Sep 12, 2022Member-onlyTry Out Istio Ambient ModeAmbient is a new data-plane model that Istio has just announced support for. In this post, we will try to install Istio’s ambient model and use the bookinfo demo to experience the L4 and L7 capabilities offered by ambient. Note: L4 refers to the four layers of the OSI standard…8 min read8 min read
Published in FAUN Publication·Mar 11, 2022Member-onlyHow to Pass the Certified Kubernetes Administrator (CKA) Exam Without Any StressThe CKA exam is not that hard. You can pass the CKA exam in less than 3 months without any stress if you follow the steps in this post to prepare. You have my word. I’ve tried myself and just successfully get my CKA certificate! How much time do I need to prepare for the CKA exam? It depends, an experienced DevOps…Cka10 min readCka10 min read
Published in ITNEXT·Oct 11, 2021Member-onlyHow to Manage Thrift, Dubbo, Redis, and Any Layer-7 Protocol in an Istio Service Mesh?Aeraki [Air-rah-ki] Mesh is an open-source service mesh I started about a year ago, and have been working on it till recently. Aeraki is the Greek word for ‘breeze’. While Istio connects microservices in a service mesh, Aeraki Mesh provides a non-intrusive, highly extendable way to allow Istio to support…Istio7 min readIstio7 min read
Sep 28, 2021service meshes only reliably support http traffic right nowService Mesh Wars, Goodbye Istio1.98K27Eric FossasAeraki(https://github.com/aeraki-framework/aeraki)Aeraki(https://github.com/aeraki-framework/aeraki) provides a framework to allow Istio to support more layer 7 protocols other than just HTTP and gRPC. Thrift, Dubbo, Redis, Kafka,ZooKeeper have been supported. Proprietary protocols can be supported by just implementing a Codec Interface.1 min read1 min read
Published in FAUN Publication·Jun 11, 2020Member-onlyHow to Integrate Your Service Registry with Istio?Microservice is a powerful software architecture to escalate innovations, and many businesses have been adopting microservice for a long time. However, the transition from monolith to microservice comes with costs. Fundamentally, microservices are distributed systems, often in large scales, which bring the burden of networking such as service discovery, retry…Istio6 min readIstio6 min read
Feb 20, 2020Member-onlyNetwork Service Mesh: A Big Step Toward Cloud-Native NFVWhen hearing about the term “Network Service Mesh” for the first time, you probably are as curious as I was: What exactly is it behind this fancy name? Does it have anything to do with Service Mesh/Istio? It turns out that Network Service Mesh is a sandbox project in the…Network Service Mesh11 min readNetwork Service Mesh11 min read
Published in FAUN Publication·Nov 22, 2019Member-onlyWhat Can Service Mesh Learn from SDN?Service Mesh is yet another emerging fancy tech word in the field of microservices recently. If you have a telecommunication or networking background, you may have already noticed that Service Mesh and SDN (Software Defined Network) look similar. …Service Mesh8 min readService Mesh8 min read
Published in FAUN Publication·Sep 11, 2019Member-onlyEnhance Istio Distributed Tracing with OpenTracing — Part 2In the previous post, we discussed how to use Opentracing to help Istio Service Mesh to propagate tracing context across process boundaries, and how to enrich Istio/Envoy generated traces with method-level spans to get more fine-grained insights to the services. For now, all that we have been talking is just…Istio7 min readIstio7 min read
Published in FAUN Publication·Aug 24, 2019Member-onlyEnhance Istio Distributed Tracing with OpenTracing — Part 1While evolving towards a microservices architecture, the biggest change is that the monolith application has been divided into multiple independent processes(or services), as a result, a method call between software modules now becomes a remote procedure call go through multiple services. A client request usually goes through a couple of…Kubernetes6 min readKubernetes6 min read
Published in FAUN Publication·Apr 16, 2019Member-onlyWhich One is the Right Choice for the Ingress Gateway of Your Service Mesh? Kubernetes Ingress, Istio Gateway or API Gateway?By default, in a Kubernetes cluster with the Istio service mesh enabled, services can only be accessed inside the cluster. However, some of the services may need to be exposed to external networks as well. Kubernetes and Istio provide a variety of means to get external traffic into your cluster…Istio15 min readIstio15 min read
