How does Shopify routes Traffic?

A short read — https://shopify.engineering/mobius-shopify-unified-edge

What is the Problem?

• The traffic could be ingress from multiple sources.
• Edge could support a few types of applications only.
• It was hard to onboard a new service to the edge.
• Observability of overall traffic was missing or incomplete.

What’s an Edge?

The edge is a boundary between external traffic and internal cluster