Re: Comcast route server not reflecting their reality

2019-09-10 Thread Martijn Schmidt via NANOG
Hi Will, Unlike AS2914 which purely interconnects with AS7922, it seems that AS3356 also has direct interconnections to the various Comcast subsidiary networks which are hidden from the DFZ through no-export communities.. I figured this out due to a routing leak which happened a few years ago:

Re: Consistent routing policy?

2019-09-16 Thread Martijn Schmidt via NANOG
Hi Ben, Prefix deaggregation and inconsistent announcements might work fine in the US where all paths are mostly of equal quality, but is the bane of my existence when it happens in regions like the Middle East or Africa where one transit used by a target ISP might be connected locally and

Re: Cogent sales reps who actually respond

2019-09-17 Thread Martijn Schmidt via NANOG
Hi Elad, If you were to create RPKI ROAs for the IPs in question that'd end the discussion about prefix ownership once and for all. It's the best way to definitively prove, in public, that the accusations of theft are false. And it also helps to protect your resources from accidental leaks or

Re: RPKI (was: Re: Cogent sales reps who actually respond)

2019-09-17 Thread Martijn Schmidt via NANOG
Hi Ronald, I think we have to place our trust somewhere somehow.. I certainly don't have the time nor the skill-set which would be needed to perform due diligence on the ownership of every IP block on the Internet, and though you make a laudable effort of it yourself this responsibility can't

Re: Cogent sales reps who actually respond

2019-09-17 Thread Martijn Schmidt via NANOG
Hi Elad, Is this policy officially documented by AFRINIC somewhere? Can you make route objects for legacy AFRINIC resources in their RIR operated IRRDB as a fallback for RPKI? Best regards, Martijn From: Elad Cohen Sent: 18 September 2019 00:40:13 To: Martijn

Re: GEO IP Updates

2019-08-07 Thread Martijn Schmidt via NANOG
Google also has a portal where you can provide a link to a self-published csv geofeed, which is used for some but not all products served from their CDN infrastructure. https://isp.google.com/geo_feed/ They're also working on getting the format standardised in the IETF. I applaud this,

Re: Looking glass software

2019-08-01 Thread Martijn Schmidt via NANOG
We are using https://github.com/respawner/looking-glass which is doing the job nicely and is actively developed. Best regards, Martijn From: NANOG on behalf of Mehmet Akcin Sent: 02 August 2019 04:49:45 To: nanog Subject: Looking glass software hey there, I

Re: Landing Stations used as datacenter

2019-11-15 Thread Martijn Schmidt via NANOG
I think AMS-IX had an exchange in Mombasa in the SEACOM landing station at some point, but that is gone now. I'm not sure about the exact reasons there but someone here probably knows what happened. There's also a big amount of carriers in the TATA landing station in Mumbai, it is the

Re: Equinix

2019-12-05 Thread Martijn Schmidt via NANOG
Hi Drew, You're probably best off ordering those crossconnects through the Equinix portal, then you can choose the exact positions for the order that goes to the facility rather than relying on a human to transcribe them correctly from your PDF. Best regards, Martijn On 12/5/19 4:28 PM, Drew

Re: 99% of HK internet traffic goes thru uni being fought over?

2019-11-19 Thread Martijn Schmidt via NANOG
HKIX is definitely the incumbent IXP in that region, but I'd reckon that most high volume interconnection will take place in facilities like Mega-iAdvantage or Equinix HK1 via PNI. Plus there are several alternative IXPs in Hong Kong that also handle undisclosed amounts of traffic.

Re: Rogue objects in routing databases

2020-01-24 Thread Martijn Schmidt via NANOG
Hi Florian, NANOG, While the symptom of (automatically) proxy registered route objects is problematic, perhaps we could also take this opportunity to discuss the underlying issue: we as an industry appear to place our trust in various IRR sources operated by entities that either can't or don't

Re: FYI - Suspension of Cogent access to ARIN Whois

2020-01-07 Thread Martijn Schmidt via NANOG
Out of curiosity, since we aren't affected by this ourselves, I know of cases where Cogent has sub-allocated IP space to its customers but which those customers originate from their own ASN and then announce to multiple upstream providers. So while the IP space is registered to Cogent and

Re: FYI - Suspension of Cogent access to ARIN Whois

2020-01-07 Thread Martijn Schmidt via NANOG
On 1/7/20 11:16 AM, Mark Tinka wrote: > Well, they would certainly be blocked by RPKI unless ROA's for those > originations are created. > > Mark. I don't think Cogent signed ROAs for any of their legacy IP space from which they make sub-allocations to customers.. so for networks doing ROV it

Re: [outages] Major Level3 (CenturyLink) Issues

2020-09-02 Thread Martijn Schmidt via NANOG
I suppose now would be a good time for everyone to re-open their Centurylink ticket and ask why the RFO doesn't address the most important defect, e.g. the inability to withdraw announcements even by shutting down the session? Best regards, Martijn From: NANOG

Re: Centurylink having a bad morning?

2020-08-31 Thread Martijn Schmidt via NANOG
networks, i.e. more peering. On Mon, Aug 31, 2020 at 9:54 AM Martijn Schmidt via NANOG mailto:nanog@nanog.org>> wrote: At this point you don't even know whether it's a human error (example: generating a flowspec rule for port TCP/179), a filtering issue (example: accepting a flowspec rule fo

Re: Centurylink having a bad morning?

2020-08-31 Thread Martijn Schmidt via NANOG
At this point you don't even know whether it's a human error (example: generating a flowspec rule for port TCP/179), a filtering issue (example: accepting a flowspec rule for port TCP/179), or a software issue (example: certain flowspec update crashes the BGP daemon). And in the third scenario

Re: Passive Wave Primer

2020-10-13 Thread Martijn Schmidt via NANOG
I know there are some European carriers that offer this as a fully productized service, Colt and euNetworks come to mind. Best regards, Martijn From: NANOG on behalf of Tony Wicks Sent: 13 October 2020 21:35 To: 'Brandon Martin' Cc: nanog@nanog.org Subject:

Re: Gaming Consoles and IPv4

2020-09-28 Thread Martijn Schmidt via NANOG
Being employed by one of these elusive game hosting companies, I can tell you that the dedicated server model is very much alive. And rather than the version of 20 years ago where there was one central server in the world, they are now deployed in a globally distributed manner. Games ought to

Re: Network issues in Israel/Middle East

2020-05-25 Thread Martijn Schmidt via NANOG
Hey John, Do you have some background information about how Dublin is "technically farther away" than Mumbai? Is the latency actually better in the middle of the night? I'm genuinely curious, and I'll explain the reason why.. :) The shortest submarine route to Mumbai would probably be

Re: urpf - evil?

2020-10-30 Thread Martijn Schmidt via NANOG
Hi Baldur, You are at risk of facilitating spoofed and/or reflection DDoS attacks if you don't implement BCP38.. that's why uRPF exists. :) Best regards, Martijn From: NANOG on behalf of Baldur Norddahl Sent: 30 October 2020 20:29 To: nanog@nanog.org

Re: Hosting recommendations ... ?

2021-01-19 Thread Martijn Schmidt via NANOG
For #1, are you trying to do "Cloud-ception" e.g. running your own proxmox virtualization on top of an already virtual machine, so that you're basically two layers deep? For #2, of course you need to be able to survive a hardware failure (using RAID1 or some flavour of DRBD for example) but

Re: Internet Routing Registry folks - Important - (Fwd: [arin-announce] Consultation Now Open on the Future of ARIN’s IRR)

2021-02-08 Thread Martijn Schmidt via NANOG
Hi John, What happens to the route objects (and for that matter the OriginAS field in the Whois-RWS system) that were created before the IRR-online service was launched? Are the route objects (and/or OriginAS fields from the Whois-RWS system) which were registered by ARIN members for their own

Re: Internet Routing Registry folks - Important - (Fwd: [arin-announce] Consultation Now Open on the Future of ARIN’s IRR)

2021-02-08 Thread Martijn Schmidt via NANOG
Hi John, Thanks for the answer. In that case I would recommend to continue providing the ARIN-NONAUTH data stream beyond the system shutdown state, while continuing to allow for stale objects to be deleted: manually, or automated based on Whois-RWS OriginAS data, or automated based on

Re: Peering and Caching for Epic Games, Fortnite, et al

2021-03-23 Thread Martijn Schmidt via NANOG
Hi folks, To briefly clarify the "now mostly i3D" situation.. i3D.net was acquired by Ubisoft in 2019, and the reason why you're seeing Ubisoft's ASN disappearing from the IXPs where they were present is that we are integrating the networks. Ubisoft's prefixes are being announced downstream of

Re: OT: Re: Younger generations preferring social media(esque) interactions.

2021-03-27 Thread Martijn Schmidt via NANOG
Hi Cynthia, A big seconded from me.. I got into the peering / interconnection community around 2014, and I was 25 or so at the time. Always enjoyed talking with the "older" generations at the events, the historical perspective and understanding that brings were very valuable to me in getting

Re: ARIN-NONAUTH IRR final retirement set for 31 March 2022

2021-03-16 Thread Martijn Schmidt via NANOG
Hi John, It seems that you are trying to abdicate responsibility, but at the end of the day those individual parties are placing information in "better" routing registries such as RPKI that you can leverage to clean up the "lesser" ARIN-NONAUTH routing registry. So those individuals are taking

Re: Carrier Neutral Site - Freetown, Sierra Leone?

2021-02-19 Thread Martijn Schmidt via NANOG
My own admittedly relatively limited experience with networking in Africa has always been that people truly, honestly want to help make things better whenever it's reasonably possible (e.g. you obviously can't break local laws, or ignore a regulator). The attitude is generally very very good,

Re: "Tactical" /24 announcements

2021-08-09 Thread Martijn Schmidt via NANOG
It's route table pollution if you ask me.. in today's world we have many IXPs and several tier-1 operators that support RPKI ROV, so when you have issued ROAs for the supernet of the IP space in question it'll already significantly reduce the effects of a BGP hijack. Best regards, Martijn On

Re: AS 3356 (Level 3) -- Community 3356:666

2021-08-04 Thread Martijn Schmidt via NANOG
And it's also nice not to yank the old community in case your customers still depend on it, even if you do also support the RFC version as an alias of that one. Best regards, Martijn From: NANOG on behalf of Steve Meuse Sent: 04 August 2021 17:55 To: Daniel

Re: Validating multi-path in production?

2021-11-14 Thread Martijn Schmidt via NANOG
If your ECMP hashing algorithm considers L4 data I can recommend giving the TCP mode of the standard Linux MTR package a try. While the destination port remains a constant (iirc it defaults to port TCP/80) each iteration will use a different TCP source port, thereby introducing sufficient

Re: Carrier Options in Bogota

2022-07-06 Thread Martijn Schmidt via NANOG
On 7/6/22 03:36, George Toma wrote: You can connect directly to Bogota NAP and have all the local connectivity peering you require:

Re: Serious Juniper Hardware EoL Announcements

2022-06-14 Thread Martijn Schmidt via NANOG
ADVA recently launched a QSFP+ transceiver with bidi support on each of its 4x10G breakout lanes: https://www.adva.com/en/newsroom/press-releases/20220308-adva-launches-new-bidi-pluggable-to-minimize-cost-and-latency-in-access-networks As for 10G DWDM optics, it's not a very efficient way to

Re: Traffic ratio of an ISP

2019-06-19 Thread i3D.net - Martijn Schmidt via NANOG
It kinda depends on the application that's being used. For example, videogaming has a ratio somewhere around 1:2.5 since you're only transmitting metadata about the players environment across the wire. The actual video is typically rendered at the end user's side. So it's not very bandwidth

Re: few big monolithic PEs vs many small PEs

2019-06-19 Thread i3D.net - Martijn Schmidt via NANOG
Hi Adam, Depends on how big of a router you need for your "small PE". Taking Juniper as an example, the MX204 is pretty unbeatable cost wise if you can make do with its 4*QSFP28 & 8*SFP+ interfaces. There's a very big gap between the MX204 and the first chassis based router in the MX lineup,

Re: CloudFlare issues?

2019-07-05 Thread i3D.net - Martijn Schmidt via NANOG
s are AT, Nordunet, DE-CIX, YYCIX, > XS4ALL, MSK-IX, INEX, France-IX, Seacomm, Workonline, KPN International, > and hundreds of others. > > > >> On Jul 4, 2019, at 5:56 AM, i3D.net - Martijn Schmidt via NANOG >> wrote: >> >> So that means it's time for everyone t

Re: CloudFlare issues?

2019-07-04 Thread i3D.net - Martijn Schmidt via NANOG
So that means it's time for everyone to migrate their ARIN resources to a sane RIR that does allow normal access to and redistribution of its RPKI TAL? ;-) The RPKI TAL problem + an industry-standard IRRDB instead of WHOIS-RWS were both major reasons for us to bring our ARIN IPv4 address space