networking

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#networking

A Very Fast IPv4 Parser, in Swift

Lobsters Hottest ↗ · 2026-10-20 Cached

一篇介绍用 Swift 实现超高速 IPv4 地址解析算法的博客,通过新算法在 Apple M6 上以约 3 纳秒、15 个 CPU 周期完成解析,成果将贡献给 Swift 官方的 swift-networking-types 项目。

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#networking

@ryanlpeterman: This interview is with Paul Mockapetris, the creator of the internet's Domain Name System (DNS). I talked to him about …

X AI KOLs Timeline ↗ · 2026-10-19 Cached

本播客采访了 DNS 之父 Paul Mockapetris,讲述了 DNS 诞生前的主机表时代、URL 反转命名与 www 前缀的设计缘由、DNS 的树状解析机制及其迁移互联网的过程。

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#networking

High-Performance Policy-Routed IPsec Mesh SD-WAN

Lobsters Hottest ↗ · 2026-10-18 Cached

ranet3 is a high-performance, standards-based (IKEv2, ESP, Babel, SRv6) policy-routed IPsec mesh SD-WAN tool. Benchmarks show it reaching 95% of 10 GbE line-rate throughput, 1.6–2.1× faster than in-kernel WireGuard.

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#networking

ARP! Tell your network to explain itself

Lobsters Hottest ↗ · 2026-10-18 Cached

一篇面向初学者的博客,介绍地址解析协议(ARP)如何把 IP 地址映射到 MAC 地址,并演示 arp-scan、Wireshark 和 ip neighbour 等工具的使用,顺带提及 ARP 欺骗与广播风暴等安全话题。

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#networking

@TheAhmadOsman: How am I connecting the DGX Spark cluster > Mikrotik CRS804-4DDQ 1.6Tbps switch > (4) 400G QSFP-DD to 2x 200G QSFP56 Ea…

X AI KOLs Timeline ↗ · 2026-10-17 Cached

Ahmad 分享了如何通过 Mikrotik CRS804-4DDQ 1.6Tbps 交换机,将 4 条 400G QSFP-DD 拆分为 2x200G QSFP56,连接 8 台配备 ConnectX-7 的 DGX Spark,实现 1.6Tbps 全速互联的集群方案。

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#networking

@ivanfioravanti: Best way to connect 4 x DGX Sparks without a switch? Asking for a friend that is evaluating... Thanks

X AI KOLs Timeline ↗ · 2026-10-17 Cached

A short tweet asking for recommendations on the best way to connect four NVIDIA DGX Spark units without using a network switch, likely for an evaluation setup.

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#networking

The DNS Museum

Hacker News Top ↗ · 2026-10-16 Cached

The DNS Museum 是一个收录各种奇特、富有创意但不实用的 DNS 玩法的参考网站,包含 49 个条目,涵盖利用 PTR 记录绘制 traceroute 图案、DNS over 各类奇异协议、DNS 隧道以及各种工具与玩具。

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#networking

What was a Token Ring network?

Hacker News Top ↗ · 2026-10-16 Cached

回顾性文章介绍 IBM 在1985年推出的 Token Ring 网络技术,它曾与以太网竞争,凭借无冲突和高负载下更稳健的优势一度表现优秀,但因成本更高、升级速度落后于以太网,最终在1980-90年代的“网络标准之争”中败下阵来,如今已成为被遗忘的技术古董。

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#networking

RFC8950: Announce IPv4 with an IPv6 next-hop

Hacker News Top ↗ · 2026-10-16 Cached

作者介绍了 RFC8950,该标准允许在 IPv6 网络上以 IPv6 下一跳通告 IPv4 路由(无需隧道),使骨干网可以仅运行 IPv6 而将 IPv4 作为边缘可选功能,并给出了基于 FRR 和 Containerlab 的实验演示。

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#networking

Show HN: Flipflop, iroh-powered persistent tunnels for filesharing

Hacker News Top ↗ · 2026-10-15 Cached

Flipflop is a Rust-based tool using Iroh to establish persistent trusted tunnels between devices, enabling file sharing over Bluetooth, LAN, or the internet, with builds for Linux, macOS, Windows, and Android.

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#networking

Better HTTP/1 connection reuse in Go 1.27

Hacker News Top ↗ · 2026-10-14 Cached

Go 1.27 introduces significantly better HTTP/1 connection reuse in the net/http package, delivering nearly 5x faster performance for sequential HTTP/1 requests by avoiding unnecessary new TCP/TLS connection setup costs.

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#networking

Blade

Product Hunt ↗ · 2026-10-13 Cached

Blade 是一款 Product Hunt 上发布的产品,帮助用户从 Gmail 收件箱中挖掘已有联系人,通过筛选联系频率和最近互动,批量发送个性化邮件,用于产品发布、寻求反馈或活动邀请。

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#networking

A slightly faster slimmer curl

Lobsters Hottest ↗ · 2026-10-13 Cached

curl 8.23.0 引入多项性能优化,包括 base64 编解码、URL 编解码、日期和数字解析提速,以及约 40% 的结构体内存缩减和更少的内存分配。

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#networking

@no_stp_on_snek: Cisco coming back into relevance again! Let's gooo

X AI KOLs Timeline ↗ · 2026-10-12 Cached

NVIDIA 和 Cisco 联合推出可插拔光学模块(USFP),首次支持每通道 400Gb/s,带宽密度提升 4 倍,帮助 AI 数据中心在不增加网络层级的情况下连接更多算力并降低单位功耗。

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#networking

OCP Global Summit: Amid Ecosystem Adoption, NVIDIA Opens Vera Rubin Architecture to Help Scale AI Factories Worldwide

NVIDIA Blog ↗ · 2026-10-12 Cached

在OCP全球峰会上,NVIDIA通过开源MGX架构向OCP贡献了Vera Rubin机架与计算托盘设计,并与Meta、Google、Cisco等合作伙伴发布了AI工厂开放标准、网络互连及800V直流供电等新进展,以推动全球AI工厂的规模化建设。

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#networking

TechCrunch Disrupt 2026 starts tomorrow: Your final chance to secure up to $100 ticket savings

TechCrunch AI ↗ · 2026-10-12 Cached

TechCrunch Disrupt 2026 kicks off tomorrow at San Francisco's Moscone West, gathering 10,000+ founders, investors, and tech operators for three days of sessions, expo showcases, and the Startup Battlefield, with last-chance ticket savings of up to $100.

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#networking

@thevoid_bnb: Many people are willing to spend huge amounts of money just to meet legendary figures, exchange a few words with them, …

X AI KOLs Following ↗ · 2026-10-12 Cached

A Binance community tweet muses on the value of getting 5–10 minutes of CZ's time, prompting CZ to reply that he occasionally arranges short 1:1 meetups with supporters around Blockchain Week events, including one in Thailand this November.

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#networking

Deploying RDMA for Large-Scale Inference and Training Workloads

arXiv cs.LG ↗ · 2026-10-12 Cached

ByteDance and Fudan University researchers present ByteExpress, a software communication layer over RDMA for large-scale parameter-server inference and training, reporting up to 74% lower P99 push latency and significant CPU savings versus TCP in production deployments.

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#networking

SNTPings, draw on a canvas using ICMPv6

Lobsters Hottest ↗ · 2026-10-10 Cached

SNTPings is a community event by Studenten Net Twente where participants draw on a shared 4K canvas by sending IPv6 ICMP ping packets as fast as possible, celebrating the launch of SURFnet Infinity with a 1.6Tbps-capable receiver setup.

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#networking

@JoshConstine: Secret's out. We have a ridiculous music lineup for SignalFire's TechCrunch Disrupt afterparty on 10/14: -Coachella per…

X AI KOLs Timeline ↗ · 2026-10-09 Cached

SignalFire announced the music lineup for its TechCrunch Disrupt afterparty on 10/14, featuring performers Robert DeLong, HWIN, and Dave Fontenot, with invites available via DM to commenters.

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