RTSP 1.0 vs RTSP 2.0

Question

Real-time Streaming Traffic Protocol (RTSP) version 1.0 was published as RFC 2326 in 1998.

Now, almost 20 years later, version 2.0 was published as RFC 7826 in December 2016.

I am wondering if the changes affect the real-time streaming performance using RTSP (in relation to the real-time transport protocol (RTP)).

I know that RTSP is not used to send data in real time, but it is used to create a session and control mechanisms, such as playing, pausing or stopping a stream. So, I think that the changes do not affect the end-to-end latency between the sender and the receiver?

But in the changes he indicates, for example,

Request pipelining to quickly start a session

So my question is: is there a measurable performance impact on the changes made?

For instance:

• session start time (time before the start of stream playback)
• final latency
• RTSP Traffic Amount
• ...

Answer 1

It depends on what your implementation supports today ... if you read news-related groups or even the first few paragraphs of the RFC, you will quickly begin to understand this ...

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