Why Do I Need Tetrate in Addition to Open Source Istio?
Tetrate Service Bridge (TSB) and Tetrate Service Express (TSE) provide an additional management layer that enables platform teams to deliver business value in security and resilience without building their own management plane on top of Istio. Tetrate provides centralized policy management, micro-segmentation in a multitenancy environment through TSB and TSE. Tetrate also offers enterprise support of open source Istio, FIPS-verified Istio builds with certification suitable for FedRAMP through Tetrate Istio Subscription (TIS).