Slide 20
Slide 20 text
Prioritized Retry-able queue
[
[RTB], // The result of RTB
[A, B, C], // stage a: the group to try request adnetworks.
[D, E, F], // stage b: start to try if all request fails in stage a.
[G, H], // stage c: start to try if …. in stage b
]
A is most high priority
H is most lowest priority