WHIP and WHEP are protocols designed to simplify signalling in WebRTC using standard HTTP methods. WHIP simplifies the process of sending media streams from client devices to servers, while WHEP is used for delivering media streams from servers to clients. Both protocols use HTTP to handle signalling, making it easier to ingest and deliver media streams.
WHIP and WHEP simplify WebRTC signalling by reducing complexity, improving compatibility, and enabling fast development. They use stateless communication, which means the server does not need to maintain ongoing session information between requests. This improves scalability and allows developers to implement WebRTC apps more efficiently.
WHIP works by using HTTP POST requests to send SDP offers to the server, which responds with an SDP answer. The client then sends additional HTTP PATCH requests to exchange ICE candidates. WHEP works by using HTTP GET requests to request media streams from the server, which responds with an SDP offer. The client then sends an SDP answer in a subsequent POST request.
The benefits of using WHIP and WHEP include simplicity, ease of implementation, scalability, and cost-effectiveness. They also improve compatibility and enable fast development. By combining WHIP and WHEP, developers can create a comprehensive signalling solution for WebRTC.
To implement WHIP and WHEP in a WebRTC app, developers need to set up a WHIP server and integrate it with their application using modern technologies like Node.js and Docker. They also need to use a TURN server to facilitate media traversal through NAT and firewall. On the client side, developers need to capture media streams, create an RTCPeerConnection, and handle HTTP requests and responses for signalling.
In addition to WHIP, WHEP can be deployed to receive media streams from the server using HTTP signalling. This requires a basic understanding of WebRTC API in JavaScript, a media server that supports WHEP, and Metered.ca TURN server credentials.
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2024-10-27