Am găsit această informaţie, destul de importantă şi anume că Internetul va trece printr-o schimbare majoră.
Cum toată lumea îşi doreşte schimbare (în bine), şi Internetul
doreşte creşterea numărului de adrese IP pe Internet dincolo de limita
maximă de 4 miliarde disponibilă în prezent.
Alăturat sunt cele două texte originale - în Limba Engleză şi Limba
Franceză, furnizate de Agenţia France Pressse. Vă doresc lectură
plăcută.
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http://au.news.yahoo.com/thewest/a/-/world/138...
Internet address system upgrade likely to be smooth
AFP June 3, 2012, 2:39 pm
AFP © <p>People use their laptop computers in Washington, DC.
The Internet is set for a major upgrade in the coming week, but if all
goes well, users won't even know it's happening.</p>
WASHINGTON (AFP) - The Internet is set for a major upgrade in the
coming week, but if all goes well, users won't even know it's happening.
The switch occurs at 0001 GMT Wednesday, when the Internet system
shifts to a new standard that allows for trillions of "IP" numbers or
addresses, up from the current four billion.
Known as the World IPv6 launch to geeks, the move will see Web
operators and others switch permanently to the new system from the
existing standard, IPv4. A test of the system was held last year.
The new standard was needed because the number of IP addresses under the old system has been exhausted.
The full transition will take several years, and old IPv4 devices and networks should continue to function as before.
"Most users shouldn't notice anything," said Leo Vegoda, a "numbers
resources" manager for the Internet Corporation for Assigned Names and
Numbers, which manages the Internet address system.
"If ordinary Internet users need to know stuff, then the technology isn't right."
But Vegoda said there may be some "irritations" for users, as those
using equipment on the old standard connect to computers and networks on
the new standard.
Each piece of hardware -- including home computers, tablets and mobile devices -- has a unique IP address to connect to the Web.
With about seven billion people on the planet, the IPv4 protocol
doesn't allow for everyone to have a gadget with its own online address.
The situation has been equated to not having enough telephone numbers for every user.
Cisco is projecting that by 2016, there will be nearly 18.9 billion
network connections, or nearly 2.5 connections for each person on earth,
compared with 10.3 billion in 2011.
If there are not enough addresses, neighbors will have to start sharing IP addresses, which can slow things down.
But with the IPv4 and IPv6 systems coexisting, the connections need
to find a compatible "path," which sometimes may be longer than usual,
said Vegoda.
If there are not enough paths available, someone connecting to a Web
page from the United States might have to be routed across the Atlantic
and then back again, a phenomenon known as "tromboning."
This can slow down connections in some cases, but Vegoda said he expected "relatively light" problems.
Johannes Ullrich of the SANS Technology Institute said that in some
cases, "you may see some degradation in speed and reliability" by
remaining on IPv4. But he said that over time, the move will mean a
smoother-running Internet.
"Don't consider IPv6 a threat. Use it as an opportunity," he said in
a blog post. "There are a lot of neat things you can do in IPv6 to
secure your network better. But get on it and learn about it now."
Over time, home users may have to get new modems or routers to be
compatible with the new standards, but major Internet providers are
prepared for the switchover.
"We maintain our commitment to the goal of a seamless transition to
IPv6," said Jason Livingood, a vice president for Internet systems at
Comcast, one of the largest US providers.
"That means customer Internet access will continue to be direct and
fast. And because middlebox solutions are not used, customers avoid the
risk that certain applications slow down, fail to work or experience
other annoying errors."
Big Web firms like Google and Facebook and hardware makers like
Cisco are encouraging businesses and individuals to make the transition,
saying it will be easier for different devices and networks to speak to
each other.
"Your current network running IPv4-based devices won't be obsolete for some time," said Cisco's Sampa Choudhuri.
"However, if you haven't already started making plans for the
transition to IPv6, you should. The first step you should take is
determining how and when to transition to the new Internet protocol
based on your business needs."
He suggested that people doing business with partners on an IPv6 network shoud migrate "sooner rather than later."
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AGENTIA FRANCE PRESSE
-internet-technologies-
Internet devrait subir une mise ŕ jour cruciale mais discrčte
Internet devrait subir une mise ŕ jour importante
cette semaine sans que ses usagers s'en rendent compte... si tout se
passe comme prévu.
Le changement est prévu pour 00H01 GMT mercredi, et permettra aux
numéros "IP", sorte d'adresse sur la toile, d'augmenter pour atteindre
des milliers de millions, contre seulement 4 milliards disponibles
actuellement.
Pour les fous de l'informatique, l'opération est connue sous le
doux nom de "lancement IPv6 mondial", quand les opérateurs de l'internet
et d'autres vont passer de maničre permanente ŕ ce nouveau systčme,
quittant l'environnement précédant qui était connu sous l'appellation
"IPv4".
Ces nouvelles normes sont introduites car le nombre d'adresses IP existant est épuisé.
La transition complčte prendra plusieurs années, et les anciens
appareils et réseaux IPv4 devraient continuer ŕ fonctionner comme
d'habitude.
"La plupart des utilisateurs ne devraient se rendre compte de
rien", estime Leo Vegoda, de l'association Internet Corporation for
Assigned Names and Numbers (ICANN), qui gčre le systčme d'adresses
internet.
Mais il souligne que les utilisateurs pourraient avoir ŕ faire face ŕ quelques "énervements".
Le protocole IPv4 ne garantit plus assez d'adresses IP pour que
chaque appareil ait la sienne. Cela veut dire que des utilisateurs
doivent partager une męme adresse, au risque de voir leurs activités sur
leurs ordinateurs ou appareils portables considérablement ralenties.
Mais tant que les systčmes IPv4 et IPv6 vont coexister, les
connexions vont devoir trouver un "chemin" compatible entre les
systčmes, ce qui pourrait occasionner des va-et-vient qui ralentiront la
connexion sur une page.
M. Vegoda se dit toutefois optimiste et n'attend que de "légers" problčmes.
Johannes Ullrich, de l'Institut Technologique SANS, estime que dans
certains cas, "on pourrait constater une perte de vitesse et de
fiabilité" en restant sur le systčme IPv4". "Mais ŕ terme, cela devrait
dire un internet plus fluide", a-t-il ajouté.
A terme, certains utilisateurs pourraient devoir acquérir de
nouveaux modems ou routeurs pour leur équipement, mais la plupart des
fournisseurs internet sont préparés pour la transition.
"Nous maintenons notre promesse d'une transition sans embűche vers
l'IPv6", déclare Jason Livingood, vice-président des systčmes Internet
chez Comcast, l'un des plus grands fournisseurs d'accčs américains.
Les grandes firmes de l'internet, comme Google et Facebook et les
équipementiers comme Cisco, encouragent les entreprises et les
particuliers ŕ faire la transition, affirmant que cela rendra la
communication entre les différents appareils d'un réseau domestique ou
professionnel plus efficace.
"Votre réseau actuel fonctionnant sur le systčme IPv4 ne sera pas
obsolčte avant longtemps", assure Sampa Choudhuri, une responsable de
Cisco.
Mais "si par exemple vous faites des affaires avec d'autres qui
sont déjŕ sur le systčme IPv6, vous avez intéręt ŕ faire la transition
le plus tôt possible", ajoute-t-elle.
rl/ved/sl/eg/so
Categ: ECO Date:0558 030612 GMT
File : 971161-01-04.xml
În supermarketuri nimic nu se aruncă, totul se transformă.
