Customers announcing communities to SP of SP

Hi, Consider the following scenario: - Customer A is a customer of SP A - SP A is a customer of SP B - SP B has a traffic engineering community implementation With regards to using BGP communities for TE: - Does SP A write their own community implementation that maps to (some portion of) the

Re: CDN Overload?

http://www.theregister.co.uk/2016/06/08/is_win_10_ignoring_sysadmins_qos_settings/ This explains the recent situations (well, not really an explanation, but a bit more information from other people). Not so much for the ones going back a year or two. - Mike Hammett Intelligent

Re: "Defensive" BGP hijacking?

(caution! I don't really think arin is evil!) On Mon, Sep 19, 2016 at 1:16 PM, John Curran wrote: > On Sep 14, 2016, at 4:59 PM, Christopher Morrow > wrote: > > > > On Wed, Sep 14, 2016 at 4:04 PM, Bryan Fields > wrote: > > >

Re: CDN Overload?

On Mon, 19 Sep 2016, Mike Hammett wrote: The principal complaint is that upstream of whatever is doing the rate limiting for a given customer there is significantly more capacity being utilized than the customer has purchased. This could happen briefly as TCP adjusts to the capacity

Re: PlayStationNetwork blocking of CGNAT public addresses

On Sun, Sep 18, 2016 at 03:56:30PM +0200, Florian Weimer wrote: > * Rich Kulawiec: > > > For example: if the average number of outbound SSH connections > > established per hour per host across all hosts behind CGNAT is 3.2, > > and you see a host making 1100/hour: that's a problem. It might be >

Re: "Defensive" BGP hijacking?

On Sep 14, 2016, at 4:59 PM, Christopher Morrow wrote: > > On Wed, Sep 14, 2016 at 4:04 PM, Bryan Fields wrote: > >> On 9/14/16 3:09 AM, Scott Weeks wrote: >>> >>> Yes, RPKI. That's what I was waiting for. Now we can get to >>> a real

CDN Overload?

I participate on a few other mailing lists focused on eyeball networks. For a couple years I've been hearing complaints from this CDN or that CDN was behaving badly. It's been severely ramping up the past few months. There have been some wild allegations, but I would like to develop a bit more

Re: PlayStationNetwork blocking of CGNAT public addresses

* Rich Kulawiec: > On Sun, Sep 18, 2016 at 03:56:30PM +0200, Florian Weimer wrote: >> * Rich Kulawiec: >> >> > For example: if the average number of outbound SSH connections >> > established per hour per host across all hosts behind CGNAT is 3.2, >> > and you see a host making 1100/hour: that's

Re: CDN Overload?

> On Sep 19, 2016, at 1:34 PM, Mike Hammett wrote: > > These situations effectively shut out all other Internet traffic to that > customer or even portion of the network for low capacity NLOS areas I think the growing gap between those with high speed links and so-called

Re: Customers announcing communities to SP of SP

In a previous $dayjob at a different ASN I was customers of a large-ish regional Canadian carrier (at 100M), and also of a small local guy (at 8M) with only Cogent upstream. I would prepend out the local guy 3x, and then I also tagged 174:3003 to have cogent prepend 3x more. This worked somewhat

Re: Customers announcing communities to SP of SP

Hi Jason, The following reply which I sent to the IDR mailing list might also be helpful for you to understand the way most of these designs currently work - as well as some of the problems we encounter with the existing RFC1997 communities: