Internet Infrastructure Review (IIR) Vol.48
September 2020

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• Executive Summary[650KB]
• Periodic Observation Report "Broadband Traffic Report:The Impact of COVID-19"[2.07MB]

  In this report, we analyze traffic over the broadband access services operated by IIJ and present the results each year.

• Focused Research (1) "MVNOs in the 5G Era:Advocating the VMNO Concept"[290KB]

  In this report, we explains the VMNO concept that we are advocating in relation to how MVNOs should be set up in the 5G era. 5G services began rolling out last year in a number of countries, and MNO services launched in Japan last year as well.

• Focused Research (2) "Japanese Text Analysis Using Splunk"[1.92MB]

  In this report,we describe our efforts as an operator of large-scale email services to automate the detection of spam and streamline service operations using machine learning technologies.