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Internet Infrastructure

How the internet is built and operates. Submarine cables, IXPs, root DNS servers, data centers, CDNs, and the organizations that govern the internet.

Intermediate 15 篇文章
1

How Submarine Cables Connect the Internet

Explore the physical undersea fiber optic cables that carry over 95% of the world's international internet traffic.

12 分钟阅读
2

Internet Exchange Points (IXPs) Explained

Understand how IXPs allow ISPs and networks to exchange traffic locally, reducing latency and cost for everyone.

11 分钟阅读
3

Root DNS Servers: The Internet's Phone Book Foundation

Discover how the 13 root DNS server clusters anchor the global domain name system and keep billions of lookups working every day.

12 分钟阅读
4

How Data Centers Power the Internet

Learn how modern data centers are built, cooled, and powered to keep websites and cloud services running 24/7.

13 分钟阅读
5

CDN Architecture: Delivering Content at Scale

Explore how Content Delivery Networks use edge servers and caching hierarchies to serve web content faster from locations close to users.

12 分钟阅读
6

Internet Governance: ICANN, IANA, RIRs, and IETF

Understand the organizations that manage IP addresses, domain names, technical standards, and the policy decisions that shape the global internet.

13 分钟阅读
7

How Internet Traffic Flows: From Click to Server

Follow a packet's complete journey from your browser through DNS resolution, TCP handshakes, BGP routing, and back to your screen.

14 分钟阅读
8

Tier 1 Networks and Internet Transit

Learn how the internet's ISP hierarchy works, what makes a Tier 1 network special, and how transit agreements keep global traffic flowing.

12 分钟阅读
9

IP Address Allocation: From IANA to Your ISP

How IPv4 and IPv6 addresses are distributed from the global registry through regional authorities, ISPs, and finally to your device.

12 分钟阅读
10

Anycast Networking: One IP, Many Servers

How anycast routing allows a single IP address to be served by multiple geographically distributed servers, powering DNS and CDNs worldwide.

11 分钟阅读
11

Internet Backbone Architecture

The physical and logical structure of the internet's core: how Tier 1 networks, submarine cables, optical fiber, and peering agreements keep data flowing globally.

13 分钟阅读
12

How Cloud Regions and Availability Zones Work

The design principles behind AWS, GCP, and Azure geographic regions and availability zones, and how they achieve high availability through physical and logical isolation.

12 分钟阅读
13

Internet Measurement: RIPE Atlas, Looking Glasses, and BGP Collectors

How researchers and engineers measure the internet using distributed probe networks, BGP route collectors, looking glass servers, and traceroute infrastructure.

11 分钟阅读
14

Last-Mile Connectivity: DSL, Cable, Fiber, and Wireless

How internet service reaches homes and businesses through DSL, cable, fiber-to-the-home, 5G fixed wireless, and satellite technologies, and the trade-offs between them.

13 分钟阅读
15

The Future of Internet Infrastructure

Emerging technologies reshaping internet infrastructure: LEO satellite constellations, quantum networking, 400G/800G optics, AI-driven traffic engineering, and edge computing.

13 分钟阅读