# Programmatic advertising workloads
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 The petabyte-scale, millisecond latency world of programmatic advertising brings significant challenges for performance, throughput, latency, and costs to advertising platforms. The key platforms in programmatic advertising are ad servers, ad exchanges and SSPs, and DSPs. 

![Ad serving architecture](https://docs.aws.amazon.com/wellarchitected/latest/video-streaming-advertising-lens/images/ad-serving-architecture.png)


![Real-time bidding (RTB) reference architecture](https://docs.aws.amazon.com/wellarchitected/latest/video-streaming-advertising-lens/images/real-time-bidding-reference-architecture.png)


 For additional detail, see [Guidance for Building a Real Time Bidder for Advertising on AWS](https://aws.amazon.com/solutions/guidance/building-a-real-time-bidder-for-advertising-on-aws/). 

![Adtech private network architecture](https://docs.aws.amazon.com/wellarchitected/latest/video-streaming-advertising-lens/images/adtech-private-network-architecture.png)


 For additional detail, see [Guidance for AdTech Private Network on AWS](https://aws.amazon.com/solutions/guidance/adtech-private-network-on-aws/).