withdraw
routes only when server is unavailable.
Masataka Ohta
server addresses. Just rely on it.
Masataka Ohta
ard problem to solve.
If that is their policy, it is just a policy to enforce and not
a problem to solve.
Masataka Ohta
or which, withdrawal of
failing route is unnecessary complication.
Masataka Ohta
with expired zone data won't serve
request from outside of facebook, whether BGP routes to the
name servers are announced or not is unimportant.
Masataka Ohta
that the Internet is the source of chaos.
Masataka Ohta
e for DNS glues,
can be automatically updated.
With careful design by real experts, it is possible to design
such a protocol even with IPv4 but IPv6 "committee" naturally
abandoned to do so with IPv6.
Masataka Ohta
to represent them, which is described
in rfc810 as:
::= "." "." "."
::= <0 to 255 decimal>
Obviously, syntax was extended, at least beyond decimal, by a
BSD implementation with language C.
Masataka Ohta
bering occur for the private
addresses.
Masataka Ohta
will also be fragmented and that
IPv4 can but IPv6 can't be deployed at full scale,
Masataka Ohta
ly deployable, which are technical points, it could
have won.
Masataka Ohta
s
address length.
Masataka Ohta
oses, IPng
were a merger of all the proposals only to make the result
totally unusable, during which address length was extended
from 8B to 16B to accommodate so infamous XNS style auto
configuration.
Masataka Ohta
nd voice is separate in the telco
> world which is why it compares poorly with IP. Except for the LISP
> protocol which does something similar.
I'm afraid you have too much complicated view on phone networks
and the Internet.
Masataka Ohta
which does not scale.
Masataka Ohta
country.
You mean anywhere in the world. Calls to my number reach my cell phone no
matter where I go.
You are confusing number portability and call forwarding.
Masataka Ohta
. The caller will be charged for call to +1 and you
will be charged for international transfer from +1 to +371 or
+81.
Masataka Ohta
.
That you don't properly understand the similarities and the
differences between telephone network and the Internet is
not a problem for rest of us.
Masataka Ohta
of the Internet.
Masataka Ohta
level (so called,
country code), which is why they don't need large global routing
tables.
8+8 has nothing to do with the problem and LISP came a lot later
as a broken solution for the problem.
Masataka Ohta
that.
Masataka Ohta
out that IEEE1394 MAC
address is 64bit long.
Masataka Ohta
and define Internet Access
to be IPv6” by a couple of the larger eyeball ISPs would light a pretty
big fire under those laggards.
Aren't you calling your desire "the reality"?
Masataka Ohta
hacks, most of which
are well known and already abandoned but, worse, some of
which are new.
Masataka Ohta
. There even exists PCP.
Do you have any more practical proposals, or..?
What are missing are practical comments.
Masataka Ohta
been adopted either?
Nothing more?
We may even develop transport protocols with 32 bit port
numbers, which is a lot easier to deploy than IPv6.
Masataka Ohta
.
Masataka Ohta
USG) interventions. As such, ICANN is expected to work to isolate
African RIR operations from existing lawsuit.
Masataka Ohta
registries).
Masataka Ohta
andon AfriNIC". So?
Masataka Ohta
nternet community can be to
abandon AfriNIC and establish, outside of Mauritius, a new entity,
which may employ current AfriNIC employers, recognized by the
international internet community.
Masataka Ohta
o IRRs and RPKI, whatever wrong things stub networks
might do, they only harm the stub networks and their peers
and are "reasonably safe" for rest of us.
So?
Masataka Ohta
with address ranges of
131.112.32.0/24 and 131.112.33.0/24 advertise 131.112.32.0/23,
the result will be disastrous for the networks.
As such, even stub networks should advertise exact address
ranges of them.
Masataka Ohta
, IPv6 is hopeless as rfc2374
was abandoned.
Masataka Ohta
y easy.
Masataka Ohta
William Herrin wrote:
I did some math on this years ago and it worked out to about 8.5
million IPv4 routes.
It should be 14M.
Worse, it will be reached unless we stop doing multihoming by
routing, which is selfish.
Masataka Ohta
are different things.
Masataka Ohta
your requirements. See rfcs 2461 and 4861.
Glad to know it is totally ignored by most, if not all.
Masataka Ohta
Baldur Norddahl wrote:
Sorry but that claim is completely wrong. Cabling cost scales linearly
with
the number of cores.
My apology to Masataka Ohta for my too strong wording by calling you wrong.
The moderators put me in place. I wanted to say I disagree with the claim.
I rather thank
double the cost of 144.
Yup. When PON was first conceived several tens of years ago, core
cost a lot. But, today...
Masataka Ohta
to, e.g. 8 customers) can survive, resulting in monopoly.
Masataka Ohta
ON with 10G switches, how can it be
upgraded to 10GPON with 100G switches?
The ISP is just providing bits,
customer service, billing, and maybe the inside install and CPE.
You miss "bps", which is essential to be "broadband".
Masataka Ohta
are can win
the initial competition, after which there is monopoly.
Masataka Ohta
with
reasonably small busy probability.
Though PNNI and RSVP failed with reasons, it is not very
difficult to have scalable protocols and scalable queuing
to do so.
Masataka Ohta
JORDI PALET MARTINEZ via NANOG wrote:
If you don't like it, stop complaining, and send a policy proposal,
It is wast of time to complain or to modify practically
obsoleted policy.
Masataka Ohta
;.
> As I said, several times, the official documents are the Spanish
> version, and in the Spanish version the right word being used is
> "mayoría", which I believe, in *this context* it is better
> translated to "majority".
which is not compatible with translation by google.
Masataka Ohta
tly consisting of ISPs.
Masataka Ohta
", "majority", "many", "bulk" and
"plurality"?
Masataka Ohta
that reached consensus,
and that is "recent" change.
Moreover, corresponding word in Spanish page is "mayoritariamente",
English translation of which is "mostly", "mainly", "chiefly" or
"by majority" according to:
https://www.s
"Falkland Islands").
So, it is likely that English is one of a formal language
of LACNIC.
A theoretical (perhaps not practical) problem is that French
is the official language in "French Guiana".
Masataka Ohta
it should
be English.
But, it is likely that LACNIC does not define any formal language.
Does it?
Masataka Ohta
actices today, is not and can
not be enforced.
>> The community decided that my proposal to add the explicit "footnote"
Then, the "footnote" might be applicable to *SOME* part of "the
community" but definitely not beyond it.
Masataka Ohta
acknowledge your statement that even yellows like me can and
should contribute to the *GLOBAL* community.
I really thank you very much.
Masataka Ohta
rity is well interpreted as more than half, right?
Are you, now, saying unreasonable request of "50%" is the requirement
and "40%" is not enough?
Masataka Ohta
of LACNIC
not in English or Russian, which is why some reservation
statements I mentioned could have been essentially important.
Masataka Ohta
utside of
LACNIC region? If there is no restriction, it means locality
requirement is effectively invalidated.
Masataka Ohta
-to-forfeit-internet-space-occupied-by-parler/
that are supposed to be given only to entities with a
physical presence in the region
Masataka Ohta
PS
I'm, anyway, glad that Ron now understand that "stealing" of IP
address
ental evil.
To be purely technically, cloud is an intelligent intermediate
entity totally against the E2E principle and, thus, is the
fundamental evil.
Masataka Ohta
.
That parler.com resolves to be 0.0.0.0 is, certainly, stupid.
Masataka Ohta
d IP stack.
Regardless of whether a computer is with or without OS, no IP stack,
part of which may be implemented by hardware, can generate emergency
alert by itself, unless some UDP port is specified for it, which is
what I have been saying.
Masataka Ohta
for ARM and DSP TI
processors.
but harder to understand for people who lack precise
knowledge on what computers and OSes are.
Masataka Ohta
alert.
Masataka Ohta
Brandon Martin wrote:
On 1/4/21 10:01 AM, Masataka Ohta wrote:
Any device with speaker should produce audible alert and any
device with display should produce visible alert.
I'm not sure typical North American residential construction could
tolerate the sonic pressure generated
ted by FCC),
are regulatory required to support specialized mechanism,
maybe as OS internal functionality or maybe as application
bundled with OS, for regulatory required alert.
Masataka Ohta
at the IP layer, the alert must be
distributed at the IP layer, that is, by ISPs.
Masataka Ohta
scale, though many
of you might think FCC can control all the foreign operators.
Masataka Ohta
Mark Foster wrote:
On 3/01/2021 2:41 am, Masataka Ohta wrote:
Sean Donelan wrote:
the Commission shall complete an
inquiry to examine the feasibility of updating the Emergency
Alert System to enable or improve alerts to consumers provided
through the internet, including through streaming
me routers may filter the broadcast
packets from ISPs, but the routers may be upgraded or
some device to snoop the alert packets may be placed between
ISPs and the routers.
Masataka Ohta
be, in practice, enough.
Masataka Ohta
On 2020/12/15 3:16, Lawrence Wobker wrote:
So I’d argue that the pedantic answer is “you need only as many bits of entropy
as your largest fan out” — meaning that 10 bits would allow 1024-way ECMP. But
I don’t think that’s what you were actually after...
Most of the challenges I’ve seen are
blacklisting).
(yes, I tried to get through to NOC's
of the affected providers),
ISPs can do nothing, unless they know how to prevent free riding by
wiretapping without harming paying customers.
Masataka Ohta
?
Unicast video over satellite link costs a lot.
Masataka Ohta
for an organization with 1s of users, which is
: at least our case here at titech.ac.jp.
the number of remaining bits save the first 16 matters, which depends
on IP version.
Masataka Ohta
.
Flooding nature of BGP requires all the related entities treat
everything, regardless of whether they need it entirely or not.
Masataka Ohta
Masataka Ohta wrote:
The point of Yakov on day one was that, flow driven approach of
Ipsilon does not scale and is unacceptable.
Though I agree with Yakov here, we must also eliminate all the
flow driven approaches by MPLS or whatever.
I still don't see them in practice, even though they may
to be
able to offer complex calculator service including
trigonometric/exponential/logarithmic functions, which was
impossible by handheld calculators at that time.
My favorite example when I explain the E2E principle.
Masataka Ohta
What? You are saying "payload" not something carrying "payload"
is MP.
Then, plain Ethernet is MP with EtherType, isn't it?
Masataka Ohta
also eliminate all the
flow driven approaches by MPLS or whatever.
Masataka Ohta
sources.
A router can't be clever on something, unless it is provided
with very detailed information on all the possible destinations,
which needs a lot of routing traffic making entire system not
to scale.
Masataka Ohta
it.
Masataka Ohta
e problem is that we can't afford traffic (and associated processing
by all the related routers or things like those) and storage (at or
near source) for routing (or MPLS, SR* or whatever) with such detailed
routing at the destinations.
Masataka Ohta
.
Masataka Ohta
n a large network
where IGP needs hierarchy (such as OSPF area).
Masataka Ohta
ch is
one of a reason why we should obsolete IPv6.
Though resource reserved flows need their own routing table entries,
they should be charged proportional to duration of the reservation,
which can scale to afford the cost to have the entries.
Masataka Ohta
tra-domain hierarchical
routing with a lot of flexibility, which means a lot of
unnecessary complications.
Masataka Ohta
?
Last - when I originally discussed just plain MPLS with customers with
single application of hierarchical routing (no BGP in the core) frankly no
one was interested.
MPLS with hierarchical routing just does not scale.
Masataka Ohta
sts less than using
MPLS capable IP routers, BGP-only administration costs less than
BGP and MPLS administration.
For better networking infrastructure, extra cost should be spent
for L1, not MPLS or very complicated technologies around it.
Masataka Ohta
uters than insisting
on having a little fewer MPLS routers.
Masataka Ohta
ces.
Optimum?
FTTH to 1700 homes in a newly built apartment building, maybe.
So?
> That probably depends on your country. Here nothing less than 100 Mbps is
> acceptable :-).
That's FTTC, as I already pointed out.
Masataka Ohta
in the better financial result of the company.
Even if the initial investment is higher.
Investment for FTTH is 10 times or more than that for plain DSL.
Masataka Ohta
rks deploy ipv6 — which is
> basic and sensible engineering and economics. A similar set of
forces are
> at work on the content / cloud / iot side.
Perfect argument for OSI.
Masataka Ohta
.
https://tools.ietf.org/html/draft-ohta-e2e-nat-00
Masataka Ohta
Since we are talking numbers ans hard facts
I'm rather interested in not numbers but facts on the E2E
transparency, because, without the transparency, legacy
NAT44 should be enough
to E2ENAT with complete end to end transparency using IPv4 only,
which means we don't need IPv6 with 4to6 NAT lacking the transparency.
https://tools.ietf.org/html/draft-ohta-e2e-nat-00
Masataka Ohta
.
Masataka Ohta
to avoid QUIC.
Masataka Ohta
lification.
Masataka Ohta
be used up before timeout.
Masataka Ohta
umber
of customers that you can prepare rate limiting devices proportional
to the number of customers to make customer wise rate limiting scale.
Masataka Ohta
which are unlikely to
be multihomed.
Masataka Ohta
.
Masataka Ohta
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