Tuesday, 23 June 2026

More Demand Side Platforms (DSPs). Same Inventory. Bigger Problems

 Programmatic advertising infrastructure is becoming increasingly fragmented.

One thing I’ve consistently noticed across agencies and advertisers is that adding more Demand Side Platforms (DSPs) does not automatically create incremental reach or better programmatic performance.

In many cases, multiple DSPs end up accessing the same Supply Side Platforms (SSPs), exchanges, marketplaces, and publisher inventory through overlapping supply paths.

The result is often:
→ self-competition in auctions
→ duplicated reach
→ fragmented frequency control
→ reporting inconsistencies
→ Supply Path Optimization (SPO) complexity
→ operational overhead

The objective is not simply “more DSPs.”

The objective is building the right Demand Side Platform (DSP) architecture aligned with inventory strategy, measurement consistency, operational efficiency, and incremental outcomes.



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