Service mesh is a relatively new architecture for application development and delivery. Service mesh has emerged in response to the challenges of digital transformation and application modernization, as it offers the consistent observability, connectivity, security, and resilience capabilities that modern microservices applications require. In the enterprise, service mesh plays a critical role in the areas of application modernization and cloud migration. It's a necessary tool for organizations that need a zero trust security posture, are managing multi-platform or multi[1]cloud environments, or a combination of the above.