Infrastructure●●Solid
My VPS got DDoS'd into a kernel panic, so I learned XDP
Drops packets in 34-65ns at NIC level before fail2ban ever sees them.
WizardryNiche Gem
kennethhh
103mo ago
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GitHub Repository
A low latency deterministic networking library developed with backends: DPDK, AF_XDP and Packet_MMAP.
0 starsC++
DPDK vs. Af_XDP Latency Benchmarks Tested on Real NICs
by CoreCppEngineer·Jul 12, 2026·2 points·1 comment
AI Analysis
●●●BangerWizardryBig BrainNiche Gem
Unified C++20 API for DPDK and AF_XDP with zero-cost template specialization.
Strengths
- •Template-based transport selection inlines directly to rte_eth_rx_burst with no vtable overhead.
- •Built-in rdtscp latency measurement and config verification prevents silent performance degradation.
- •Abstracts the week-long setup ritual of hugepages and XDP sockets into a single config file.
Weaknesses
- •Audience is extremely narrow; only useful if you are already fighting kernel-bypass latency.
- •Lacks Windows support or non-Linux backends, limiting adoption to specific infrastructure stacks.
Category
Target Audience
Systems programmers, HFT engineers, network kernel developers
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FD.io VPP · Mooncake · Seastar
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