[governance] FW: [IP] Economist article on Louis Pouzin
Mawaki Chango
kichango at gmail.com
Wed Dec 4 15:02:04 EST 2013
;-)
Thanks, Jean-Louis... I'd agree with you that the best way to celebrate
Louis's accomplishments is to keep hope alive for evolving network
technologies -- and yes, Africa's time will come, sooner than later.
Cheers - et encore bravo, grand-frere Louis!
mawaki
On Wed, Dec 4, 2013 at 5:51 PM, Jean-Louis FULLSACK <jlfullsack at orange.fr>wrote:
>
>
> +1
>
> and -once again- bravo Louis !
>
>
>
> Please, Mawaki, you should be (more) indulgent with the French government
> : a lot/most of countries -the UK and Germany for instance, but also AT&T-
> failed to take the Internet lane ! Instead of that they were building their
> optical fibre networks ... that Internet was happy to take ! And what's
> more, they had to invest money in masses for building their networks but
> they were able to pay for it. This self-financing model is seriously
> burdened by the "business" that the Internet has become. Just take a look
> on the telcos' ARPU ...
>
>
>
> As Louis, I believe thet Internet has to evolve and improve for living.
> Thus there is some place for other "Louis" -and hopefully in Africa!- in
> this perspective.
>
>
>
> Best regards
>
>
>
> Jean-Louis Fullsack
>
>
>
>
> > Message du 04/12/13 17:34
> > De : "Mawaki Chango"
> > A : "Internet Governance" , "michael gurstein"
> > Copie à :
> > Objet : Re: [governance] FW: [IP] Economist article on Louis Pouzin
>
> >
> >
> +1
> >
> Ah, the French government! They always have a way with missing historical
> moments such as this -- taking the wrong decision at the... wrong time
> (well, time is always wrong for wrong decisions, anyway.)
> >
> >
> mawaki
> >
>
> >
> >
> On Wed, Dec 4, 2013 at 3:28 PM, michael gurstein <gurstein at gmail.com>wrote:
> >
>>
>> *From: *Andrew Russell <arussell at stevens.edu>
>>
>> *Subject: Economist article on Pouzin*
>>
>> *Date: *December 4, 2013 at 10:07:39 AM EST
>>
>> *To: *Dave Farber <dave at farber.net>
>>
>>
>>
>> Hi Dave -
>>
>>
>>
>> For IP - The Economist has published a nice article on Louis Pouzin:
>>
>>
>> http://www.economist.com/news/technology-quarterly/21590765-louis-pouzin-helped-create-internet-now-he-campaigning-ensure-its
>>
>>
>> The internet’s fifth man Louis Pouzin helped create the internet. Now
>> he is campaigning to ensure that its design continues to evolve and improve
>> in future
>>
>> Nov 30th 2013 | From the print edition<http://www.economist.com/printedition/2013-11-30>
>>
>> > AT A glitzy ceremony at Buckingham Palace this summer, Queen Elizabeth
>> II honoured five pioneers of computer networking. Four of the men who
>> shared the new £1m ($1.6m) Queen Elizabeth Prize for Engineering are
>> famous: Vint Cerf and Bob Kahn, authors of the protocols that underpin the
>> internet; Tim Berners-Lee, inventor of the world wide web; and Marc
>> Andreessen, creator of the first successful web browser. But the fifth man
>> is less well known. He is Louis Pouzin, a garrulous Frenchman whose
>> contribution to the field is every bit as seminal.
>>
>> In the early 1970s Mr Pouzin created an innovative data network that
>> linked locations in France, Italy and Britain. Its simplicity and
>> efficiency pointed the way to a network that could connect not just dozens
>> of machines, but millions of them. It captured the imagination of Dr Cerf
>> and Dr Kahn, who included aspects of its design in the protocols that now
>> power the internet. Yet in the late 1970s France’s government withdrew its
>> funding for Mr Pouzin’s project. He watched as the internet swept across
>> the world, ultimately vindicating him and his work. “Recognition has come
>> very, very late for Louis,” says Dr Cerf. “Unfairly so.”
>>
>>
>>
>> […]
>>
>>
>>
>> > Mr Pouzin visited American universities to learn more about ARPANET, a
>> network funded by the military that had been switched on two years before,
>> and which relied on a promising new technique called “packet switching” to
>> deliver data from one machine to another. Chopping up all communications
>> into data packets of fixed size, and allowing machines to relay packets to
>> each other, meant that there was no need for a direct link between every
>> pair of machines on the network. Instead, they could be wired together with
>> relatively few connections, reducing the cost and increasing the resilience
>> of the network. If a network link failed, packets could take a different
>> path.
>>
>> > But to Mr Pouzin, ARPANET seemed over-designed and inefficient. Every
>> computer required a complex piece of hardware to link it to the network,
>> because ARPANET’s design included a connection set-up phase, in which a
>> path across the network was established for communication between two
>> machines. Packets were then delivered in order along this path.
>>
>> Mr Pouzin’s team came up with a leaner, more efficient way to do things.
>> Instead of deciding in advance which path a series of packets should travel
>> along, they proposed that each packet should be labelled and delivered as
>> an individual message, called a datagram. On ARPANET, strings of packets
>> travelled like carriages of a train, travelling in strict order from one
>> station to another. On CYCLADES, packets were individual cars, each of
>> which could travel independently to its destination. The receiving
>> computer, not the network, would then juggle the packets back into order,
>> and request retransmission of any packets lost in transit.
>>
>>
>>
>> Such “connectionless” packet-switching reduced the need for sophisticated
>> and costly equipment within the network to establish predetermined routes
>> for packets. The system’s simplicity also made it easier to link up
>> different networks. The first CYCLADES connection, between Paris and
>> Grenoble, debuted in 1973—closely watched by Dr Cerf and Dr Kahn, two
>> American scientists who were by this time mulling how best to overhaul
>> ARPANET. They built on Mr Pouzin’s connectionless, datagram-based approach,
>> so that concepts from CYCLADES found their way into the TCP/IP suite of
>> protocols on which the modern internet now runs.
>>
>>
>>
>> [snip]
>>
>>
>>
>>
>> http://www.economist.com/news/technology-quarterly/21590765-louis-pouzin-helped-create-internet-now-he-campaigning-ensure-its
>>
>>
>>
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