Multi-CDN is not a new phenomenon. But in the wake of ongoing consolidation in the CDN marketplace (RIP StackPath, Edgio, and Lumen), there is renewed appetite for making multi-CDN orchestration less painful. If you are not in the weeds of multi-CDN instrumentation, a company called IO River may not have drifted onto your radar. But for content providers, what will raise eyebrows is the promise of a 40% to 50% performance boost for multi-CDN setups, alongside more predictable delivery. At a time when multi-CDN is becoming simultaneously more critical and more chaotic, as highlighted in a CDN Alliance survey showing that 41% of users believe multi-CDN is getting harder, IO River is positioning itself as a control layer for exactly…