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1 comment:

• File include/osmocom/bsc/pcu_if.h:

  • Patch Set #7, Line 11: struct gsm_bts *bts; /* BTS that is associated with this PCU */

    I am really not following here. […]

    (we discussed this also in IRC)

    We assign a single BTS to one PCU socket, but we also have one PCU socket per BTS. So its a 1:1 relationship.

    It is true that this is not how the PCUIF protocol was envisioned. I first followed the idea of the PCU protocol but then I noticed that the VTY assigns one PCU socket per BTS. Since this was already there I decided to follow the one PCU per BTS model.

    I also think that the one PCU per BTS approach is better since it would not concentrate the processing load in one process when multiple BTSs are used. It is also more likely to work since we didn't test OsmoPCU with multiple BTSs yet. Also a PCU crash will not affect all BTSs at once.

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