Exablaze

Exablaze ExaNIC X2 Sub-Micro Latency Dual-Port 10GbE Network Interface Card

ULTRA LOW LATENCY NETWORK INTERFACE CARD

[ExaNICX2]
Exablaze's ExaNIC is an ultra low latency network interface card which delivers the lowest latency in the industry: under a microsecond application to application for small Ethernet frames (using the native API) and approximately 1.1 microseconds for small TCP and UDP payloads (using the transparent socket acceleration library).
Availability: In stock

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Details

ULTRA LOW LATENCY NETWORK INTERFACE CARD

The ExaNIC is a 10Gbps PCI Express network card interface card specifically optimized for low latency environments.

While initially conceived and built for use in latency-sensitive financial applications such as high frequency trading, the ExaNIC has appeal that extends to any environment where latency is key.

INDUSTRY-LEADING LATENCY

Designed from the ground up to minimize latency, the ExaNIC delivers record-breaking performance numbers.

On our Intel Sandy Bridge test system, latency from application to network to application is under a microsecond for small packets, which is significantly better than competing network cards on the same hardware. UDP and TCP latencies are as low as 1.1 microseconds for small payloads.

EASY TO USE

In addition to a standard Linux driver, a transparent TCP and UDP acceleration library is included, as well as a library for low-level access.

A transparent socket acceleration library allows applications to benefit from the low latency of kernel bypass, in most cases without modifications to the applications. For the most latency sensitive applications, a library called ‘libexanic’ allows direct low-level access to the ExaNIC hardware and includes simple functions for sending and receiving Ethernet frames. With the optional firmware development kit, it is even possible to extend the ExaNIC firmware and add your own logic to the onboard FPGA.

ADVANCED CAPTURE AND TIMESTAMPING

Flow steering delivers packets to the right application’s receive buffer, while flow hashing distributes packets across multiple CPU cores for demanding capture applications. Built-in timestamping functionality records each frame’s arrival time to a granularity of 6.2ns.

These timestamps are available through the API and through a capture utility which can write tcpdump-compatible capture files. Additionally, the ExaNIC has a Pulse-Per-Second (PPS) input which can be used to synchronize the ExaNIC clock with a PPS source such as a GPS receiver, allowing users to meaningfully compare captured timestamps across multiple servers and geographic locations.

BUILT–IN BRIDGING AND PORT MIRRORING

The ExaNIC includes integrated support for bridging, which can further reduce latency by hundreds of nanoseconds, as well as port mirroring, which enhances network visibility.

Normally sharing an upstream connection between multiple servers would necessitate introducing a switch. The bridging feature allows the most latency critical server to be directly connected to the upstream connection. Packets not destined for the local server can be bridged to a second port, transparently and with low latency. This port could be connected to a backup server or to a downstream switch. The ExaNIC also has a port mirroring feature which allows incoming and/or outgoing packets to be replicated to a monitor port - for logging, audit, debugging or latency analysis - with no performance overhead and without requiring physical reconfiguration of the network. An external power input can be used to guarantee that the bridging and port mirroring features continue to operate even if host power is lost.

Manufacturer exablaze
Part No. ExaNICX2
End of Life? No
Bandwidth 10GbE; 1GbE
Bridging Optional forwarding between ports 1 and 2, latency <170ns
Host OS Support Linux x86_64 (all distros)
PCI Slot(s) LP HH PCIe x8 Gen 2.0 @ 5.0 GT/s per lane
Ports 2 SFP+, PPS and power
Port-Port Latency 60 bytes: 950ns - 300 bytes: 1.2μs
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