Systems and methods for media processing and streaming are provided. A method is performed by a Network-Based Media Processing (NBMP) source of a Framework for Live Uplink Streaming (FLUS) system. The method includes obtaining descriptions of capabilities of a FLUS sink via a FLUS source; and sending, to an NBMP workflow manager of the FLUS system via a path that does not include the FLUS source and the FLUS sink, a request to create or modify a workflow of the FLUS system based on the descriptions of the capabilities obtained.