Accelerating Snort with PF_RING DNA

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Since some time, PF_RING includes a DAQ (Data AcQuisition library) module for the popular Snort IDS/IPS. With respect to Linux AF_PACKET, the use of PF_RING significantly accelerates all snort operations. We have recently created a new DAQ module that adds native PF_RING DNA support, further accelerating the vanilla PF_RING DAQ module from 20 to 50%. […]

Hardware-based Symmetric Flow Balancing in DNA

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Years ago, Microsoft defined RSS (Receive-Side Scaling) with the goal of improving packet processing by enabling multiple cores to process packets concurrently. Today RSS is implemented in modern 1-10 Gbit network adapters as a way to distribute packets across RX queues. When incoming packets are received, network adapters (in hardware) decode the packet and hash […]