Snabb and DPDK aren't magic though. Because they poll you have to dedicate a who... | Hacker News

Hacker Newsnew | past | comments | ask | show | jobs | submit

		wmf on Sept 9, 2014 \| parent \| context \| favorite \| on: Weave – The Docker Network Snabb and DPDK aren't magic though. Because they poll you have to dedicate a whole core to the vSwitch. Containers are a different case than VMs because the packets start in the kernel TCP/IP stack; to get into a userspace vSwitch they'd have to exit the kernel.

CMCDragonkai on Sept 10, 2014 [–]

So which would you prefer? Userspace or Kernel?

wmf on Sept 10, 2014 | [–]

The kernel has a lot of accumulated network functionality that has already been optimized for performance (under certain assumptions). Let's use it.

Guidelines | FAQ | Lists | API | Security | Legal | Apply to YC | Contact