Learning VPP: Inside TupleMerge, the ACL Plugin’s Classifier

by FastNetMon | Sep 7, 2026 | FastNetMon Blog, Featured

This post is a repost of a technical blog originally published by Denys Haryachyy, shared here with permission as part of ongoing research and engineering work around FastNetMon’s inline traffic processing capabilities. TL;DR. TupleMerge, the classifier inside...

Hardware-in-the-Loop CI: Line-Rate VPP Testing over Tailscale

by FastNetMon | Aug 28, 2026 | FastNetMon Blog, Featured

This post is a repost of a technical blog originally published by Denys Haryachyy, shared here with permission as part of ongoing research and engineering work around FastNetMon’s inline traffic processing capabilities. TL;DR. Testing a data plane at 100GbE...

Tuning a VPP Data Plane to 100GbE Line Rate: Cycle Budget, NIC Rings, and RSS

by FastNetMon | Aug 17, 2026 | FastNetMon Blog, Featured

This post is a repost of technical blog originally published by Denys Haryachyy, shared here with permission as part of ongoing research and engineering work around FastNetMon’s inline traffic processing capabilities. TL;DR. A VPP software data plane...

Learning TRex: Generating 100GbE Line-Rate Traffic on a Mellanox ConnectX-5

by FastNetMon | Aug 10, 2026 | FastNetMon Blog

This post is a repost of a technical blog originally published by Denys Haryachyy, shared here with permission as part of ongoing research and engineering work around FastNetMon’s inline traffic processing capabilities. TL;DR. Cisco TRex 3.06 pushes...

Learning VPP: Inside bihash, the Lock-Free Hash Table

by FastNetMon | Jul 31, 2026 | FastNetMon Blog

This post is a repost of a technical blog originally published by Denys Haryachyy, shared here with permission as part of ongoing research and engineering work around FastNetMon’s inline traffic processing capabilities. TL;DR — everything that matters, in one...