-time web applications such as live monitoring dashboards, real-time location on maps, and cross-platform live chats.
Microsoft said Azure Web PubSub is meant to spare developers from significant infrastructure investment, setup, and maintenance tasks, allowing them to focus on user experiences. Implementing a WebSocket-based real-time experience would otherwise require a developer to set up infrastructure to handle client connections, establish mechanisms for on-demand scaling, and ensure business SLA requirements are met.
Furthermore, real-time scenarios often need high-frequency data flows and large volumes of concurrent connections between the client and server, Microsoft said. The Azure Web PubSub service supports large-scale client connections and highly available architectures, letting developers focus on application logic for real-time connected experiences.
To get started with Azure Web PubSub, developers can go to docs.microsoft.com. Native WebSocket is supported along with languages including C#, Java, and Python, via WebSocket APIs. The service also supports the json.webpubsub.azure.v1 subprotocol, enabling clients to use publish-subscribe without routing data between the service and back-end server code.
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