KillerNIC: Einige Fragen beantwortet

Nachdem das erste Interview von gD Hardware mit Bigfoot Networks bei Slashdot für einige Aufregung und viele Fragen gesorgt hat, hat man sich bei Bigfoot Networks um deren Beantwortung bemüht. So gibt's einmal mehr bei gD einen Artikel, der sich mit der KillerNIC befasst.

Zitat

3) UDP offload???? Gimme a break :-) The entire processing required to transform a hunk of data into a UDP packet consists of prepending a 6-byte header to the thing, containing the source port, the destination port, and 16 bits of zeroes... not exactly the sort of thing that requires immense processing power. Unlike TCP, UDP doesn't synchronize anything, doesn't reorder anything, and doesn't acknowledge receipt of packets.

Bigfoot: Network offload is not a unique concept. TCP/IP offload devices have been used in servers for many years (Harlan was the architect on several while at Intel). In TCP/IP world, CPU utilization has been known to be dramatically reduced by offload technologies, but the biggest benefits of Killer come from its unique ‘hardware network stack’. This literally bypasses the Windows network stack and uses hardware interrupts to get data directly to the game, skipping tons of queuing, and ‘software interrupts’ that are common with the operating system’s network stack. The result is pretty dramatic.

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