xclusions Break Bin-Packing 25 CTV Traffic Shaping SSAI Server Auction Demand Partners Category Dedup hb_pb_cat_dur Ad Server 1 pod request 2 OpenRTB 3 bids 4 bids + cat 5 survivors 6 keys 7 ad request 8 filled pod P_
Exclusions Break Bin-Packing CTV Traffic Shaping 25 SSAI sends a pod request 1 . PBS fans out via OpenRTB; bids carry IAB categories 4 . applyCategoryMapping deduplicates — one winner per industry group 5 , encoded as hb_pb_cat_dur keys 6 . Keys return to SSAI, which passes them as query-string keywords to the ad server 7 for fill 8 . A $20 bid loses to 2×$9 that fit time and exclusion. FIELD NOTES → Bids with zero or multiple IAB categories rejected via seatnonbid → OpenRTB 2.5 has no pod fields; hb_pb_cat_dur is the workaround P_ atd.postindustria.com/25

How It Works

SSAI sends a pod request [1]. PBS fans out via OpenRTB; bids carry IAB categories [4]. `applyCategoryMapping` deduplicates — one winner per industry group [5], encoded as `hb_pb_cat_dur` keys [6]. Keys return to SSAI, which passes them as query-string keywords to the ad server [7] for fill [8]. A $20 bid loses to 2×$9 that fit time and exclusion.

Field Notes

  • Bids with zero or multiple IAB categories rejected via `seatnonbid`
  • OpenRTB 2.5 has no pod fields; `hb_pb_cat_dur` is the workaround

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