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F5® Traffix™ Signaling Delivery Controller™ is the Market’s First to Support New IETF Diameter Base Protocol Release

F5 Networks, Inc. (NASDAQ: FFIV) announced that its Traffix Signaling Delivery Controller (SDC) is the market’s first Diameter solution to support the new Diameter specifications per the latest release of RFC 6733 by the Internet Engineering Task Force (IETF). The release of this new standard makes the previous RFC 3588 and 5719 obsolete. Diameter is the base protocol for Authentication, Authorization, and Accounting (AAA), enabling network access and IP mobility in both home and roaming mobile LTE networks.

F5’s SDC product is the market-leading, multifunctional platform for Diameter routing, load balancing, and gateway connectivity. Since the product’s inception, it has been fully compliant with IETF, 3GPP, and GSMA standards. In addition, all current deployments of the SDC are forward compatible with the new standard.

“Through our work with communications service providers and global network equipment providers, we are able to stay apprised of what’s on the horizon for industry standards bodies,” said Ben Volkow, VP of Product Development at F5. “We have been aware of RFC 6733 and welcome its arrival because it provides for several enhancements for CSPs in the areas of security, management, and flexibility. We see this leading to better routing and management capabilities for operators to handle the challenges inherent with LTE.”

“The new IETF standard release RFC 6733 will be an asset to operators as it adds flexibility in configuring their networks for the many situations and use cases that LTE will bring—some of which we are already aware, and some which we have yet to encounter,” said Dimitris Mavrakis, Principal Analyst at Informa Telecoms & Media, a leading research firm. “F5 should be recognized for its far-ranging vision into the LTE ecosystem, particularly around how Diameter plays the enabling role for the success and profitability of operators rolling out LTE technology.”

Some of the highlights of RFC 6733 are as follows:

  • Tighter security with better connections between peers by requiring the use of TLS/TCP and DTLS/SCTP
  • Added routing functionality and flexibility using routing table add-ons
  • Additional SCTP functionality
  • Updates to AVPs and messages to enable additional functionality and better interworking
  • Caching mechanism to reduce signaling, increase performance, and enable additional routing capabilities

For a more comprehensive view of RFC 6733, go to

F5 solutions are a core component in service provider networks as they transition from a 2G/3G to a 4G LTE all-IP infrastructure. F5 provides intelligent and context-aware solutions enabling CSPs to gain greater application visibility, optimize service delivery, and secure their networks—leading to increased ARPU and reduced CAPEX/OPEX. F5 enables CSPs to optimize, scale, and simplify their service architectures and monetize their layer 4–7 networks with new revenue generating application services. With Traffix Diameter solutions deployed at more than 100 locations, F5 and its 4G and Diameter expertise provide significant benefits to customers around the world.

F5’s data and signaling experts will be at the Informa LTE North America conference, November 14–15. To schedule a meeting with an F5 representative, please visit the registration page:

About F5 Networks

F5 Networks, Inc., the global leader in Application Delivery Networking (ADN), helps the world’s largest enterprises and service providers realize the full value of virtualization, cloud computing, and on-demand IT. F5® solutions help integrate disparate technologies to provide greater control of the infrastructure, improve application delivery and data management, and give users seamless, secure, and accelerated access to applications from their corporate desktops and smart devices. An open architectural framework enables F5 customers to apply business policies at “strategic points of control” across the IT infrastructure and into the public cloud. F5 products give customers the agility they need to align IT with changing business conditions, deploy scalable solutions on demand, and manage mobile access to data and services. Enterprises, service and cloud providers, and leading online companies worldwide rely on F5 to optimize their IT investments and drive business forward. For more information, go to

You can also follow @f5networks on Twitter or visit us on Facebook for more information about F5, its partners, and technology. For a complete listing of F5 community sites, please visit

F5, Traffix, Signaling Delivery Controller, and SDC are trademarks or service marks of F5 Networks, Inc., in the U.S. and other countries. All other product and company names herein may be trademarks of their respective owners.

This press release may contain forward-looking statements relating to future events or future financial performance that involve risks and uncertainties. Such statements can be identified by terminology such as "may," "will," "should," "expects," "plans," "anticipates," "believes," "estimates," "predicts," "potential," or "continue," or the negative of such terms or comparable terms. These statements are only predictions and actual results could differ materially from those anticipated in these statements based upon a number of factors including those identified in the company's filings with the SEC.

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