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HADOPI (and others) and IPv6

26 January 2010 by Ch. Tronche | 1 Comment | Filed in French politics, techtalk

Tracking of internet users on the basis of their IP address seems to have some traction theses days (cf. for exemple the HADOPI law), at least in France.

With the coming exhaustion of IPv4 adresses, Internet Service Providers are putting together “transition” (permanent ?) mechanisms to make IPv6 works (when such a service do exist), with as little disturbance as possible for the existing users.

Part of these mechanisms may be to NAT IPv6 addresses distributed to their users to IPv4 adresses to keep the existing IPv4 services working. In order to do this, the ISPs will have to get the already distributed addresses back to feed the NAT mechanism.

The result: an IPv4 address will be used in succession by various users at different moments. The IP address (v4) alone won’t be enough to identify the user any more, only a set of dozens of clients.

Of course, there is a solution: to identify the user, the source port will have to be noted together with the IP address. This implies the ISP will store this information, a heavy and costly process, since the NAT associations are changed much more often than the IP addresses.

Simple technical difficulty or yet another risk of error ?

Timing can also be called into question: putting an authority like HADOPI in motion can take years, while the IP address exhaustion is predicted around 2012, forcing ISP into quick action.

A sad outcome of french elections

18 June 2007 by Ch. Tronche | 1 Comment | Filed in French politics

I once questionned how life would look like with both mandates of the President and the Prime Minister in the hands of only one almost married couple.

They’ve lost elections, but they lost more: Ségolène Royal and François Hollande broke up.

Whatever the (private) reasons behind this, they’re both professional politicians, so beyond the good reasons, it’s difficult not to think the real reason is that their relationship couldn’t stand their careers.

Whatever one may think from a political point of view, it’s always a sad thing when a love story comes to an end, especially since they got four children together.

Even in politics, the french way is always a story of the heart…

The marketing of the "Parti Socialiste" brand name

6 May 2007 by Ch. Tronche | Comments Off | Filed in French politics

It’s ballot time again, and today french citizens elect their president for the next five years. The contenders are the favorite Nicolas Sarkozy, a quite radical right-wing leader, and Ségolène Royal, the Socialist Party (Parti Socialiste or PS in french) champion.

I’ve already blogged about some weaknesses of the french PS, but my wife told me a story pointing to more, and this is were the marketing comes to the stage.


Marketing, stratégie de choix et le deuxième tour des élections présidentielles françaises

5 May 2007 by Ch. Tronche | 1 Comment | Filed in French politics

Ségolène Royal est arrivée au 2nd Tour (cf. mon post précédent).

Au cours du dernier débat télévisuel qui l’a opposée à Nicolas Sarkozy, elle a été bien meilleure communicante (et donc candidate) que la plupart ne l’aurait pensé, moi y compris.

Les sondages la donnent cependant perdante au 2nd tour, qui aura lieu Dimanche. Il ne faut préjuger de rien avant que le résultat définitif soit connu, mais tel n’est pas le sujet du jour.
J’aimerais pointer 2 faiblesses de la campagne du PS (ou force de la campagne de Nicolas Sarkozy) et ce qui me semble être une faiblesse structurelle du PS dans sa stratégie d’orientation.


The french President, the Prime Minister, and the Hollande-Royal family

22 April 2007 by Ch. Tronche | 3 Comments | Filed in French politics

As I’m going to vote in a few moments for the french presidential elections, I can’t help but think: if Segolène Royal (the socialist candidate, that is, the left wing) is elected, what’s going to happen to her husband, François Hollande, who’s heading the Socialist party ?