Solution Profile | Service Provider

F5 DNS Services Infrastructure

The availability of new top-level domain (TLD) names will usher in a new era, acting as a catalyst to move beyond dot-com and into a new Internet that looks very different than the one we know today. Service providers, industry organizations, and others looking to customize and innovate around new TLDs will require the infrastructure to support and secure their investments. F5® DNS Services infrastructure and architectures can easily provide the foundation for organizations looking to take advantage of this exciting opportunity.

Key features

Manage, Scale, and Secure Your DNS Infrastructure

• IPv6 Gateway—Supports hybrid IP environments

Being responsible for a top-level domain requires an infrastructure capable of consistently responding to a massive volume of queries. Researchers generally tag query rates seen by existing top-level, global DNS infrastructures in the 10,000–100,000 queries per second range. Obviously, this requires a fairly significant infrastructure and is likely distributed across multiple DNS services to safeguard against failure. Adding to the load will be the need to support DNSSEC, the security extension for DNS that adds a signature to DNS packets verifying the authenticity of the response. These signatures add to the size of packets and to the complexity involved in distributing DNS services as a means to scale DNS to meet demand.

• Carrier-Grade Support—Provides world-class professional services and carrier-grade support

F5 offers a suite of DNS services to help manage, scale, and secure DNS infrastructure. Designed as an integrated solution marrying traditional DNS services and advanced architectural options with centralized management, F5 BIG-IP® Global Traffic Manager™ (GTM) and Local Traffic Manager™ (LTM) create a common platform for one-stop DNS service management.

• Lower Cost—Enables consolidation of existing DNS infrastructure and supporting dynamic, virtualizationbased scaling strategies

When combined with F5’s Clustered Multiprocessing (CMP) technology and native network security features, BIG-IP GTM and LTM provide additional failsafe policies that guard against falling victim to failure or attack. BIG-IP GTM deployed on the F5 VIPRION® 4400 platform can sustain up to 6 million queries per second while effectively shielding internal DNS infrastructure from overload due to spikes in legitimate or illegitimate usage. The underlying foundation for F5 products is the TMOS® operating sytstem. DNS Express,™ a capability of TMOS, offers additional value atop F5’s traditional DNS services by adding a high-speed, in-memory authoritative DNS slave that can dramatically reduce the DNS server infrastructure needed to ramp up to support new TLDs. Additionally, in conjunction with its strategic partner Infoblox, F5 offers an architectural solution that addresses the need to scale while reducing the complexity inherent in managing DNS services, including support for DNSSEC as protection against man-in-themiddle attacks that can poison and hijack DNS services.

• Consolidated DNS Service Platform—Offers centralized management • Integrated network security—Ensures protection against DDoS attacks

Key benefits • Scalable and Controlled DNS Infrastructure—Allows consolidation of multiple DNS services into a single platform

• Service Provider Scale—Scales to effortlessly handle millions of queries per second • Unequaled Support—Offers support options designed to keep your service operation online, whether using BIG-IP devices for internal infrastructure or for managed hosted solutions

Solution Profile | Service What isProvider the tag for this one?


Learn more

F5 DNS Services infrastructure is an integrated platform offering consolidated product solutions for highly scalable and secure DNS services. These solutions include:

For more information about F5 DNS solutions, please see the following resources or use the search function on

• BIG-IP Global Traffic Manager—BIG-IP GTM is a global service delivery solution, designed to direct end users to the most appropriate service location, based on geography, level of service, and availability. BIG-IP GTM includes DNSSEC capabilities, scaling, and actively participating in the DNS service delivery architecture as a fully secure and authoritative member.

Solution pages Service Provider Solutions

• F5 TMOS—TMOS is F5’s core platform technology, on which BIG-IP service delivery solutions are natively deployed. DNS Express is integrated into TMOS, and it uses F5’s Clustered Multiprocessing technology to scale exponentially to millions of queries per second.

DNS Security Solutions

• F5 and Infoblox Architectural Option—Together, F5 and Infoblox provide the availability and security required of a top-level domain provider with a highly scalable and secure DNS services architecture comprising superior DNS management capabilities, intelligent global server load balancing, high-performance scalable DNS, and complete DNSSEC signing for all zones.

BIG-IP Local Traffic Manager

The F5 DNS Services solution brings together the components required to offer a complete, manageable, secure DNS services offering in an integrated and consolidated platform with the agility necessary to meet the challenge of managing a top-level domain.

Product pages BIG-IP Global Traffic Manager

BIG-IP IPv6 Gateway

Datasheet BIG-IP Modules

Technical brief F5 and Infoblox DNS Integrated Architecture


IPv4 and IPv6 Devices Wireless VIPRION


Internet VIPRION


+BIG-IP Local Traffic Manager Module + BIG-IP Global Traffic Manager Module

Running on TMOS with DNS Express

F5 service delivery solutions insulate infrastructure with high-speed, secure DNS services.

F5 Networks, Inc. 401 Elliott Avenue West, Seattle, WA 98119 F5 Networks, Inc. Corporate Headquarters [email protected]

F5 Networks Asia-Pacific [email protected]


F5 Networks Ltd. Europe/Middle-East/Africa [email protected] F5 Networks Japan K.K. [email protected]

©2011 F5 Networks, Inc. All rights reserved. F5, F5 Networks, the F5 logo, and IT agility. Your way., are trademarks of F5 Networks, Inc. in the U.S. and in certain other countries. Other F5 trademarks are identified at Any other products, services, or company names referenced herein may be trademarks of their respective owners with no endorsement or affiliation, express or implied, claimed by F5. CS23-00013 1011

F5 DNS Services Infrastructure - F5 Networks

complexity involved in distributing DNS services as a means to scale DNS to meet ... with F5's Clustered Multiprocessing (CMP) technology and native network.

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