Your ctrl-alt-delete story made me think of one from my childhood.
When I was a kid in high school, our phone service at home had a
strange bug: every night around 10:30 or so the phone lines would go
dead for about two minutes. This annoyed me to no end, not just
because it would drop any calls I happened to be on, but if either
side called back later the phones would ring and wake up the whole
damn house. I even tried asking AT&T about it but they said everything
looked fine on their side. This drove me absolutely nuts, cause it was
the mid-2000s and a lot of my peers were starting to have cell phones,
but they didn’t work (still don’t) in the mountains outside town
where I lived. For a sixteen year old it was frustrating enough to be
the one kid who doesnt have a phone and can’t text, even more
embarrassing to not be able to talk late at night!
Anyways, I went off to college and studied computers, but occasionally
thought about that bug and always wondered what on earth it could have
been. Fast forward fifteen years and I’m building my first real
town-scale network, serving about 500 people off a few cell towers.
Some of the code I’m running keeps hitting OOM errors after about
30-40hrs of uptime, inducing network instability and unexpected
crashes. The quick and dirty (and very effective) solution is to
reboot the network once a day. Ideally in the middle of the night when
the least number of users are active. Sorry, past me.
On Mar 21, 2024, at 18:24, rjmcmahon via Nnagain
<[email protected]> wrote:
Oh, how I wish that an open source programmer showing up on a white
horse, with gnu emacs and a so-called "firmware" upgrade would fix
all these issues. Sadly, likely not. (Also, many of us have been
building systems with hot swap and active redundancy supporting live
upgrades our entire careers. Then there is also BGP to deal with
route changes. So, yes, here "rip and replace" is a b.s. title
designed to drive passions of what's not always real!!)
A TLDR story (for those needing something, something not from chat
gpt, to read at night.)
Early in my career we designed a router blade for an ethernet switch
(very early days of ethernet switches.) The switch engineers did
their work in ASICs and there was no merchant silicon in those days.
The equipment market was vertical. We evaluated the various internal
ASICs from the switch teams and made our selection. Note: The turn
around of an ASIC can be in years so hw devices are what Amazon
calls "one way doors." They call software "two way doors" as the
counterpart. We were selling to the RBOCs, and in those days (not
these FWA days,) the bell-heads really stressed five 9's of
reliability. We needed "bug free" hw per these customer demands. So
we did our homework and found the most reliable ASIC to interface
into the switching fabric.
The linecard sold $350M in 1990s dollars in its first year. Then we
got a call from the RBOC saying their NOC was having serious data
flow problems. We went into their NOC, connected up all the gazintas
and gazuotas to see what was going on.
Well, under certain conditions, that ASIC was causing the switching
fabric to lose it's coherency with the switching decision ASIC. The
switching decision was for a previous packet and not the actual
packet. (Similar to what happened to some immigrants from Ellis
Island that ended up in Houston, Texas vs Houston St in NYC. Seemed
close but just not correct.)
Yikes! We exclaimed. So we immediately went to the hardware
architect and asked for a rev for the ASIC w/o the bug. He said
maybe in two years, but probably not, because the ASIC volume was
too low to rev it.
We were up the proverbial creek. Then we came up with a software (or
firmware) fix of watching via sampling the hw switching bus and the
hw switching tables to see when they became incoherent. It was
relatively infrequent, like a few times a month.
So what did we do to actually fix this? The old ctl-alt-delete
salute of the switching system. Every packet in flight was dropped
and TCP state machines everywhere were signaled to go back to slow
start, even though this had nothing to do with TCP congestion.
This is a common practice by software to reset hardware when it
loses its brain. This really is not a fix at all. The proper fix is
to replace the buggy hardware, using active upgrade & swap approach
and no firmware upgrade can do that when hw is too old for NRE
spends. These are all just the way things really are from my
experience.
Bob
I have been trying to point out for many years now, that a lot of
hardware can just have it's firmware replaced with something more
trustable, secure, reliable, and feature full. I was appalled at
the
recent BOFO (?) rules that mandated buy american for secure ....
glass
.... and totally ignored the firmware problem. I have not read up
on
rip and replace progress below, and am afraid to, if someone could
summarize?
Ironically, I regard Huwai's compliance with the GPL, and general
open
source contribution philosophy as exemplary in an industry that
seemingly has forgotten the benefits of openness or the copyright
provisions of that license.
The president of huwai once responded to complaints by promising
to
open up all it's source code for inspection... (cannot find the
link),
but the CISCOs of the world evaporated that possibility, and the
mess
downstream of most chinese AND american manufacturers has to be
scanned to be believed.
... a lot of huwai's consumer gear can be reflashed to OpenWrt,
which
is maintained by a group of very security concious folk, mostly
based
in germany.
---------- Forwarded message ---------
From: Broadband Breakfast <[email protected]>
Date: Thu, Mar 21, 2024 at 9:23 AM
Subject: New Exclusive Report on 'Rip and Replace'
To: Dave Taht <[email protected]>
Broadband Breakfast Live Online Every Wednesday at 12 Noon ET
View this email in your browser [1]
[2]
'RIP AND REPLACE'
THE POLICY AND LAW BEHIND 'RIP AND REPLACE' [3]
[4]
Emerging reports signal a growing concern among telecommunications
providers grappling with compliance to the Federal Communications
Commission's mandate to excise problematic equipment from certain
Chinese companies.
Amid this regulatory melange, providers are finding themselves at
a
crossroads, with the daunting task of navigating stringent
regulations, facing the financial brunt of equipment replacement,
and
contending with the ambiguity surrounding funding mechanisms for
such
extensive undertakings.
At the heart of this unfolding scenario is the "rip and replace"
program, a cornerstone initiative under the Secure and Trusted
Communications Networks Act of 2019 [5], designed to fortify the
nation's telecommunications infrastructure against potential
espionage
and cyber threats.
This comprehensive effort [6]not only mandates the purging of
equipment from companies like Huawei Technologies and ZTE
Corporation,
deemed security risks, but also underscores a pivotal shift
towards
securing the integrity and reliability of U.S. telecommunications
networks.
As the FCC enforces this order, the ripple effects are palpable,
spanning legal and financial implications for compliant companies
and
operational challenges that demand innovative solutions, all while
setting a precedent for how national security considerations are
increasingly shaping the telecommunications landscape.
_WHAT IS 'RIP AND REPLACE'?_
The rip and replace initiative, officially part of the initiatives
under the Secure and Trusted Communications Networks Act of 2019
[7],
is a Federal Communications Commission effort aimed at enhancing
national security within the country's telecommunications
infrastructure.
Read more by becoming a Broadband Breakfast Club Member.... [8]
HAVE YOU BEEN TO BROADBAND BREAKFAST LATELY? [9]
Broadband Breakfast has been freshly redesigned to make it easier
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find the content you need about America's broadband buildout.
Broadband Breakfast is the community for Better Broadband, Better
Lives.
[10]
[11]
#BROADBAND LIVE
FIBER AND WIRELESS SOLUTIONS FOR 'ALWAYS ON' DEPLOYMENT
STRATEGIES ON TUESDAY, MARCH 26, 2024 [12]
TUESDAY AT 2 P.M. ET – REGISTER HERE TO JOIN LIVE! [13]
The application of quantum physics to traditional internet
connections
holds great promise for enhancing speed, efficiency, and security
in
future networks. As quantum processors venture out of physics labs
and
into data centers, hear how they could work in tandem with
advancing
broadband infrastructure to transmit vast datasets across future
internet backbones. Tune in for a dynamic discussion on how
quantum
mechanics can transform computing, the internet and global
communications.
The digital infrastructure is evolving at exponential rates and
the
demand for smarter systems and a more connected world is
imperative to
the progression of our communities. Deploying a broadband strategy
isn’t straight forward and requires flexibility, creativity, and
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_PANELISTS_
* Chris Bailey, Director, Strategic Accounts
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* Drew Clark (moderator), Editor and Publisher, Broadband
Breakfast
[14]
[15]
MOST DEMOCRATIC SENATORS WANT CONGRESS TO MAKE ACP RENEWAL
'MUST
PASS' LEGISLATION [16]
WASHINGTON, March 20, 2024 – Thirty three Democratic and
Independent
Senators on Friday co-signed a letter urging Senate and House
leaders
to use “must-pass” budget legislation to include an extension
of
the Affordable Connectivity Program.
The letter urges Congressional leaders [17] to support bipartisan
legislation to save the ACP from expiration when funds are
expected to
be exhausted next month. The letter argued that the program is
necessary to close the connectivity gap between Americans.
Notable signatories include Sen. John Fetterman, D-Pennsylvania,
Sen.
Raphael Warnock, D-Georgia, and Sen. Alex Padilla, D-California.
TODD EACHUS: GOVERNMENT RED TAPE THREATENS UNIVERSAL BROADBAND
[18]
Pennsylvania’s mountainous terrain and rural areas with few
homes
have made it difficult and expensive for broadband expansion.
WHAT'S IN THE FY 2025 BUDGET FOR BROADBAND AND TECHNOLOGY [19]
WASHINGTON, March 20, 2024 – The White House unveiled its
proposed
fiscal year 2025 budget [20] last week, earmarking $6 billion for
enhancing internet affordability for consumers and $112 million
for
expanding rural broadband infrastructure.
The proposed budget underscores that certain broadband and
technology
initiatives are integral to President Joe Biden's economic vision
of
reducing costs, stimulating job growth, boosting manufacturing,
and
ensuring the protection of American consumers.
[21]
INTRODUCING THE CALIFORNIA BROADBAND SUMMIT AT THE CALMATTERS
IDEAS
FESTIVAL [22]
[23]
The event in Sacramento, California, on Wednesday, June 5 is part
of
the CalMatters Ideas Festival [24] on June 5-6, 2024.
RESERVE YOUR SPOT NOW! [25]
[26]
PANEL 1: THE CALIFORNIA BROADBAND MOMENT
As billions flood into broadband development nationwide,
California is
riding high on this wave, netting $1.86B from the government’s
flagship Broadband Equity, Access and Deployment Program. For the
nation’s leading tech hub, how has this pivotal moment unfolded?
How
does this dovetail with the state’s ongoing initiatives aimed to
drive innovation in the technology and telecom sectors?
PANEL 2: CALIFORNIA’S PATHBREAKING MIDDLE MILE PROGRAM
In 2021, California unanimously passed SB 156, earmarking a $6
billion
broadband investment to bridge the statewide digital divide. More
than
half of the funds are funneled towards building open-access,
state-owned middle mile networks with high capacity fiber. As this
expansive investment fans out across the state, how is California
positioned to capitalize on it? What opportunities and potential
pitfalls might the state encounter along the way?
PANEL 3: CALIFORNIA’S COST TO BUILD
With one of the country's most extensive highway networks,
California
must also wrangle with the prickly issue of broadband
right-of-way,
which often drive up the cost of deployment. This legal clearance
for
deploying and maintaining broadband infrastructure along public
routes
often muddies the waters around broadband expansion plans. Where
does
the state stand on this issue? Are there still any bottlenecks
that
need ironing out for seamless broadband flow across the state?
PANEL 4: NET NEUTRALITY AND PRIVACY
While federal net neutrality rules hang in limbo, California has
long
upheld its own law regarding the equal treatment of data, as well
as
its state-leading law on internet privacy With its sights on
universal broadband access statewide, how does net neutrality
factor
into California’s game plan? What role has California’s
leadership
role on net neutrality and privacy had on broadband for
California?
SPONSORS [27]
[28]
The California Emerging Technology Fund [29] (CETF) has been on a
mission over the last decade to forge partnerships and foster
public
policy to close the Digital Divide. This work has been
strategically-focused, results-oriented, and people-centered. CETF
is
a leading proponent of the Digital Equity Bill of Rights
HOUSE COMMERCE COMMITTEE ADVANCES FOUR COMMUNICATIONS BILLS [30]
WASHINGTON, March 20, 2024 – The House Energy and Commerce
Committee
advanced four pieces of communications legislation on Wednesday.
Three of the bills are network security measures targeting
companies
from China and other countries deemed national security threats,
and
one would direct the Federal Communications Commission to stand up
a
task force to study 6G technology. The bills were passed
unanimously
with bipartisan support.
“Taken together, these bills will help protect American networks
from security threats, while also allowing our country to remain a
global leader in communications technology,” said Ranking Member
Frank Pallone, D-New Jersey.
WITH AFFORDABLE CONNECTIVITY FUNDS RUNNING OUT, ISPS MAY CHOOSE
PARTIAL REIMBURSEMENT [31]
WASHINGTON, March 20, 2024 – As the looming deadline of the
Affordable Connectivity Program draws nearer, providers now face a
decision of whether to continue offering ACP-supported services
through May by taking partial reimbursement funding, or dropping
consumers.
In a public notice released Monday [32], the Federal
Communications
Commission alerted internet service providers that without
additional
funding from Congress, the Affordable Connectivity Program won't
reimburse them fully for the service and device benefits applied
to
ACP-recipient internet bills beginning in May.
HOUSING GROUP BLASTS PROPOSAL TO BAN BROADBAND 'BULK
BILLING'
[33]
An advocacy group on behalf of landlords and lenders argued the
FCC
should not ban bulking billing practices.
[34]
#BROADBAND LIVE
BROADBAND BREAKFAST ON MARCH 27, 2024 – GENERATIVE AI AND
CONGRESSIONAL ACTION [35] [36]
WEDNESDAY, 12 NOON ET – REGISTER HERE TO JOIN LIVE! [37]
As generative AI capabilities quickly get woven into the fabric of
daily life and business practices, the debate around regulating
this
disruptive technology has been catapulted into the public eye.
Despite
a flurry of bill proposals hitting the floor, including
PresidentCurrent PC is from 2018 and USB ports no longer work
Biden's Executive Order laying out an AI bill of rights,
national-level guardrails have ground to a halt without solid
congressional buy-in. With lawmakers returning to the Hill in 2024
amidst an election cycle in full swing, how does AI regulation
factor
into the national storyline? What legislative measures might be in
the
pipeline for Congress?
BROADBAND PROVIDERS OPPOSE ANOTHER PETITION TO CHANGE FCC POLE
RULES
[38]
A coalition of utility companies asked the FCC to discard part of
its
new pole attachment rules.
HOUSE PASSES BILL TO FUND BROADBAND IN ECONOMICALLY DISTRESSED
AREAS
[39]
The bill is aimed at making Economic Development Administration
grants
more accessible for broadband projects.
AT FREE STATE EVENT, MOST INDUSTRY AND ACADEMICS DUMP ON FCC
REGULATION [40]
The officials criticized the agency’s proposal to create more
stringent regulations on broadband access.
[41]
#BROADBAND LIVE
BROADBAND BREAKFAST ON APRIL 3, 2024 – GENERATIVE AI AND
CONGRESSIONAL ACTION [42] [43]
WEDNESDAY, 12 NOON ET – REGISTER HERE TO JOIN LIVE! [44]
Reliable high-speed internet is crucial for unlocking the full
potential of precision agriculture, which utilizes advanced
technologies such as GPS, sensors, and data analytics to optimize
farming practices. With significant broadband funding and
opportunities across the nation, efforts to enhance broadband
connectivity on agricultural land, spearheaded by the Federal
Communications Commission's Precision Agriculture task force, are
gaining momentum. How is the adoption of precision agriculture
going?
What promise does it hold for the future of farming and
technology?
How is it factored into ongoing broadband funding and deployment
in
rural areas?
[45]
About Broadband Breakfast:
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https://www.youtube.com/watch?v=N0Tmvv5jJKs Epik Mellon Podcast
Dave Täht CSO, LibreQos
Links:
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[48]
[50]
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[51]
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[53]
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[54]
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[53]
_______________________________________________
Nnagain mailing list
[email protected]
https://lists.bufferbloat.net/listinfo/nnagain
_______________________________________________
Nnagain mailing list
[email protected]
https://lists.bufferbloat.net/listinfo/nnagain
Links:
------
[1]
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[22]
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[23]
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[24]
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[25]
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[26]
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[27]
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[28]
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[31]
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[32]
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[33]
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[34]
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[35]
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[37]
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[38]
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[39]
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[40]
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[42]
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[43]
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[50]
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[51]
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[52]
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[53]
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