Re: QoS for Office365

[Mark Andrews <marka () isc org>]

That’s why you do QoS between the customer’s packets not every packet.

> On 10 Jul 2019, at 12:46 am, Steve Mikulasik via NANOG <nanog () nanog org> wrote:
>
> Even if QoS on the Internet was possible it would be destroyed by everyone marking all their traffic with the highest 
> priority to get the best performance. Tragedy of the commons. 
>
>
>
> -----Original Message-----
> From: NANOG <nanog-bounces () nanog org> On Behalf Of Mark Tinka
> Sent: Monday, July 8, 2019 10:40 AM
> To: nanog () nanog org
> Subject: Re: QoS for Office365
>
>
>
> On 2/Jul/19 23:18, Joe Yabuki wrote:
>
> > Hi all,
> >
> > How do you deal with QoS for Office365, since the IPs are subject to 
> > changes ?
> >
> > How can we mark the trafic while keeping the security (I fear the 
> > marking based on TCP/UDP Ports since they are not without an 
> > additional risk coming from worms/virus using those ports for example, 
> > and doing that directly on the PCs doesn't seem to be the best solution) ?
>
> Funny, I was just answering an internal question about this, last week.
>
> As with all things Internet, my stance is if you don't have end-to-end control, trying to do QoS is pointless.
>
> That said, I believe it should be possible to apply some kind of meaningful, end-to-end QoS together with Microsoft 
> if you took up one of their Express Route services, given that is considered a private, premium service.
>
> Mark.

-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742              INTERNET: marka () isc org