Commercial network/security stack vendor adopts Linux

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Apr. 01, 2005

Embedded networking and security software vendor TeamF1 says it is porting all its products to embedded Linux. It expects to release an embedded IPsec/IKE/IKEv2 stack and secure Wi-Fi stack in six weeks, followed in three months by a PPP/MP/MCMP/PPPoE stack, network address translator, packet-filtering firewall, and queue-based traffic shaper.

TeamF1 has so far released two products for embedded Linux: the X-Calibur PNAC (port-based network access controller) shipped last September, and the V-IPSecure VPN product launched in January.

The company says it is currently testing Linux versions of two products -- already available on VxWorks -- that were recently updated to support key new standards, such as those used in BTS/BSC/RNC and other IP backhaul applications. Products set to ship for Linux in three months include:

GrandPPPrix 2.0 -- A PPPP stack that supports aggregation of PPP links, to provide greater throughput for aggregating T1/E1 bandwidth in mobile or backhaul applications, TeamF1 says. In addition to PPP, the package supports MP (multi-link PPP) and MCMP (multi-class extensions to MP), including PPPoE (PPP-over-Ethernet). Additional features include support for multiple network stack instances, IPv6, encryption, compression, and call-back control.
INSECTS (Internet Software Extensions for Classification and Traffic Shaping) -- This software suite includes:
- GNAT -- A network address translator for private networking schemes, GNAT supports a variety of ALGs (application-level gateways) -- including proxies for multimedia streams, DGM packets, passive FTP servers, and other applications. It also has a tiny, gnat-like footprint, the company says, as well as support for automatic or explicit port selection, round-robin redirect rules, and "flexible and fine-grain control of policy settings," the company says.
- FireFly -- A rules-based, packet-filtering firewall recently updated with stateful inspection, which the company says allows for easy and flexible creation of adaptive firewall filtering rules for specific flows when packets that match a given pattern are detected. FireFly supports grouping of rules, anti-spoofing protection, and an extended range of filtering criteria.
- ClassHopper -- Queue-based traffic shaping software that supports classification by layer 2 tags, policy support to mitigate Denial-of-Service attacks, and a framework for CBQ (Class-Based-Queue) derived disciplines. When combined with GrandPPPrix PPP, ClassHopper can be configured to add traffic-shaping capabilities to Multi-Class/Multi-Link PPP traffic, TeamF1 says, so that delays for higher priority packets are minimized while not abating lower priority traffic.

TeamF1 President Mukesh Lulla said, "Linux availability does not hinge on a customer-driven effort. There are also no porting charges -- it is a standard product on Linux, with the release on Linux being staggered, that's all. This is an active project being pursued as a part of a larger effort to make all our embedded components available on Linux."

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