The video tutorial discusses the second iteration of an ecommerce application, focusing on microservice communications and API gateway patterns. It covers client application technologies like Angular, Vue, and React, and explores API gateway options such as Conch, Tych, and Amazon API Gateway. The tutorial also delves into service registry and discovery technologies, including Netflix and Kubernetes, and discusses backend microservices and database technologies like Java, .NET, Node.js, MongoDB, Redis, and Postgres.

Describe the differences between Conch and Tych as API gateways.

What potential problems are anticipated in the next video regarding the ecommerce application?