What Happens When AWS Networking Misbehaves?

[Martha]

VPC, routing tables, and security groups are frequent sources of outages. How often are network misconfigurations responsible for downtime? This discussion focuses on why networking issues are harder to debug than compute failures.

 

[The Jason]

Well, my guess is that this stuff is hands-off so the people you paid will deal with it, but how? Where to even begin?

 

[Heatman]

Whenever AWS networking is misbehaving, the impact is widespread and hard to trace. This is why networking issues are a disproportionate cause of downtime. Also, with AWS networking being layered, it means that any failure with any layer breaks traffic which is a big problem.