Migrating Legacy APIs into an Istio Service Mesh

When talking to customers about microservices, one of the concerns I frequently hear is how to handle legacy application migration. Organizations need clear and easy paths to migrate their existing functionality into a service mesh. Because the universe of legacy systems is so varied, including monolithic custom middleware, databases, web servers, etc., this article will focus on API gateways and RESTful services because they can take advantage of many of the features of a service mesh.