Japanese Firms Achieve Asia’s First Internet-exchange Interconnection using 400 Gigabit Ethernet

A joint team of Multifeed, IIJ and NTT Com has conducted a successful IX interconnection in Asia using 400 Gigabit Ethernet. This is a first of its kind experiment where a four times higher traffic bandwidth of commonly used 100 Gigabit Ethernet.

NTT Com in a pressrelease stated that the demonstration has confirmed 400-gigabit Ethernet’s viability commercially in terms of interoperability and performance for IX.

The success achived by these companies will accelerate the introduction of 400-gigabit services by not only IX providers but also major ISPs and content-service providers to increase bandwidth and aggregate IX connection ports for improved operability and cost efficiency. In addition, IXs offering increased bandwidth would enable Internet users to benefit from more diverse Internet environments.

NTT news release says the team interconnected 400-gigabit routers and switches made by Arista Networks, Inc, Cisco Systems, LLC, and Juniper Networks in the demonstration to confirm interoperability at the physical and network levels, including optical switches, routing control, and 400-gigabit traffic flow using 400-gigabit interfaces (400G-FR4 and 400G-LR4) in the IX.

Multifeed provided the test environment and verified the interoperability of the 400-gigabit interface. IIJ and NTT Com verified the interoperability of the 400-gigabit interface from the standpoint of IX service users.

Multifeed intends to continue to study the introduction of a 400-gigabit service for JPNAP, targeting a commercial launch within the fiscal year ending next March, aiming to further enhance and expand its IX services with advanced technologies and services. IIJ and NTT Com also aim to introduce the technology to cope with increasing traffic and thereby enhance the mobile Internet as a key social infrastructure.

Internet traffic in Japan is steadily growing, including due to increasing digitization and, more recently, more time being spent at home during the pandemic, placing greater burdens on IXs connecting ISPs.

JPNAP has been providing a 100-gigabit interface since July 2012 and, IIJ and NTT Com both use 100-gigabit interfaces for Internet connections. With the continuing rise in Internet traffic, however, multiple 100-gigabit interfaces have been increasingly bundled out of necessity, pointing to the need for a wider bandwidth interface.

Standardized 400-gigabit Ethernet was introduced in 2017 and products compatible with 400-gigabit interfaces have been available from equipment manufacturers since 2019. Interoperability of these products is crucial for the launch of 400-gigabit IXs capable of connecting diverse operators, which is why practical steps are now being taken to realize actual implementation.

Multifeed is operating JPNAP, one of the largest Internet exchange in Asia. JPNAP is exchanging over 4.6 Tbps traffic and connected by about 220 customers all over the world in Tokyo, Osaka, Fukuoka and Sendai area.

IIJ is one of Japan’s leading Internet-access and comprehensive network solutions providers. IIJ and its group companies provide total network solutions that mainly cater to high-end corporate customers. IIJ’s services include high-quality Internet connectivity services, systems integration, cloud computing services, security services and mobile services. Moreover, IIJ has built one of the largest Internet backbone networks in Japan that is connected to the United States, the United Kingdom and Asia.

NTT Com solves global technology challenges by helping enterprises utilize managed IT-infrastructure solutions to overcome complexity and risk in their ICT environments. These solutions are backed by NTT Com’s worldwide infrastructures, including industry-leading, global tier-1 public and private networks reaching over 190 countries/regions, and more than 500,000 square meter of the world’s most advanced data center facilities.

Please read the full pressrelease from NTT Com: Multifeed, IIJ & NTT Com Achieve Asia’s First Internet-exchange Interconnection…

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