Miami, FL, April 20, 2017
Florida International University’s Center for Internet Augmented Research and Assessment (CIARA) is pleased to support the improvement of the B-Root DNS service. B-Root will be activating anycast on May 1, 2017, providing service from a new site in Miami in addition to the current site in Los Angeles. Florida International University (FIU) and AMPATH are hosting the new hardware in Miami, and University of Southern California (USC) will provide the hardware support for this second site.
The B Root Domain Name Server (DNS) is operated by the Internet and Networked Systems Division at the Information Sciences Institute (ISI) along with USC’s Information Technology Services. B Root (b.root-servers.net and its predecessors) has been operational since 1987. USC/ISI has operated Internet root nameservers since the inception of the root DNS system, with the b.root-server service in the Los Angeles area.
As part of this deployment, renumbering B-Root’s IPv6 address to 2001:500:200::b, will be effective on June 1, 2017. Planned renumbering for IPv4 is addressed later in 2017. Renumbering will help support anycast with more resilient routing. Service on old IPv6 and IPv4 addresses will be provided for at least one year after renumbering.
Anycast is an IP unicast service that it is spread through multiple locations with the same IP number (single anycast address is assigned to multiple hosts), where the routers in between are selecting the best and nearest destination.
Benefits to anycast implementations are: one IP address in every location, service reliability, high availability, locality & latency improvements, load balancing, and a distributed response to DoS.
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