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Le London Internet Exchange - LINX

Qu'est-ce que le LINX ?

Le London Internet Exchange (LINX) est l'un des leaders mondiaux des points d'échange Internet (IXP) avec un peering de plus de 75 % de la table de routage globale. 

Avec plus de 490 membres connectés dans plus de 50 pays, les membres de LINX ont accès à des routes directes via un grand nombre de partenaires de peering différents dans le monde. Gérant 1 100 ports avec un débit journalier moyen de 1,18 Tbit/s, LINX garantit une grande fiabilité du trafic avec un meilleur contrôle du routage et des performances améliorées.

En tant qu'organisation à but non lucratif, LINX concentre ses efforts et les cotisations de ses membres à renforcer les services de réseau LINX. Cela permet de garantir que leurs infrastructures sont maintenues aussi à jour que possible et qu'ils restent à la pointe de l'industrie des points d'échange Internet (IXP). C'est ce qui leur permet de fournir à leurs clients des performances réseau améliorées, un faible temps de latence et plus de contrôle. 


Relations avec Telehouse

En tant qu'hébergeur principal du London Internet Exchange, Telehouse et LINX travaillent ensemble depuis 20 ans pour assurer l'infrastructure Internet européenne.

Ensemble nous avons accompli plusieurs tâches importantes en 2012 :
• Mise à niveau massive de l'infrastructure -> LINX a doublé sa capacité de base (dans tout Telehouse)
• LINX a >7Tb/sec de capacité connectée
• LINX a ~10Tb/sec de capacité de base rien que dans Telehouse
• Une grande partie de ces résultats sont dus au fait que LINX a été le premier au monde à utiliser les routeurs PTX de Juniper Networks dans le cadre des Jeux Olympiques de 2012 
• a aussi implémenté leur premier edge port 100G. Ceci a été mis en place pour British Telecom, à nouveau pour les Jeux de 2012



   

Back in November 1994, using a donated piece of equipment no bigger than a video recorder and without any legal contracts, five UK-based Internet Service Providers (ISPs) linked their networks in order to exchange data.

That moment was the birth of the London Internet Exchange (LINX) which is now one of the world's largest Internet Exchange Points (IXP).

Today LINX has members from the UK, Europe, the USA, the Middle East, Asia-Pacific and Africa.

In the beginning...

The gestation of LINX began when pioneering ISPs (Demon Internet, PIPEX and UKnet - along with the UKERNA, the UK academic network) started linking their UK networks together to save the cost and time delay involved in routing data across the Atlantic to US Internet exchanges. This was a painful process, and when BT indicated a willingness to join in, the idea of establishing LINX was born. The goal was to keep traffic local, and that has been a key part of the LINX ethos ever since those pioneering days in 1994.

Keith Mitchell, then chief technical officer of PIPEX, initiated a meeting to discuss the creation of a London-based Internet exchange. PIPEX provided the LINX founders with a Cisco Catalyst 1200 switch with eight 10-megabit ports and rack space was leased at a virtually empty data centre operated by Telehouse International Corporation of Europe Ltd at Coriander Avenue in London's Docklands.

Switching the first data through the Telehouse hub was a momentous event that was accomplished by primarily technical specialists who were unconcerned about the formalities of legal contracts. However, while PIPEX continued to provide administrative and technical oversight, the need for a formal constitution was eventually recognised.

Leading the way

In summer 1996 LINX became the first Internet exchange in the world to deploy a 100-megabit switch - a Cisco Catalyst 5000. In January 1999 it pioneered the implementation of a Metropolitan Area Network (MAN) running over gigabit Ethernet connections.

LINX continues to develop industry-leading initiatives. In 2000 a training manager was appointed to introduce an accredited training programme for Internet engineers and technicians.

As the Internet grew in popularity, legislators and law enforcement agencies inevitably decided it must be regulated. LINX increasingly found itself providing expert advice on behalf of members (and, therefore, the whole industry) to a wide range of official agencies.


  • In 2001 LINX amended its corporate structure to make the post of chairman non-executive and appointed its first chief executive officer, John Souter, previously UK managing director of German-owned Varetis Communications.
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  • In 2002, LINX was the first exchange to introduce 10G Ethernet operation, using equipment from Foundry Networks - in fact the second of their world-wide customers to deploy their technology.
  • The year 2003 saw the launch of the 'LINX from Anywhere' service, a facility that permits smaller ISPs to utilise the networks of existing members to obtain a secure, virtual presence on the LINX exchange without incurring the manpower and rackspace costs of having their own installation in London.
  • In 2004, LINX considerably expanded its footprint, with four new points of presence (PoPs) - all in the Docklands area of London.
  • LINX membership reached 200 in mid-2006.
  • In 2008, LINX again expanded, opening three new PoPs, this time adding considerably to the geographical diversity by doing so in the City of London, North Acton and Slough.
  • 2011 saw a major development with the primary LAN being both redesigned and switched to a new vendor. Working with Juniper Networks, the new primary London LAN is VPLS-based.
  • In 2012 LINX became the first Internet Exchange (and the first Juniper customer) in the world to install a Juniper PTX5000 in a live network.
  • Also in 2012, the first 100G member port went live (for BT), just before the start of the London Olympic Games. LINX added 800G of additional member capacity in the month before the games. IXManchester - a new LINX exchange - went live in June 2012.
  • In 2013, LINX became one of the first IXPs to start using 100G technology in our backbone connections. 

Members of LINX vary from the telecommunication, IT, finance, government to the gaming and education sector. 
 
•       65 of the top 100 global networks
•       Almost all UK ISPs
•       Content
–      BBC, Facebook, Google, Microsoft, Twitter, Yahoo!…
•       Content Delivery
–      Akamai, BitGravity, Edgecast, Limelight, …
•       Many of the largest access networks
–      AboveNet, DT, Level3, NTT, Telefonica, XO, …
•       Education and Research
–      Eduserve, JANET, NORDUnet, TENET


How customers benefit from LINX?

Peering offers many benefits to network operators:
  1. More efficient routing for ISPs - Enables latency sensitive services (e.g. VOIP)
  2. Saves money– Lower cost to end users and/or more profit
  3. Gives ISPs and content providers more control - Better services to end users, lower dependency on things they can’t control
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  • Email

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