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InterviewSolution
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Should The Rtp Payload Type (pt) Field Be Used For Multiplexing Different Streams? |
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Answer» It has been suggested that in some environments (such as RTP over AAL5) that lack lower-layer muxing abilities, the RTP payload type (PT) field be used to differentiate streams originating from different SOURCES. This is a fundamentally bad idea and violates the letter and intent of the specification. It makes use of multiple PTs in a single stream DIFFICULT (see previous question). It is ALSO unnecessary, as the SSRC was designed for DISTINGUISHING SEVERAL sources. It has been suggested that in some environments (such as RTP over AAL5) that lack lower-layer muxing abilities, the RTP payload type (PT) field be used to differentiate streams originating from different sources. This is a fundamentally bad idea and violates the letter and intent of the specification. It makes use of multiple PTs in a single stream difficult (see previous question). It is also unnecessary, as the SSRC was designed for distinguishing several sources. |
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