Full Name: 2021 6th International Conference on Information and Network Technologies (ICINT 2021)--EI Compendex, Scopus Abbreviation: ICINT 2021 Welcome to join in the 2021 6th International Conference on Information and Network Technologies (ICINT 2021)， which will be held in University of the Ryukyus, Okinawa, Japan during May 22-24, 2021. For papers submitted to ICINT 2021, we offer the publications as following: 1. Publication in Conference Proceedings. Submissions will be peer reviewed by conference committees, and accepted papers will be published in the conference proceedings, which will be indexed by EI Compendex, Scopus, etc. 2. Publication in Journal. Submissions will be reviewed by the conference committees and journal editorial board, and accepted papers will be published in Journal of Advances in Computer Networks, which will be indexed by EI (INSPEC, IET), Electronic Journals Library, Ulrich's Periodicals Directory, ProQuest, and Google Scholar. etc. There are two methods for submitting your paper: 1. By our electric system: https://cmt3.research.microsoft.com/ICINT2021 2. By our contact email box: icint@iacsitp.com Please feel free contact with us: Conference Secretary: Nina Lee E-mail: icint@iacsitp.com Telephone: +86-28-86512185 For more information about international conferences, please visit our conference website: ICINT 2021 website: http://www.icint.org/