Just curios to know, does Group selection method support weighted round
robin selection method ?
On 11/20/2017 11:37 AM, Ben Pfaff wrote:
On Thu, Nov 16, 2017 at 04:41:07PM -0500, Ronaldo Resende wrote:
I know that Open vSwitch 2.4 and later + OpenFlow 1.4, by default, hashes
some headers fields to choose a bucket in a select group.
What if I want to change the way this is being done? What would be the
right approach to accomplish this? (i.e distribute packets among buckets
using some king of counter, to create an evenly load balance).
Which codes should I considering poking around?
You would need to start by figuring out how to implement this at the
datapath level, that is, in the Linux kernel module. The datapath
doesn't currently have any concept that can be used to serialize
packets. (Serializing packets will slow things down because it
inherently prevents parallelism, but maybe you don't care about
performance?) Maybe you could add some kind of datapath action to
increment a counter and store it in dp_hash and then recirculate,
analogous to the way that there's an action to hash fields and
recirculate.
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