Episode 21 — OSPF vs BGP: which problem each one is solving
OSPF and BGP appear in CloudNetX scenarios as signals about routing scope and intent, and this episode clarifies the distinct problems each protocol solves. It defines OSPF as an interior routing approach designed for controlled environments where the goal is efficient path selection within an organization, and it defines BGP as a policy-based routing approach used to exchange routes between distinct networks where relationships and control matter as much as shortest path. The first paragraph focuses on recognizing when a scenario is describing intradomain routing versus interdomain connectivity, and it explains how metrics and policy differ between the two. It also introduces the idea that protocol choice should follow the trust boundary and administrative boundary, because the operational risks and controls change significantly when routing crosses those boundaries.
