There is a good extension for VS Code called Yangster, it is uses a language
server to do many of the functions so also requires Java.
ANX as mentioned by the other reply is really good for exploring existing
models and is very easy to get up and running via docker.
Thanks,
Phil
On 5/4/
In its simplest form without TE paths, there isn't much to SRv6. You use a v6
address as an endpoint and a portion of the address to specify a specific VPN
service. You completely eliminate the label distribution protocol.
Thanks,
Phil
On 6/10/20, 2:49 PM, "NANOG on behalf of Saku Ytti"
Just to clarify the only routers who potentially need to inspect or do anything
with those headers are endpoints who require information in the extension
header or hops in an explicit path. In the simple example I gave, there are no
extension headers at all.
I'm pretty agnostic to IPv6 SR-MP
On 6/11/20, 1:19 PM, "Saku Ytti" wrote:
On Thu, 11 Jun 2020 at 19:49, Phil Bedard wrote:
> As for normal v6 forwarding, the way most higher speed routers made
recently work there is little difference in latency since the encapsulation for
the packet is done in a commo
Disclosure I work for Cisco and try to look after some of their peering
guidelines.
Agree with Adam’s statement, use uRPF on edge DIA customers. Using it
elsewhere on the network eventually is going to cause some issue and its
usefulness today is almost nil. That being said we still see large
It’s not necessarily metro specific although the metro networks could lend
themselves to overall optimizations.
The adoption of ZR/ZR+ IPoWDM currently somewhat corresponds with your adoption
of 400G since today they require a QDD port. There are 100G QDD ports but
that’s not all that popular
From: NANOG on behalf of Mark
Tinka
Date: Friday, May 5, 2023 at 12:55 AM
To: nanog@nanog.org
Subject: Re: Routed optical networks
On 5/4/23 19:32, Phil Bedard wrote:
It’s my personal opinion we aren’t to the days yet of where we can simply build
an all packet network with no photonic
From: Mark Tinka
Date: Tuesday, May 9, 2023 at 2:03 AM
To: Phil Bedard , nanog@nanog.org
Subject: Re: Routed optical networks
On 5/8/23 21:53, Phil Bedard wrote:
There are quite a few QDD pluggables in production today capable of
supporting 100G signals over 1000s of km or 400G near
Hi Etienne,
Those replies are accurate. There are still some large PBB deployments since
once you deploy technologies it’s hard to change. However, there haven’t
really been new PBB deployments in many years now. Vendors are also not
developing the features to support it any more. I would co
So the newer equipment we are looking at uses QSFP+/MTP with 4x10GE breakouts
to deliver 10G. We are not wiring these up to things in the same rack, they
will be going to patch panels and then elsewhere in a facility. It could
potentially get messy with the panels we have today so we are looki
We have a single IP and optical group, but that’s not common at most larger
carriers. We have a fairly complex national dark fiber backbone as well as
complicated metro networks. You see a lot of vendors tout IP/optical
integration around optimization of resources, but the starting point is us
The vRR image and the vMX have always been separate. The vRR image is what
Juniper sells as a solution for control-plane only applications like vRR. It’s
also the image they run as part of their Northstar controller to speak BGP-LS
to the network. It’s very lightweight, you can run a bunch o
Cisco and Arista are both able to squeeze a current full Internet table into
the base space on their Jericho boxes, using the right space partitioning.
Cisco added this in 6.1.2 without anything in the release notes, but you’ll
notice they bumped the datasheet spec on the base 5502 to 1M FIB
Cisco and Juniper both have working ORR implementations, although config on the
Juniper one is a bit clunky right now. One interesting thing is they also
allow feeding topology data via BGP-LS, so BGP is the only protocol you need to
run to/from it.
Phil
-Original Message-
From: NA
There isn’t really anything super special about it if you know about the memory
space on the Jericho chipset and the LPM/EPM tables. Cisco is doing relatively
the same things with their 5502 platform, it supports 1M FIB entries in the
base memory model. Most of it banks on the fact the bulk o
I’m pretty sure Comcast, along with most other MSOs in NA, use squat space for
various endpoints because they have run out of public and private IPv4 space.
Everyone obviously wants to get to all IPv6 but there are millions of end
devices and other gear they speak to which do not support it.
Is L3 hosting content for Netflix? Netflix has become a large source of
traffic going to end users. L3 likely could have held out on this one if
the content they were hosting is valuable enough to Comcast's customers,
but maybe what Comcast was asking for wasn't much in the grand scheme of
things
The franchise fees in many markets are based on gross revenue. 5% is a
fairly standard percentage charged by municipalities to cable companies
for right of way access, etc. Not sure if I would call this a profit
sharing plan, but it's not too much of a stretch. Today with local
agreements somewha
Easier to troubleshoot is the main reason but also, you would not put the
MME/S-GW in every segment with the eNodeB anyways, so in the end you'd
really want a L3 routed solution between them. One of the things I've
seen is the L3 interface for the eNodeB terminates locally on an attached
smaller c
I work for a MSO and while we do provide L2 services today for wireless
backhaul, the services are based on requirements from the wireless
providers and I haven't seen an RFP yet in which someone wanted a L3
service. If someone really wanted a L3VPN as a backhaul solution we could
oblige them but m
That was the reason for the push to the 10x10 MSA by people like Google
and other providers who did not want to use MM bundles and didn't want to
deal with the expense and power consumption of 100GBase-LR4. LR10
although hasn't really seen much adoption by the vendors, only compatible
optics from
Pluggable SFP+ transceiver. There are plenty of fixed config 10GBase-T
devices out there. Power/space in a SFP+ package just isn't there yet.
Phil
On 2/1/14, 4:18 PM, "Jared Mauch" wrote:
>
>On Feb 1, 2014, at 4:05 PM, Phil Bedard wrote:
>
>> As for
On 2/20/14, 3:41 PM, "Edward Roels" wrote:
>Curious if anyone else thinks filtering out NTP packets above a certain
>packet size is a good or terrible idea.
>
>From my brief testing it seems 90 bytes for IPv4 and 110 bytes for IPv6
>are
>typical for a client to successfully synchronize to an NTP
On Sun, 23 Feb 2014, Chris Laffin wrote:
> Ive talked to some major peering exchanges and they refuse to take any
> action. Possibly if the requests come from many peering participants it will
> be taken more seriously?
If only there was more focus on the BCP38 offenders who are the real root
c
What are you trying to do? Why do you need the receive side to be tuned
to a specific narrowband wavelength? Coherent doesn't really make sense
in 10G becaue 10G long-haul is still on/off keyed and doesn't care about
phase. Coherent detectors are needed where phase of the signal is
important like
I'm a big fan of the Terastream setup and have done a lot of research into
it, it makes sense if the density and bandwidth needs are fairly low and
the distances not so great. Terastream also makes use of a LOT of raw
fiber which most do not really have access to. Right now only one router
vendor
The "Fast Lane" perhaps starts as not counting traffic against metered
byte caps, similar to what ATT did on their mobile network. If the
content/service provider is willing to pay the provider, then the users
may not pay overage fees or get nasty letters anymore when they exceed
data caps. The s
MSOs run expansive IP networks today, including national dark fiber DWDM
networks. They all have way more people with IP expertise than they do RF
expertise. Even modern STBs use IP for many functions since they require
2-way communication, the last hold-out is your traditional TV delivery.
Even t
On 4/28/14, 9:23 AM, "Suresh Ramasubramanian" wrote:
>
>And it has a settlement free peering policy - with a stated
>requirement that traffic exchanged be symmetrical.
>
>http://www.comcast.com/peering
>
>> Applicant must maintain a traffic scale between its network and
>> Comcast that enables a
The UK only does this with BT OpenReach since they were the telco monopoly
that originated as a government entity. Virgin Media (well all the people
who now form Virgin Media) built and operates their own fiber/HFC access
networks, the same as MSOs in the US, and does not offer wholesale access
an
MSO in the US, traffic from Akamai (who delivers the ESPN traffic) was up
about 30% vs. last Sunday at the same time. Overall it was kind of
negligible. It wasn't as high as it was for the USA vs. Germany match
since that one was during the week and not after working hours. I imagine
the majorit
There have been some smaller connectors but nothing with widespread
adoption. Tyco has something called RJ point 5 which uses standard UTP
cable but looks like a squashed RJ 45 and has double the density.
Wouldn't save much space on a Pi thigh its meant more for bulk
applications. From: Michael Tho
I have mainly worked at small and medium sized operators and we did not
use IRR at all apart from registering our own and customer blocks with
the one upstream provider we had (Level3) which required it. We
maintained our own databases of customer prefixes tied to other
customer information strict
I don't think you are going to find something made just for terminating
GRE tunnels but the Cisco ASR1000 and the Juniper MX5-MX80 or SRX line can
do what you want.
-Phil
On 1/18/13 12:51 PM, "A. Pishdadi" wrote:
>Hello,
>
>Can anyone recommend a device that will allow for multiple gigab
Cisco also now has the Nexus 6001 but I don't know of its ability to do
BGP or support things like Netflow. 48x10GE+4x40GE in 1RU. Also likely
doesn't have huge packet buffers. From: Piotr
Sent: 1/30/2013 5:32
To: nanog@nanog.org
Subject: Re: switch 10G standalone TOR, core to DC
Someone use this s
On Mar 8, 2013, at 5:55 PM, Saku Ytti wrote:
> On (2013-03-08 18:17 +), Matt Newsom wrote:
>
>> If you run PIC and hide the next hop information between a loopback
>> which is what will happen in a vpn environment
>
> Typical SP network has next-hop-self in INET BGP, and does not car
Just since I had everything hooked up I did a quick test on IOS-XR 4.2.0
on an ASR9000 and found it also forwards v6 traffic with a link-local
source address and a global destination address. The destination was a
Juniper box which I tried to DoS using ICMPv6 echo requests. The
200:11ff:fe00:0 is
On 4/30/12 2:36 PM, "Justin M. Streiner" wrote:
>On Fri, 27 Apr 2012, Chris Adams wrote:
>
>> I don't think that will work, because there's an automatic direct route
>> for fe80::/64 to all interfaces with family inet6 configured. The only
>> way I see around it is to apply a firewall filter to
Most telcos can provide an OTU2 client interface but there is no peering, they
are just mapping directly to a wavelength or to OTU3/4. So it's transparent
service.
Phil
On Oct 23, 2012, at 7:07 PM, Will Orton wrote:
> Reading about OTN networks, I see that "IrDI" is specified to handle the
Tail-F's ConfD can operate as a front-end CLI and do the things he wants it
to do in an operational sense but I would agree it may not be the easiest
to use tool for simply monitoring and grabbing interface state/statistics.
It's fairly flexible and can do a lot of abstracted things through its
C
You can look at tools like NS2/NS3 or OMNet++, but these are not going to
do what you want out of the box, they are a framework for network
simulation but you'll have to program them to do what you want, they are
more used in academic settings.
If you want a nice interface you are kind of stuck ri
Didn't Avaya completely drop the old Route Science line at this point?
Internap still sells their FCP appliance which does similar things and of
course Internap has their own MIRO system they have been using for
probably 15+ years now to optimize paths out of their own
datacenters/colos. Lik
There are certain protocols and mechanisms tied to a physical medium or MAC
layer. If you are doing L3 tunneling you lose those options, if you are doing
L2 tunneling you may lose less of them depending how transparent the tunnel is.
Things like Ethernet pause frames or 802.3ah instead of BFD
In the post you quoted it says:
"In my last post I pointed out the do not announce to peers
community AS5580 was sending to Cogent, Level3 and who knows who else. So
any ASN that is not a customer of Cogent or Level3 wont learn the 5580 path
from them."
Verizon, ATT, and the rest of those netwo
.
On Thu, Nov 27, 2014 at 2:06 PM, Phil Bedard wrote:
In the post you quoted it says:
"In my last post I pointed out the do not announce to peers
community AS5580 was sending to Cogent, Level3 and who knows who else. So
any ASN that is not a customer of Cogent or Level3 wont learn the 5580
Curious what the use case is where a photonic or L1 switch wouldn't get
the job done?
With the robotic system you still need to wire everything up so it's
available to be xconnected.
FiberZone was another vendor who made robotic patch panels, but I'm not
sure they are around anymore.
Int
It won't overlap with the one you are using for yourself on the same device.
DOCSIS has service flows with different priorities. I don't know if they are
allocating specific channels for it or if it's just a different service flow,
but either way it is a lower priority and should not cause con
s but I've seen a
bunch of vendors with 192/384 systems.
Phil
-Original Message-
From: "Arnold Nipper"
Sent: 12/12/2014 6:33 PM
To: "Phil Bedard" ; "nanog@nanog.org"
Subject: Re: automatic / intelligent fiber optic patch panel (iow SDN @ la
Not for basic xconnect, they use MEMS arrays (mirrors). You need power to
change things and some do offer more advanced stuff like VOA, protection, etc
requiring power.
Phil
-Original Message-
From: "Tom Hill"
Sent: 12/17/2014 5:30 AM
To: "nanog@nanog.org"
Subject: Re: automatic /
Yes when I took "networks" as part of my CS degree 12 years ago most of it was
socket programming and had very little to do with infrastructure management. I
don't think that has changed much talking to recent graduates.
Phil
-Original Message-
From: "Kinkaid, Kyle"
Sent: 12/23/201
The access boxes and BNG typically have protection mechanisms in place. Also
even though customers are in a shared VLAN and IP subnet they aren't typically
on the same broadcast domain. In the case of active Ethernet you use things
like private Vlans or other access controls.
Phil
-Ori
The CM is just a bridge for that traffic. It has a management IP assigned to
it by the provider but that's a different network so to speak.
Phil
-Original Message-
From: "Jay Ashworth"
Sent: 12/29/2014 12:52 PM
To: "NANOG"
Subject: Re: Charter ARP Leak
- Original Message ---
They generally use IPDR on the CMTS for accounting, and I don't believe it
counts ARP.
Phil
-Original Message-
From: "Ricky Beam"
Sent: 12/29/2014 11:34 PM
To: "Corey Touchet"
Cc: "nanog@nanog.org"
Subject: Re: Charter ARP Leak
On Mon, 29 Dec 2014 17:41:45 -0500, Corey Touchet
Many attacks can use spoofed source IPs, so who are you really blocking?
That's why BCP38 as mentioned many times already is a necessary tool in
fighting the attacks overall.
Phil
On 1/11/15, 4:33 PM, "Mike Hammett" wrote:
>I didn't necessarily think I was shattering minds with my ide
On 1/17/15, 7:15 PM, "Saku Ytti" wrote:
>On (2015-01-17 12:02 +0100), Marian Ďurkovič wrote:
>
>> Our experience after 100 days of production is only the best - TRILL
>>setup
>> is pretty straightforward and thanks to IS-IS it provides shortest-path
>> IP-like "routing" for L2 ethernet packet
15, 8:04 AM, "Marian Ďurkovič" wrote:
>On Mon, Jan 19, 2015 at 09:37:35PM -0500, Phil Bedard wrote:
>> I think in fairly short order both TRILL and 802.1AQ will be depercated
>>in
>> place of VXLAN and using BGP EVPN as the control plane ala Juniper
>> QFX51
Kind of unsurprisingly, the traditional network vendors are somewhat at
the forefront of pushing what an x86 server can do as well. Brocade
(Vyatta), Juniper, and Alcatel-Lucent all have virtualized routers using
Intel's DPDK pushing 5M+ PPS at this point. They are all also tweaking
what Inte
There are some interesting ideas. There are tricks to getting 128K LPM
routes into a Trident2 device like you mentioned. You can get the same
type of devices from Cisco/Juniper for not a whole lot more, what you are
really paying for is the mature control plane.
https://github.com/dbarroso
Is this for 10G? I'm kind of assuming 10G. What kind of equipment is
being plugged into these? 300km is way beyond what you'll get with a
passive solution, it's definitely in the "long-haul" terrtory. If you are
launching out of a router the best pluggable optic you can generally get
is rate
I've been testing various vRR solutions recently but haven't taken a long
look at Metaswitch, but I may contact them. On paper, their RR doesn't
support all the AFI/SAFI combinations I require.
There are a few commercial options which have come to market very recently
namely:
ALU VSR
Jun
Mike Hammett
>Intelligent Computing Solutions
>http://www.ics-il.com
>
>- Original Message -
>
>From: "Phil Bedard"
>To: "Mike Hammett" , "NANOG"
>Sent: Saturday, February 7, 2015 1:17:48 PM
>Subject: Re: Low cost WDM gear
>
&
ASR9K IOS-XR 5.3.0 Release Notes:
IPv6 Support in MPLS LDP: Starting from release 5.3.0, support for native
MPLS LDP over IPv6 is enabled to continue providing existing services
seamlessly while enabling new ones. The attributes and capabilities of the
existing MPLS LDP have been extended to b
There are Comcast people on the list who may have more info, but it’s just
expansion of their WiFi hotspot network and part of the CableWifi consortium.
http://www.cablewifi.com, or you can go to http://wifi.xfinity.com to see
Comcast’s specific deployment.
Cable companies have thousands of
The BCM88670 (Jericho) is what powers the new Cisco NCS55XX devices. The
processor is linerate above around 100 bytes per packet without external TCAM,
supports 256K IPv4/64K IPv6 FIB entries (or mixed amounts). These chips are
being used for high scale 100G, the initial NCS5508 linecard is a 3
cumulus linux. I have no
need for 100G, but 10G and 40G on a platform with deeper buffers sounds nice.
On Tue, Jan 19, 2016 at 1:01 AM, Phil Bedard wrote:
The BCM88670 (Jericho) is what powers the new Cisco NCS55XX devices. The
processor is linerate above around 100 bytes per packet without
be able to support enough routes
>>to hold a full BGP table, and be used for something like cumulus linux. I
>>have no need for 100G, but 10G and 40G on a platform with deeper buffers
>>sounds nice.
>>
>>On Tue, Jan 19, 2016 at 1:01 AM, Phil Bedard wrote:
>>
&
I was going to ask the same thing, since even for settlement free peering
between large content providers and eyeball networks there are written
agreements in place. I would have no clue on the volume percentage but it's
not going to be near 99%.
Phil
From: Livingood, Jason
Sent: Friday,
What HW are your looking at our are you rolling your own probes? Router/switch
HW almost never does both. Netflow/IPFIX puts the flow intelligence in the
router, but with that comes more limitations.
Sflow typically uses more BW because you are sending headers for each packet.
The sflow co
-Original Message-
From: NANOG on behalf of Saku Ytti
Date: Monday, February 29, 2016 at 08:31
To: Nick Hilliard
Cc: nanog list
Subject: Re: sFlow vs netFlow/IPFIX
>On 29 February 2016 at 15:05, Nick Hilliard wrote:
>
>> depends on what you define by "cheap". Netflow requires separ
The RFC index is updated when a new RFC updates or obsoletes one or more
existing RFCs. The old entry has pointers to the new RFCs and vice-versa. Now
which parts are updated is usually left as an exercise but it's usually not
too hard to figure out. There is also an errata system in place.
One of the downsides to having four (at least) different control plane
operating systems across your product lines.
Phil
-Original Message-
From: "Mohamed Kamal"
Sent: 4/8/2015 5:13 AM
To: "NANOG"
Subject: Re: Cisco's IOS-XE and PCEP implementation
Here is Cisco's reply!
“Given PC
I think Brocade has one already announced. It might be based off the Trident2+
though, I can't remember. Either way, in 6 months everyone will have 1RU
switches with 100G uplinks like they have 40G now.
Phil
-Original Message-
From: "Colton Conor"
Sent: 4/8/2015 9:58 PM
To: "Mari
Everyone. These should also support 25/50G Ethernet.
Phil
-Original Message-
From: "Colton Conor"
Sent: 4/8/2015 10:01 PM
To: "Furst, John-Nicholas"
Cc: "nanog@nanog.org"
Subject: Re: 100Gb/s TOR switch
>From which vendors?
On Wed, Apr 8, 2015 at 2:43 PM, Furst, John-Nicholas
w
The show stuff is certainly there but the config is a bit different. You may
have to get used to using the "info" command. :)
They also use logical IP interfaces which are then tied to physical, you don't
directly configure L3 on a physical interface. You also have designations
between servi
Forgot to send this yesterday…
We use them in our networks along with ASR9Ks and MXs. There are a lot of them
deployed around the world doing very similar things as ASRs and MXs. The
config is more like Juniper than Cisco IMHO. Being kind of the “3rd” vendor
they have a tendency to implemen
The real answer to this is being able to cram them into a single chassis which
can multiplex the network through a backplane. Something like the HP Moonshot
ARM system or the way others like Google build high density compute with
integrated Ethernet switching.
Phil
-Original Message-
Do you need redundant control plane cards? That's usually what pushes a device
beyond the 2RU point. If you do you could look at the ASR9004 or MX240,those
are above your 2RU limit though.
The PTX1000 or QFX10K or even the QFX5100 might work fine. You aren't going to
find deep buffers in t
The ALU 7750/7450, etc. routers have a separate routing
process/configuration for their OOB mgmt and as of the last time I looked
do not support a default gateway.
Phil
On 7/2/13 7:30 PM, "Jason Lixfeld" wrote:
>So I've got a bunch of Ciena 6200 kit in, with some of their professional
>service
Right that is the "workaround." :)
Phil From: Bryan Fields
Sent: 7/3/2013 18:15
To: NANOG list
Subject: Re: Ciena 6200 clue?
On 7/3/13 5:41 PM, Phil Bedard wrote:
> The ALU 7750/7450, etc. routers have a separate routing
> process/configuration for their OOB mgmt and as of the la
Quanta is pretty cheap, basically a bare bones reference design.
Mellanox as well. Juniper EX4550. Any other features you are looking
for? From: Piotr
Sent: 8/22/2013 10:59
To: nanog@nanog.org
Subject: 10G standalone switch to access in data center, cheap
Hello,
I looking some 10G switches, 24-48
Large US MSO.
Our overall traffic is up about 20% compared to this time yesterday, which
equates to ~120Gbps. Mostly Akamai.
-Phil
On 9/18/13 1:38 PM, "Zachary McGibbon"
wrote:
>So iOS 7 just came out, here's the spike in our graphs going to our ISP
>here at McGill, anyone else noticin
Tens of millions of devices multiplied times a fairly large download =
lots of bandwidth. It has an appreciable affect on the worldwide
Internet. I would love to see some aggregate statistics.
With most phones the carrier takes care of doing phone software updates
and rollouts over a period of ti
Yeah isn't there some cloud provider like Amazon, Rackspace, or MS
willing to donate some BW and CPU cycles? Would be a drop in the bucket.
Phil From: Michael Thomas
Sent: 10/7/2013 19:57
To: nanog@nanog.org
Subject: Re: nanog.org website - restored
On 10/7/13 4:24 PM, Andrew Koch wrote:
> Working
I'm having a discussion with a small network in a part of the world
where bandwidth is scarce and multiple DSL lines are often used for
upstream links. The topic is policy-based routing, which is being
described as "load balancing" where end-user traffic is assigned to a
line according to source ad
I think all of the MSOs in the US have long term (15-20 year) plans to
also do FTTH. Advances in DOCSIS and coax technology seem to be outpacing
those available on the telco twisted-pair side, so it delays forklifting
the existing HFC plant. DOCSIS 3.1 requires some significant capital
investment
That's no different than what MSOs are deploying as well. Using things
like DSG the STB is using IP these days to communicate with application
servers, VoD, etc. Really the same as your VZW example, the STB uses
DOCSIS for OOB signalling instead of straight RF.
PON can use a RF video overlay or
There are companies like Tail-F who are trying to use things like YANG
definitions to dynamically build a standardized CLI which is sort of
cross-platform compatible. The CLI you connect to is external to any
network equipment which records changes, does checking ahead of time, and
records atomic
er itself is doing the translation into whatever native format
it uses, not someone having to write translation scripts which are a PITA
when vendor syntax changes, or some new feature is added, etc.
Phil
On 10/25/13 11:03 AM, "Saku Ytti" wrote:
>On (2013-10-25 10:22 -0400), Ph
I saw some antectdotal stuff on this yesterday but reading their
engineering blog entry makes me feel all warm and fuzzy inside. Oh
nevermind, that's just the alcohol. This is perhaps one of the worst
ideas I've seen concocted by a social media company yet.
-Phil
On 10/25/13, 6:56 PM, "George
d,
since they likely succumbed to that prompt. Another practice of theirs
I do not like.
Phil From: Laszlo Hanyecz
Sent: 10/26/2013 1:44
To: Chris Hartley
Cc: Phil Bedard; Nanog
Subject: Re: If you're on LinkedIn, and you use a smart phone...
When a user signs up for a social media accoun
I don't see that happening. I have heard of a couple companies sending out
emails saying installing it violates company IT policies and I'm sure those
using MDM will create policies to disable it.
It's one of those things which should probably just fade into history quietly.
Maybe LinkedIn
On 11/1/13, 1:08 PM, "Gary Buhrmaster" wrote:
>On Fri, Nov 1, 2013 at 4:43 AM, Anthony Junk
>wrote:
>...
>> It seems as if both Yahoo and Google assumed that since they were
>>private
>> circuits that they didn't have to encrypt.
>
>I actually cannot see them assuming that. Google
>and Yahoo e
On 11/5/13, 7:25 PM, "Jimmy Hess" wrote:
>On Tue, Nov 5, 2013 at 2:38 PM, Warren Bailey <
>wbai...@satelliteintelligencegroup.com> wrote:
>
>
>> I've noticed a lot more nxdomain redirects on providers (cox, uverse,
>>tmo,
>
>
>I believe these ISPs have been servicing a mucked up recursive DNS l
On 11/16/13, 7:36 PM, "Jay Ashworth" wrote:
>> Second, a list of CDN nodes is likely impossible to gather & maintain
>> without the help of the CDNs themselves. There are literally thousands
>> of them, most do not serve the entire Internet, and they change
>> frequently. And before you ask, I k
if you had no choice in the
matter.
Phil
From: Jay Ashworth
Date: Saturday, November 16, 2013 at 8:56 PM
To: Phil Bedard , NANOG
Subject: Re: CDN node locations
Maybe, but I don't use their proxies, I've overriden them for speed.
Phil Bedard wrote:
> On 11/16/13, 7:36 PM, "
I would take a look at the presentation in the other post, there are
multitude of ways it can be accomplished and some of those are spelled out
in the DOCSIS 3.0 specs.
Like the other poster said, HFC architectures are very centralized and
controlled at the head-end and the components in the field
We use Juniper, Cisco, and ALU in different roles. All of them have their
quirks and bugs but none have been a big enough issue to seriously look at
moving away from them. We use the MX, PTX, EX, SRX on the Junipers and
mainly 7600/ASR9K/Nexus for Cisco and 7750 for ALU.
What are you doing on yo
Have you ever heard of Java and Flash? There is a reason why browsers
explicitly disable Java, heck OSX removed it from the OS completely.
Flash will run sandboxed in newer browsers but Java afaik cannot.
Almost all malware is delivered using them, one research company I read
about has lists of non
Money, really. The optics and fiber cost is cheaper than SM. The
standards around SM optics are to reach relatively long distances, so the
transmitters and receivers are more expensive and they use way more power.
That being said, I see MM in modern datacenters being used in-rack or very
shor
It depends on how many active flows you have at any one time. Also, I
don't think the SIP-601 supports full netflow V5 in hardware, only V8,
which is aggregated netflow, which may not be what you want. It does
do V5/V9 sampled netflow in hardware. The sampled netflow on that
platform is b
1 - 100 of 105 matches
Mail list logo
