mvp-spec/partials/transaction-nominal-case.mmd

sequenceDiagram

  participant U as User
  participant P as Publisher
  participant SSP as SSP
  participant DSP1 as DSP1
  participant DSP2 as DSP2

  U ->> P: Go to publisher.com
  P ->> SSP: Offer ad inventory
  SSP ->> DSP1: Send an OpenRTB bid request
  DSP1 ->> SSP: Return an OpenRTB bid response
  SSP ->> DSP2: Send an OpenRTB bid request
  DSP2 ->> SSP: Return an OpenRTB bid response
  SSP ->> SSP: Select a winner to the bid request
  SSP ->> P: Return data to display the ad
  P ->> U: Display the webpage with the ad.