Re: DoD IP Space

2021-01-20 Thread Brandon Martin
rs in many cases. -- Brandon Martin

Re: DoD IP Space

2021-01-20 Thread Brandon Martin
"you operate your network however you want". Other things would fall under the same purview. For example "alternate root" DNS hierarchies with extra TLDs or even TLDs used in contrast to ICANN recommendations would have similar considerations. -- Brandon Martin

Re: DoD IP Space

2021-01-20 Thread Brandon Martin
t that I'd recommend it. -- Brandon Martin

Re: Hosting recommendations ... ?

2021-01-19 Thread Brandon Martin
aintain if you have visibility into both levels of the equation, but it does seem to work and is surprisingly performant. See e.g. https://tips.graphica.com.au/nested-kvm/ -- Brandon Martin

Re: Hosting recommendations ... ?

2021-01-19 Thread Brandon Martin
not recommend mixing and matching hypervisors (e.g. Xen on KVM or vice-versa), though. I'm not even sure you can do so meaningfully, though I bet someone's working on it. -- Brandon Martin

Re: Hosting recommendations ... ?

2021-01-19 Thread Brandon Martin
with various specs AND don't want to or cannot use a provider's API for that, I'm not sure why you'd want to if you didn't have to for some crazy reason. -- Brandon Martin

Re: NDAA passed: Internet and Online Streaming Services Emergency Alert Study

2021-01-06 Thread Brandon Martin
On 1/5/21 7:29 PM, Chris Adams wrote: I don't know if an unsubscribed cell phone gets the emergency alerts (I know you are supposed to be able to call 911 from any cell phone, even if not carrying paid service). If so, that'd be another cheap way to get alerts. They pretty much universally

Re: NDAA passed: Internet and Online Streaming Services Emergency Alert Study

2021-01-05 Thread Brandon Martin
without that kind of separation of duties internally regardless of what actually runs underneath the user-visible application. It's not that you couldn't but rather that you wouldn't. -- Brandon Martin

Re: NDAA passed: Internet and Online Streaming Services Emergency Alert Study

2021-01-04 Thread Brandon Martin
ote that most mobile phones allow the user to turn off most (though usually not all) emergency alerts. Non-OEM OS ROMs often go further. -- Brandon Martin

Re: NDAA passed: Internet and Online Streaming Services Emergency Alert Study

2021-01-03 Thread Brandon Martin
is nothing for a modern server, of course. It sounds like you'd probably run into other scaling issues before you hit memory limitations needed to juggle legitimate TCP connection state. -- Brandon Martin

Re: NDAA passed: Internet and Online Streaming Services Emergency Alert Study

2021-01-03 Thread Brandon Martin
storing state using techniques similar to syncookies and do so in a compatible manner? I suspect no since you don't have control over your peers sequence numbers, but then someone smarter than I came up with syncookies... -- Brandon Martin

Re: NDAA passed: Internet and Online Streaming Services Emergency Alert Study

2021-01-02 Thread Brandon Martin
ta. Devices which have access to Wi-Fi/Bluetooth beacon location databases can largely do the same. This is almost guaranteed to be more accurate AND more precise. -- Brandon Martin

Re: [External] Re: 10g residential CPE

2020-12-27 Thread Brandon Martin
re serious about recycling the electrolyte. -- Brandon Martin

Re: 10g residential CPE

2020-12-24 Thread Brandon Martin
trate on the ITU/Bellcore stuff in North America, so GPON/XGS-PON it is. -- Brandon Martin

Neteng field laptop/tablet

2020-11-20 Thread Brandon Martin
life is important but almost implied these days. Must be able to nicely run Linux (distro is unimportant). -- Brandon Martin

Re: Newbie Questions: How-to remove spurious IRR records (and keep them out for good)?

2020-11-02 Thread Brandon Martin
s SOLELY based on IRR. That is, they are not permissive and will assume that, if there is an IRR object present for a prefix, that ONLY the announcements matching that object should be accepted. This can lead to severe reachability issues if not corrected. -- Brandon Martin

Re: att or sonic "residential" fiber service at a "nontraditional" residence.

2020-11-01 Thread Brandon Martin
a bit different. I also can't imagine they're actually overlaying AT's fiber-to-the-prem network as, to my knowledge, AT does not allow 3rd party access to it in any market. -- Brandon Martin

Re: 100G over 100 km of dark fiber

2020-10-30 Thread Brandon Martin
80km with them really pushing the link budget at that point. Honestly, I'd be tempted to just suck it up and do a coherent solution, though I admit it would probably be at least 2x the cost. You can probably get a 200G carrier, though. -- Brandon Martin

Re: cheap MPLS router recommendations

2020-10-21 Thread Brandon Martin
? -- Brandon Martin

Re: cheap MPLS router recommendations

2020-10-16 Thread Brandon Martin
it longer and may be more thoroughly documented. -- Brandon Martin

Re: Cogent Layer 2

2020-10-15 Thread Brandon Martin
ry and get more entropy. I hope they hash on L2 MAC, as well, but a pretty common scenario for an L2 interconnect only has one MAC on each end of the link, so that doesn't help much. They rallly don't want all your traffic ending up on one side of a LAG. -- Brandon Martin

Re: Ingress filtering on transits, peers, and IX ports

2020-10-14 Thread Brandon Martin
imminent shortage of ASNs and don't need to be particularly stingy about allocating them as long as a need is met. -- Brandon Martin

Re: Hurricane Electric AS6939

2020-10-13 Thread Brandon Martin
need full routes from them, they have a VERY open peering policy, and that 100G port might be better suited to a local IX where you can pick them up along with a bunch of other content networks. -- Brandon Martin

Re: Passive Wave Primer

2020-10-13 Thread Brandon Martin
platform vendors not just supporting it by heavily pushing it. I really do hope it becomes a real product that I (as a smaller, local island operator) can buy, but it just doesn't seem to be there yet at least in my region. -- Brandon Martin

Re: Passive Wave Primer

2020-10-13 Thread Brandon Martin
just throw things straight into a mux/demux on each end and rely on the power budget of the transceiver itself, so that makes sense for cheap DCI. -- Brandon Martin

Re: Passive Wave Primer

2020-10-13 Thread Brandon Martin
on a long-haul span or something. -- Brandon Martin

CyrusOne Sales Contact?

2020-09-24 Thread Brandon Martin
I've been trying unsuccessfully for the past couple weeks to get in touch with the sales folks at CyrusOne. E-mails and voicemails have gone unreturned. Anyone have a usable contact there or able to matchmake? -- Brandon Martin

Re: Ipv6 help

2020-08-29 Thread Brandon Martin
these are questions you have to essentially answer "up front" in many cases. -- Brandon Martin

Re: Ipv6 help

2020-08-26 Thread Brandon Martin
ed the RFC! Then I can also have some specific models to direct people toward along with "Or just look for 'RFC8585' on the box". But, right now, I am aware of none. -- Brandon Martin

Re: Ipv6 help

2020-08-26 Thread Brandon Martin
s who do want to do things their own way. -- Brandon Martin

Re: Ipv6 help

2020-08-25 Thread Brandon Martin
transition mechanisms) that needs constant updating and may not be easily available is not ideal. Heck just having a real, complete list of supported features on the model support page on their website would be an improvement... -- Brandon Martin

Re: Ipv6 help

2020-08-25 Thread Brandon Martin
, though I haven't verified that it works. They're at least acknowledging demand for it which is a nice step forward. -- Brandon Martin

Re: Fiber Automatic Transfer Switch

2020-08-17 Thread Brandon Martin
. For a lot of networks, this can end up being just the OSC, but as that's often not subject to the full photonic path, I'd likewise advise against that being the case and to make sure you have at least some fully "in band" traffic that can be monitored along both legs. -- Brandon Martin

Re: MAP-T in production

2020-07-24 Thread Brandon Martin
layer at scale, and of course the NAT is stateful no matter what you do with this technique. -- Brandon Martin

Re: MAP-T in production

2020-07-22 Thread Brandon Martin
CPE vendor is claiming 464XLAT support now (though I've not tested it), but doesn't appear to even know what MAP or LW4o6 are and certainly has expressed no plans to support it at least at the sales engineer questionnaire level. -- Brandon Martin

Re: questions asked during network engineer interview

2020-07-22 Thread Brandon Martin
experience: "So, tell me about a particularly dicey interoperability scenario you encountered while going for your CCIE? What steps did you take to troubleshoot and either solve or work around it?" or similar. -- Brandon Martin

Re: MAP-T in production

2020-07-22 Thread Brandon Martin
something to point them to that will show them it's a "real thing". Getting rid of state at the CGN as is (or can be, at least) necessary with 464XLAT seems like a real boon while placing minimal additional burden on the CPE. -- Brandon Martin

Re: questions asked during network engineer interview

2020-07-21 Thread Brandon Martin
the SDN craze...you just have to know what it is. Reminds me of the early days of ".NET" at Microsoft. Everything was ".NET", and eventually it became an actual thing. -- Brandon Martin

Re: questions asked during network engineer interview

2020-07-20 Thread Brandon Martin
even if your hiring process doesn't demand them, others' will, and many people have a standard-ish resume with application-specific cover letter. -- Brandon Martin

Re: Anyone running C-Data OLTs?

2020-07-10 Thread Brandon Martin
into a single box presumably because it's cheaper for initial deployment than separate boxes for ONU and CPE router/AP. No indication of those being affected in this notice, at least that I could find. -- Brandon Martin

Re: Layer 3 Switches

2020-06-29 Thread Brandon Martin
igure them if you don't need them. Are you married to Cisco? The 9200 is not a bad pizza box platform, but you can definitely get comparable features and bandwidth cheaper (or more bandwidth for the same price) from other folks. -- Brandon Martin

Re: Router Suggestions

2020-06-15 Thread Brandon Martin
ing them to the port itself, and they definitely won't do "BNG" type functionality with PPPoE or tag-per-customer with shared L2 appearance at least not at any real scale. -- Brandon Martin

Re: Outsourced NOC Solutions

2020-06-08 Thread Brandon Martin
sure how you'd offer a protected "dark fiber" service without encroaching on the ability of the subscriber to light it to their pleasing. -- Brandon Martin

Re: understanding IPv6

2020-06-07 Thread Brandon Martin
any of the cellular telematics providers at the time. I don't know if this has changed. For our application, this was fine, but for mixed vendor "IoT" devices, it would probably not work out well. -- Brandon Martin

Re: Integrated WIFI router and phone adapter

2020-05-18 Thread Brandon Martin
and NAT, and they generally "do the right thing" out of the box for most folks. -- Brandon Martin

Re: How to manage Static IPs to customers

2020-05-08 Thread Brandon Martin
I'm curious... Is it part of the DOCSIS spec that the CMTS terminates L3, or can they bridge to IEEE 802(.3) and delegate that to some other piece of gear? I'm unfortunately not familiar with the MSO world much at all aside from a little bit of L1. -- Brandon Martin

Re: How to manage Static IPs to customers

2020-05-07 Thread Brandon Martin
on their "business class" DOCSIS product and is upcharged even then. -- Brandon Martin

Re: alternative to voip gateways

2020-05-07 Thread Brandon Martin
to ADSL2+ at ~24Mbps for long-reach situations. -- Brandon Martin

Re: McAfee's certificate on akamai seems to be invalid

2020-05-07 Thread Brandon Martin
that having a misbehaving server listing on 443 (and accepting SNI for a name that works on plain HTTP, if applicable) at the same domain as a well-known, public HTTP server, especially from a "security" company, is a poor idea. -- Brandon Martin

Re: alternative to voip gateways

2020-05-07 Thread Brandon Martin
or are a well-established CLEC from a long time ago. The ILEC mostly gets free reign to set the access costs, and they set them sufficiently high as to "discourage" competition from using it where they can get away with it. -- Brandon Martin

Re: Arista Switches rebooting

2020-05-05 Thread Brandon Martin
, is the devil. Clock stretching is particularly annoying along with the requisite use of open-drain drivers to accomplish it. I was not aware of 10SPE, though...looks very useful (for lots of purposes). Physical multi-drop on low-cost cabling is quite useful. -- Brandon Martin

Re: alternative to voip gateways

2020-05-04 Thread Brandon Martin
, I prefer the CLI. -- Brandon Martin

Re: alternative to voip gateways

2020-05-04 Thread Brandon Martin
zed Adtran disty you also get their provisioning and monitoring suite (AOE) "free" as long as you maintain a support contract (which isn't particularly expensive). It's kinda blah (and Flash-based, but I'm told that's changing by the end of the year...) but does work. -- Brandon Martin

Re: CGNAT Solutions

2020-04-29 Thread Brandon Martin
has considerable control over the phone. FWIW, this software component (the CLAT) can also be on the CPE edge router which many ISPs either control outright these days or at least can influence. -- Brandon Martin

Re: CGNAT Solutions

2020-04-29 Thread Brandon Martin
that, you can get rid of the programmatic state tracking entirely and just use static translations for TCP and UDP which, while nice, is impractical. You're about 95% of the way to LW4o6 or MAP at that point. -- Brandon Martin

Re: CGNAT Solutions

2020-04-28 Thread Brandon Martin
without also having the CPE know which ports to use (in which case you might as well use LW4o6 or MAP), but at least you can get it down to where you really only need to log (or block and dole out public IPs as needed) port-less protocols. -- Brandon Martin

Re: Are underground utility markers essential workers?

2020-04-21 Thread Brandon Martin
(and it certainly is, at least repairs generally are - new construction perhaps could be argued), then underground utility marking is, too, since it's mandatory for safely performing underground construction. -- Brandon Martin

Re: xplornet contact or any experience with their satellite service?

2020-04-21 Thread Brandon Martin
a problem. I assume it's TDMA, and the terminals have imperfect clocks. -- Brandon Martin

Re: xplornet contact or any experience with their satellite service?

2020-04-21 Thread Brandon Martin
it's just what happens when you spread an already limited resource (transponder bandwidth) out over essentially an entire continent or at least substantial portions of it. Imagine if you had a cable provider with a single node for an entire, say, US state. -- Brandon Martin

Re: Constant Abuse Reports / Borderline Spamming from RiskIQ

2020-04-16 Thread Brandon Martin
ag since compromised wordpress instances are one of the biggest sources of snowshoe hosting in my experience. -- Brandon Martin

Re: attribution

2020-04-13 Thread Brandon Martin
On 4/13/20 4:31 PM, Randy Bush wrote: it seems a lot of folk think prepending acrually works. I mean, there's prepending and then there's prepending 50+ times... Has the latter EVER been useful in any way, shape, or form? -- Brandon Martin

Re: Traffic destined for 100.114.128.0/24

2020-04-08 Thread Brandon Martin
you have a misconfiguration somewhere (presumably unintentional and perhaps some poorly behaved automatic config on a CPE). -- Brandon Martin

Re: interesting troubleshooting

2020-03-24 Thread Brandon Martin
here. -- Brandon Martin

Re: Hi-Rise Building Fiber Suggestions

2020-02-26 Thread Brandon Martin
and, since SMF can't be gotten rid of entirely in fixed infrastructure, I'll take the normalization where I can get it. -- Brandon Martin

Re: Hi-Rise Building Fiber Suggestions

2020-02-26 Thread Brandon Martin
if you can just drop more fiber down the riser" echo chamber. -- Brandon Martin

Re: QUIC traffic throttled on AT residential

2020-02-19 Thread Brandon Martin
uot; (either for the user, via a management interface, or for the vendor, via policy template) to fix. Writing an entirely new L4 NAT helper is a different matter entirely. IPv6 would of course render this moot, but we all know how well IPv6 traffic gets treated... -- Brandon Martin

Re: ATT Microcell in Austin, TX

2020-02-18 Thread Brandon Martin
design hold-up time it seems to have, but of course maintenance varies a lot. Newer deployments, especially fiber-to-the-curb often have essentially no hold-up at the local node unless it's back powered from the customer prem (in which case the customer can keep it up themselves). -- Brandon Martin

Re: Why are IPsec SAs unidirectional

2020-02-16 Thread Brandon Martin
. * An IPSec SA itself is quite simple. Making it unidirectional is in-line with that notion and appears to have few consequences. * An IPSec SPD is also unidirectional (one could argue that this is a mistake, but see all the above), and an SA follows directly from an SPD. -- Brandon Martin

Re: akamai yesterday - what in the world was that

2020-02-14 Thread Brandon Martin
50-75Mbps in practice, even if the local MSO says you can get more. The divide keeps getting bigger. -- Brandon Martin

Re: akamai yesterday - what in the world was that

2020-02-13 Thread Brandon Martin
on consumer-facing networks and congestion, if it occurs, is unlikely to generate complaint volume. -- Brandon Martin

Re: akamai yesterday - what in the world was that

2020-02-12 Thread Brandon Martin
. Yeah, these were the "legal" aspects I was referring to above. Not a technical problem, really. I can't say I'm surprised, and I can think of some workarounds, but it's definitely a thing to consider. -- Brandon Martin

Re: akamai yesterday - what in the world was that

2020-02-12 Thread Brandon Martin
rks, and I don't think it was actually supported by Valve. Maybe I'm smoking something, here... -- Brandon Martin

Re: akamai yesterday - what in the world was that

2020-02-12 Thread Brandon Martin
. -- Brandon Martin

Re: akamai yesterday - what in the world was that

2020-02-12 Thread Brandon Martin
for those of us without local caching. -- Brandon Martin

Re: Need NOC/IP admin contact for AS27506/Crown Castle/Sidera

2020-02-06 Thread Brandon Martin
On 2/6/20 8:03 PM, Brandon Martin wrote: An RADB entry for IP range 64.25.104.0/22 was recently entered by Crown Castle Fiber that appears to be in error.  Please contact me off-list to help resolve.  Thank you. CCF claims it's been taken care of. Thanks. -- Brandon Martin

Need NOC/IP admin contact for AS27506/Crown Castle/Sidera

2020-02-06 Thread Brandon Martin
An RADB entry for IP range 64.25.104.0/22 was recently entered by Crown Castle Fiber that appears to be in error. Please contact me off-list to help resolve. Thank you. -- Brandon Martin

Re: Reminiscing our first internet connections (WAS) Re: akamai yesterday - what in the world was that

2020-01-27 Thread Brandon Martin
they were able to do that since it was a "PRI" product (which may have at least partially explained the exorbitant cost). We ended up just ordering 3 POTS lines and for OOB data. -- Brandon Martin

Re: akamai yesterday - what in the world was that

2020-01-23 Thread Brandon Martin
with huge market penetration and each "patch" is an entirely new copy of said 100GB game, that's a lot of traffic. -- Brandon Martin

Re: De-bogonising 2a10::/12

2020-01-10 Thread Brandon Martin
e like ICANN or IANA could publish an ROA to a reserved ASN (or to no ASN - is that possible?) for all unallocated space or something of the like, I suppose. -- Brandon Martin

Re: Cost Recovery Surcharge & Va Personal Property Tax Recovery for IP Transit

2020-01-09 Thread Brandon Martin
at least, REQUIRED to be itemized to the customer. If it's not in the contract, I'd try to get out of it. -- Brandon Martin

Re: Getting an ASN in ARIN

2020-01-06 Thread Brandon Martin
ing my network's routing policies." As has been pointed out, there's not a shortage of ASNs like there is IPv4. The policy surrounding assignment of ASNs is mostly to make sure that people who are getting one actually have a use for it and know what they intend to do with it. -- Brandon Martin

Re: Third Party OLT Optics

2020-01-06 Thread Brandon Martin
they are always within spec, they seem to vary a bit more than with bigger name modules especially within a lot. That does matter a bit more with PON optics than with AE, so that is one thing to consider, too, though it's a minor complaint again since everything is always within spec. -- Brandon Martin

Re: Cost Recovery Surcharge & Va Personal Property Tax Recovery for IP Transit

2020-01-06 Thread Brandon Martin
ribed deep in the bowels of your contract. If not...you might be able to get out of them. -- Brandon Martin

Re: 5G roadblock: labor

2019-12-30 Thread Brandon Martin
ose environments. Deployment of these started well before any 5G hype I was aware of even on the network operator side (think 6+ years ago). All that is to say, what's the magic secret sauce that makes "5G" any real different from "modern 4G"? I really don't want to go d

Re: 5G roadblock: labor

2019-12-30 Thread Brandon Martin
seem to do this to some degree, though my evidence is anecdotal. They don't seem to drop when you exceed your dollop, though, but rather re-mark. -- Brandon Martin

Re: 5G roadblock: labor

2019-12-30 Thread Brandon Martin
Of course, this is also what Mobile IP was intended to solve, and we all know how widely that's deployed. -- Brandon Martin

Re: 5G roadblock: labor

2019-12-30 Thread Brandon Martin
l that's overloaded, YMMV. -- Brandon Martin

Re: FCC proposes $10 Million fine for spoofed robocalls

2019-12-19 Thread Brandon Martin
be more like DKIM in that you can, with cryptographic certainty, know THE network at which to point fingers as they're the ones who admitted the call into the PSTN with authority that the CID field (among others) is "valid". [And all the old PSTN folks will please forgive me if I'm inaccurate, here, though corrections are welcome] -- Brandon Martin

Re: Fwd: urgent opening: Engineer-Transport - III

2019-12-18 Thread Brandon Martin
d BS resumes as much as the interviewees do. This goes double when it's been modified to the point that the qualifications stated bear little to no resemblance to the original ones stated. That just wastes everyone's time. -- Brandon Martin

Re: DDoS attack

2019-12-09 Thread Brandon Martin
harder for the networks responsible for the reflection/amplification to track down the problem using traffic analysis as well as coming in on the lower end of the "how much do I care?" part of the abuse team's line-up. -- Brandon Martin

Re: Elephant in the room - Akamai

2019-12-08 Thread Brandon Martin
to deliver that content and, instead, the target network should expect it to come in over the "public Internet" via some other connection. Is that accurate? Thanks for the clarifications. -- Brandon Martin

Re: Elephant in the room - Akamai

2019-12-08 Thread Brandon Martin
, only content locally available at that location will come over that peering session with the rest coming via other means? Does Akamai not have private connectivity to their public peering points? -- Brandon Martin

Re: RIPE our of IPv4

2019-12-03 Thread Brandon Martin
hat that's a recommended configuration, but I suspect it would often work. I certainly have IPv6-only testbeds. There's a few groaners usually, but a surprisingly large amount of stuff "just works". -- Brandon Martin

Re: RIPE our of IPv4

2019-12-01 Thread Brandon Martin
, if that matters to you. -- Brandon Martin

Re: RIPE our of IPv4

2019-11-30 Thread Brandon Martin
eyeballs" type behavior. Whether banning an entire ASN like that in precisely a situation where this kind of thing is likely to occur is a good practice or not is left as an exercise to the reader. -- Brandon Martin

Re: RIPE our of IPv4

2019-11-30 Thread Brandon Martin
like I'd expect them to be? -- Brandon Martin

Re: RIPE our of IPv4

2019-11-30 Thread Brandon Martin
/52 for each IPv4) amount of IPv6? And if you don't need a "comparable" amount of IPv6, presumably you aren't using all your legacy IPv4 and can sell off part of its presumably huge allocation to get some funds. -- Brandon Martin

Re: RIPE our of IPv4

2019-11-29 Thread Brandon Martin
cation to recognize the nuance between public addressing and unfiltered public reachability of a given host. I suspect many of them are already using IPv6 for LAN traffic without even realizing it given Windows' penchant for doing so since Vista. -- Brandon Martin

Re: RIPE our of IPv4

2019-11-25 Thread Brandon Martin
with everything that entails, I think it's probably STILL in your short-term economic best interest to deploy IPv6 simply due to the reduction in scope of "everything that entails". -- Brandon Martin

Re: Hulu thinks all my IP addresses are "business class", how to reach them?

2019-11-20 Thread Brandon Martin
service provider and instead provide a real, useful means for the user to directly contact the content provider to resolve the issue) -- Brandon Martin

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