5 Traffic control: Fine-grained traffic routing
This chapter covers
- Traffic routing basics
- Shifting traffic during a new release
- Mirroring traffic to reduce the risk of a new release
- Controlling traffic as it leaves a cluster
In the previous chapter, we saw how to get traffic into a cluster and what considerations we needed to account for when doing so. Once a request makes it into our cluster, how is it routed to the appropriate service to handle the request? How do services that live within the cluster communicate with other services that live within the same cluster or outside the cluster? Finally, and most importantly, when we make changes to a service and introduce new versions, how do we safely expose our clients and customers to these ...
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