The Future of Service Mesh Is Networking
Bill Mulligan,
InfoQ,
Feb 24, 2023
This is another really interesting and deeply technological article from InfoQ. Here's the story in a relatively nontechnical nutshell: when it just runs on one machine, an application integrates a variety of services (for example, audio input, database access, etc.) but when it runs in a cloud environment, the program may access these services from across the network. But this is complex to manage, and ideally, should be hidden from programmers and users, just as the mechanics of TCP/IP are hidden today. So large enterprises like Cloudflare, Google and Facebook are adopting extended Berkeley Packet Filtering (eBPF) to do this. "From increasing packet throughput to DDoS mitigation and continuous profiling, eBPF allowed them to add the functionality needed to kernel networking in almost real time" with the result that "connecting service mesh to networking will allow us to have full context and control across all networking layers, improving setup, operations, and troubleshooting."
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