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IPv6 Transition

Practical guides for understanding and deploying IPv6. Addressing, dual-stack, tunneling, and migration strategies for organizations.

Intermediate 12 articles
1

IPv6 Address Format

How to read, write, and abbreviate 128-bit IPv6 addresses.

5 min read
2

IPv4 vs IPv6 Differences

A detailed comparison of IPv4 and IPv6 across address space, headers, security, and features.

5 min read
3

Dual-Stack Deployment

Run IPv4 and IPv6 simultaneously during the transition period with dual-stack networking.

5 min read
4

SLAAC vs DHCPv6: IPv6 Address Assignment

Compare the two methods of IPv6 address assignment — stateless autoconfiguration (SLAAC) and DHCPv6 — and learn when to use each.

9 min read
5

IPv6 Tunneling: 6to4, Teredo, and ISATAP

Understand IPv6 transition tunneling mechanisms that encapsulate IPv6 traffic within IPv4 networks for connectivity during the migration period.

10 min read
6

NAT64 & DNS64: Bridging IPv6-Only Networks

How NAT64 and DNS64 work together to let IPv6-only clients access IPv4-only servers, enabling organizations to run IPv6-only networks.

10 min read
7

IPv6 Header Structure Explained

A detailed breakdown of the IPv6 packet header, extension headers, and how the simplified design improves routing performance over IPv4.

9 min read
8

IPv6 Address Types: Unicast, Multicast, Anycast

A complete guide to IPv6 address types including global unicast, link-local, unique local, multicast, and anycast with practical examples.

9 min read
9

IPv6 Security Considerations

Understand the security implications of IPv6 deployment, including new attack surfaces, NDP vulnerabilities, and firewall considerations.

10 min read
10

Deploying IPv6 in Enterprise Networks

A step-by-step guide to deploying IPv6 in enterprise environments, covering planning, dual-stack rollout, addressing schemes, and operational readiness.

11 min read
11

IPv6-Only Networks: Is the Future Here?

Explore IPv6-only network deployments, how 464XLAT and NAT64 enable IPv4 compatibility, and which organizations have already made the switch.

9 min read
12

Happy Eyeballs: Dual-Stack Connection Racing

Understand the Happy Eyeballs algorithm (RFC 8305) that ensures fast connections on dual-stack networks by racing IPv6 and IPv4 simultaneously.

8 min read