[ovs-discuss] icmp packet

Duankebo (Frank) duankebo at huawei.com
Tue Mar 24 06:22:56 UTC 2015


Great! Thank you!

BTW: When the patch will be ready? Will you please send me a copy for test?


发件人: Ben Pfaff [mailto:blp at nicira.com] 
发送时间: 2015年3月24日 11:46
收件人: Duankebo (Frank)
抄送: Lilin (pineorange, IT); discuss at openvswitch.org; Liyi (David, ITPL)
主题: Re: 答复: [ovs-discuss] icmp packet

On Tue, Mar 24, 2015 at 02:06:04AM +0000, Duankebo (Frank) wrote:
> Thank you Ben.
> 
> Yes, we can packetIn the ping request packet to Openflow controller, which packet out a response then.
> 
> But for every ping request packet, the controller have to 
> packetIn/packetOut the packet, imaging large scale datacenter where 
> there are many hosts
> 
> which may send ping request to virtual address(means address don't 
> exist physically and need Controller/switch to process the icmp 
> request),
> 
> the controller will become a choke point.
> 
> So we are looking for better ways that the ping request can be responsed by the vSwitch.

It's a reasonable request, and this feature will be useful to other software too (including the upcoming OVN), so we'd take a patch to implement this.


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