The PUSH_PROMISE frame (type=0x5) is used to notify the peer endpoint in advance of streams the sender intends to initiate. The PUSH_PROMISE frame includes the unsigned 31-bit identifier of the stream the endpoint plans to create along with a set of headers that provide additional context for the stream. (RFC 7540: Hypertext Transfer Protocol Version 2)


Return to list of all ( HTTP/2 Frame Types | Web Concepts )