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Spencer Sevilla sevilla at cs.washington.edu+1 to Harald. Doing traffic accounting at the PGW and then reporting these statistics over Diameter is probably the most architecturally correct way to do this. I'm definitely a fan of using IPTables for this kind of stuff, since it’s all just packets anyways. For our networks, we wrote a completely separate tool called haulage (https://github.com/uw-ictd/haulage) that uses IPTables and does something very similar. Basically logs packets that are forwarded from the virtual interface, draws them down against a user’s prepaid quota, and cuts them off when they hit zero. We wrote this as a separate app (in go) mainly to keep things simpler and let us move faster. Spencer > On Mar 11, 2020, at 09:26, <david at ispsupplies.com> <david at ispsupplies.com> wrote: > > Sorry yeah I meant the EPC. I am not sure if the Open5GS software supports > it but Freediameter would be the Accounting portion in AAA from what I can > tell. > > > > David Peterson > Senior Engineer > 855-947-7776 ext. 9214 > c 419-706-7355 > d 979-314-1305 > https://www.ispsupplies.com > > > -----Original Message----- > From: Harald Welte <laforge at osmocom.org> > Sent: Wednesday, March 11, 2020 11:53 AM > To: david at ispsupplies.com > Cc: 'Romeu Medeiros' <medeiros at medeiros.eng.br>; nextepc at lists.osmocom.org > Subject: Re: Open5GS Traffic Accounting > > Hi David, > > On Tue, Mar 10, 2020 at 07:56:06PM -0400, david at ispsupplies.com wrote: >> Freediameter should be able to provide accounting so long as the ENB > supports it. > > in which way is the eNB involved in traffic accounting in LTE? > > Normally, AFAICT, accounting is implemented within the P-GW, potentially > interacting via Radios/Diameter or some other protocol with some external > entity that decides whether or not there is credit/budget remaining or not. > If not, the PGW would stop firwarding packets of the related > session/subscriber. > > -- > - Harald Welte <laforge at osmocom.org> > https://linkprotect.cudasvc.com/url?a=http%3a%2f%2flaforge.gnumonks.org%2f&c > =E,1,yb6SFWcoxXKtp0qClHpv4V936cQS_cFUx9dFgqORnwJ6yRCOhax7GulxJjjPLVsGkCe2ioB > ew6hlBJnFYR1mBgD0-WojRnKxjbM4dQK9xQ,,&typo=1 > ============================================================================ > "Privacy in residential applications is a desirable marketing option." > (ETSI EN 300 175-7 Ch. A6) >