routing Archives | APNIC Blog

SCION: The overlay network for bankers

By George Michaelson on 7 May 2026

SCION has both supporters and critics, but it faces a major challenge: Replacing BGP while competing in an environment where network decisions are driven more by carrier costs than by strategic priorities.

ReAct: Reflection attack mitigation for asymmetric routing

By Mary Hogan on 1 May 2026

Guest Post: DDoS attacks continue to be a destructive force on the Internet. ReAct was created to provide efficient and effective mitigation against AR-DDoS attacks, when routing is either symmetric or asymmetric.

Pacific routing security sets a deadline

By Terry Sweetser on 29 Apr 2026

Guest Post: PITA 30 showed both the risks of insecure routing and the opportunities for rapid improvement in the Pacific, with PITA 31 set as an implementation target.

Noisy routers: Investigating the make-up of route collector data

By Ebrima Jaw on 16 Apr 2026

Guest Post: An analysis of more than 80 billion updates reveals how ‘noisy’ BGP updates inflate MRT archives, bias measurements, and highlights the need for more careful interpretation of BGP data.

Exploring the blind spot of IXPs Route Servers

By Stefano Servillo on 15 Apr 2026

Guest Post: IRR-based filtering at IXPs often breaks the link between prefixes and their legitimate AS, allowing invalid announcements to slip through. This study measures the issue across many IXPs and offers actionable fixes.

Make this one change to prevent IPv6 routing loops in your network

By Maynard Koch on 26 Mar 2026

Guest Post: Routing loops cause packets to circulate between routers. This can congest links, enable DDoS attacks, and ultimately reduce the stability and reliability of the Internet. The good news is that IPv6 routing loops are easy to prevent.

The why and what of the CIDR Report

By Geoff Huston on 24 Mar 2026

Geoff Huston explains the reasons for the CIDR Report, what’s in it, and shares some thoughts as to its usefulness to the Internet routing community today.