The symmetric RSK for 5-tuple is a generalized case for 2-tuple src ip/dst ip. You can use the same RSK to get the symmetric load balancing.
Dan On Feb 27, 2014, at 5:08 PM, Stefan Baranoff <sbaranoff at gmail.com> wrote: > Has anyone already applied this logic to IP only load balancing to get > SRC/DST and DST/SRC on the same queue and come up with an RSK value? If not > I'll spend some time with a calculator and see if I can get one. > Thanks, > Stefan > > Sent from my smart phone; people don't make typos, Swype does! > > On Feb 27, 2014 8:04 PM, "Daniel Kan" <dan at nyansa.com> wrote: > Thanks, Sangjin. This is exactly i?m looking for. Sorry, I should?ve googled > it first. It?s good to know that hash key of repetitive 0x6d5a still yields > good load balancing results. > > Dan > > On Feb 27, 2014, at 4:24 PM, Sangjin Han <sangjin at eecs.berkeley.edu> wrote: > > > Hi, > > > > This is exactly what you want: > > http://www.ndsl.kaist.edu/~shinae/papers/TR-symRSS.pdf > > > > Sangjin > > > > On Thu, Feb 27, 2014 at 4:22 PM, Daniel Kan <dan at nyansa.com> wrote: > >> Hi, > >> It appears that the hash computed from RSS is unidirectional. Hence, for a > >> 5-tuple flow, packet in one direction can be routed to a queue that may be > >> different than packet in the other direction. I'm wondering if there is a > >> configuration or mechanism to get a symmetric hash so that all packets for > >> a given flow will be in the same queue. Thanks in advance. > >> > >> Dan >
