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Istio vs Linkerd vs Consul
Istio

Istio vs. Linkerd vs. Consul

Introduction to Service Mesh

Service mesh is an infrastructure layer between application components and the network via a proxy. These app components are often microservices, but any workload from serverless containers to traditional n-tier applications in VMs or on bare metal can participate in a mesh. Rather than each component communicating directly with other components over the network, the proxies mediate that communication. These proxies form the data plane, providing many capabilities for implementing security and traffic policy and producing telemetry about the services the proxies are deployed with. Read more about service mesh capabilities.

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Service Mesh
Service Mesh

Avoid Attacker Lateral Movement using Service Mesh

One of the core ideas that motivates the zero trust architecture is the idea that “the attacker is already in the network.” Many of the projects, tools, and techniques we see gaining widespread adoption today for enabling a zero trust architecture were born out of companies that know this first-hand. One seminal event was the Snowden leaks in 2011, which prompted Google to adopt encryption in transit for all communications, even over their own internal network.

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Cloud
AWS, Tetrate Service Bridge

Deploying Tetrate Service Bridge in Hybrid Cloud: Amazon EKS Anywhere and Amazon EKS

One of the strengths of Kubernetes is its flexibility in terms of the target infrastructure on which it can be deployed. It can be rolled out on anything from a tiny cluster running on a laptop to large, multi-national scale-out infrastructure. Applications that run on such scaled-out infrastructure often require support for multiple clusters, regions, and even multiple cloud providers. Among our enterprise customers, we also see a trend of migrating from monolithic architectures for their applications to microservices.

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Zero Trust for Applications
Kubernetes, Tetrate Service Bridge, Zero Trust

Implementing Zero Trust for Applications with the Tanzu Application Platform and Tetrate Service Bridge (TSB)

More and more organizations today use microservices and distributed architectures to achieve agility and scale; the most recent CNCF survey, for example, finds that more than 50% of organizations are using Kubernetes in production. At the same time, we’re seeing a growing number (including most of our customers), adopting a multi-cloud strategy – due to changing business needs. Enterprises now require the ability to allow different parts of the organization to use best-in-class functionality for their use cases, or an acquisition driven business model. They deploy their applications into the public cloud (Google, Amazon, Azure, etc.) as well as on-premises, including both Kubernetes and virtual machine-based workloads.

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Istio - Enforce egress traffic
Istio, Open Source

ISTIO: How to enforce egress traffic using Istio’s authorization policies

An Istio Egress gateway is just another envoy instance similar to the Ingress but with the purpose to control outbound traffic. Istio uses ingress and egress gateways to configure load balancers executing at the edge of a service mesh. An ingress gateway allows you to define entry points into the mesh that all incoming traffic flows through. Egress gateway is a symmetrical concept; it defines exit points from the mesh. Egress gateways allow you to apply Istio features, for example, monitoring and route rules, to traffic exiting the mesh.

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Security Posture
Istio

NIST Standards for Zero Trust: the SP 800-204 Series

Introduction

This is the second installment in a two-part series on NIST standards for zero trust security. The first installment covers NIST Special Publication (SP) 800-207, which lays the groundwork for zero trust principles for the enterprise, but makes no specific implementation recommendations. 

The follow-up series is made up of four special publications: SP 800-204, SP 800-204A, 800-204B, and 800-204C. This series is co-authored with NIST by Tetrate founding engineer Zack Butcher and takes up where SP 800-207 leaves off.

This series provides security strategies for microservices applications. It mostly focuses on communications between services and between services and a control plane, as described below, under the header Threat Background. In this article, we’ll present an overview of the most important concepts, best practices, and specific deployment recommendations in each of the four papers of the SP 800-204 series:

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Istio

Istio component ports and functions in detail

In my last blog, I gave you a detailed overview of the traffic in the Istio data plane, but the data plane does not exist in isolation. This article will show you the ports and their usages for each component of both the control plane and data plane in Istio, which will help you understand the relationship between these flows and troubleshoot them.

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Envoy Gateway
Envoy Proxy & GetEnvoy

Envoy API Gateway: The Gateway to a New Frontier

Today, the Envoy community announced an exciting new project: Envoy Gateway. The project unites industry leaders to streamline the benefits of application gateways powered by Envoy. This approach allows Envoy Gateway to immediately establish a solid foundation for rapid innovation. The project will provide a suite of services to manage an Envoy Proxy fleet, drive adoption through ease of use, and support a multitude of use cases through well-defined extension mechanisms.

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