Welcome to Jimmy’s Blog

Dive deep into the secrets of cloud-native technology, share everyday musings and observations, and together discover, learn, and grow at the forefront of technology and life experiences.

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Explore the World of Cloud Native with Me

Dive into cutting-edge cloud technologies and best practices through the eyes of a seasoned cloud native expert. Get insights, tutorials, and much more to enhance your skills and stay ahead in the tech world.

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Latest Blog Posts

Understanding L7 Traffic Management in Istio Ambient Mode: From ztunnel to Waypoint Proxy
- Mar 9, 2025
An in-depth exploration of Istio ambient mode’s L7 traffic path, covering transparent interception, policy application, and traffic forwarding from ztunnel to waypoint proxy.
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Advanced Request and Response Processing in Microservice Architecture with Envoy's External Processing Filter
- Feb 7, 2025
Envoy's `ext_proc` filter enables flexible request and response processing through gRPC integration.
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Implementing HTTP/2 CONNECT Tunnels with Envoy: Concepts and Practical Guide
- Feb 4, 2025
A deep dive into creating transparent tunnels using HTTP/2 CONNECT, including technical principles, practical workflows, and example code.
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Packet Lifecycle and Traffic Optimization in Istio Ambient Mode
- Jan 29, 2025
An in-depth analysis of the detailed processing of initial packets in Istio Ambient Mode, followed by fast forwarding and traffic optimization strategies for subsequent packets.
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In-Pod IPtables Rule Injection in Istio Ambient Mode Explained
- Dec 20, 2024
A deep dive into how iptables rules in Istio ambient mode enable transparent traffic interception and control within Pods.
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About Jimmy Song

Jimmy Song, Tetrate developer advocate, Founder of Cloud Native Community (China) , and CNCF Ambassador . With over a decade of experience in software development, architectural design, and community management, he has worked at iFlytek , TalkingData , and Ant Group .

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