Hello,

We have a basic question on “Global Source ID and Source Port”. From reading 
the PGM documentation it says that the id should be unique. I was not able to 
find the code that generates the id in the pgm code source. In our application 
stack, all applications on the same subnet are having the same 
“GlobalSourceID”. Yesterday we had 2 sources have the same source port and one 
of them could not connect to the subscriber. We were wondering if the 
uniqueness of these 2 fields could have caused the issue. Any input into how 
this ID is generated will be helpful.





“



         A globally unique source identifier.  This ID MUST NOT change

         throughout the duration of the transport session.  A

         RECOMMENDED identifier is the low-order 48 bits of the MD5 
[9<https://datatracker.ietf.org/doc/html/rfc3208#ref-9>]

         signature of the DNS name of the source.  Global Source ID

         together with Data-Source Port forms the TSI.

“

Thanks,
Anna.

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