Hi Elias, You can find such solution in VPP 18.04 where VPP dpdk plugin is modified to enable HQoS scheduler and shaping function which runs on a separate VPP thread on TX path. The feature was deprecated in later releases. Hope that helps.
Thanks, Jasvinder. > -----Original Message----- > From: vpp-dev@lists.fd.io <vpp-dev@lists.fd.io> On Behalf Of Elias Rudberg > Sent: Thursday, March 23, 2023 1:40 PM > To: vpp-dev@lists.fd.io > Subject: [vpp-dev] Traffic shaping functionality in VPP? > > Hello VPP experts, > > We have been using VPP for NAT44 for a while, which has worked great. > We contributed some fixes a couple of years ago and have been using VPP > without issues since then. > > Now we are considering the possibility of using VPP for a different usecase as > well, related to "broadband network gateway" (BNG) functionality. > This would involve traffic shaping, something like buffering packets for each > user/subscriber when the rate of traffic reaches a certain limit, allowing > different limits for different users. > There would need to be a separate buffer for each user and some counters > to keep track of the current rate of traffic for each user. > > Questions related to this: > > - is there some already existing traffic shaping functionality in VPP that > could > be used for this? > > - otherwise, if we were to implement such functionality, would you say it is > feasible to do as a VPP plugin and do you have advice on how to do it? > > - are others on this list also interested in this, or even someone already > working on something like this? > > I would also be interested in any other comments or thoughts you may have > about this. > > Best regards, > Elias
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