In many cases, not all the parts of a microservices-based application reside in a service mesh. Sometimes, the microservices-based applications use functionality provided by legacy systems that reside outside the mesh. You may want to migrate these systems to the service mesh gradually. Until these systems are migrated, they must be accessed by the applications inside the mesh. In other cases, the applications use web services provided by third parties. In this blog post, I modify the Istio B...
