![]() ![]() Traditionally, testers would measure the time it takes from when a client sends a request and receives a response. Things can get a bit tricky when it comes to measuring the response times of asynchronous calls. Testers must be aware of the differences between the two in order to properly measure response times and validate the performance of their applications. The server automatically pushes information and updates over a single TCP connection (which remains open), allowing for an ongoing, bi-directional conversation. This traditional request-response communication via WebSockets results in synchronous calls.Īsynchronous calls, on the other hand, do not require a client request to initiate a server response. In addition to facilitating real-time applications, WebSockets are also used by web developers as a way of maintaining a faster, longer connection between client and server, even for traditional request-response purposes. ![]() asynchronous callsįirst, you’ll need to understand the kind of WebSocket communication your application is using: synchronous or asynchronous calls. If you’re utilizing WebSocket technology, performance testing will boil down to simulating the bi-directional nature of your application. ![]() Providing a full-duplex communication channel over a single TCP connection, WebSocket is the most efficient protocol for real-time responses over the web. WebSocket technology creates a persistent connection between the client and server, circumventing the requirement for a client-initiated HTTP request to trigger a server response. Introduced with HTML5, the WebSocket protocol allows for more interaction between a browser and website, facilitating real-time applications and live content. ![]()
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