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-boun...@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: ma...@isc.org