Computer Networking Past Present Future Prof James WonKi

Computer Networking: Past, Present & Future Prof. James Won-Ki Hong Distributed Processing & Network Management (DPNM) Lab. Dept. of Computer Science and Engineering POSTECH http: //dpnm. postech. ac. kr jwkhong@postech. ac. kr DPNM Lab, POSTECH Computer Networking Past, Present & Future 1

Table of Contents • Who is Prof. James Won-Ki Hong? • What is Computer Networking? • 홍원기교수 + 강호동 = ? • Internet History • Telecommunication Networks • Mobile Networks: 1 G to 5 G • Wi. Fi & Optical Networks • Internet Applications DPNM Lab, POSTECH Computer Networking Past, Present & Future 2

Short Bio • Education – – • Professional Activities – – Prof. J. Won-Ki Hong ü 30+ Years Education Experience in Canada & Korea ü Global Startup Experience ü Industry Senior Executive Experience DPNM Lab, POSTECH 1991 – Ph. D in Computer Science, Univ. of Waterloo, Canada 1985 – MSc in Computer Science, Univ. of Western Ontario, Canada 1983 – HBSc in Computer Science, Univ. of Western Ontario, Canada 1975~1979 – Montcalm Secondary School, London, Ontario, Canada – – – – – CTO & SEVP, KT (Korea Telecom) (2012. 3 – 2014. 2) General Chair, 2019 IEEE International Conference on Blockchain & Cryptocurrency (May 15~17, 2019) General Chair, IEEE Blockchain Summit Korea (June 7 -8 , 2018) Executive Director, SDN/NFV Forum (2014. 10 – present) President, Intelligent Communication Industry Association (2013. 1 - 2014. 2) Chairman, Korea ICT Standards Committee (2012. 3 – 2014. 2) Dean, GSIT, POSTECH (2007. 3 – 2012. 2, 2015. 11 -present) Head, Division of IT Convergence, POSTECH (2008. 12 – 2012. 2) Head, Dept. of Computer Science, POSTECH (2008. 12 – 2010. 02) Director, POSTECH Information Research Labs (2007. 9 – 2010. 02) Professor, Dept. of Computer Science, POSTECH (1995. 5 – present) Research Professor, Univ. of Western Ontario (1992. 5 – 1995. 4) Editor-in-Chief, Int. Journal of Network Management (2012. 1 -present) Editorial Board Member of IEEE TNSM, JCN, JNSM, JTM IEEE Communications Society Member-at-Large (2015. 1 – 2017. 12) Co-Founder & CTO, Netstech, Palo Alto, USA (2000. 6 -2002. 2) Steering Committee Member of IEEE NOMS, IM, APNOMS, CNSM, Net. Soft General Chair (IEEE NOMS 2018, Net. Soft 2016, NOMS 2010, APNOMS 2008 & 2006) Director of On-Line Content, IEEE Comsoc (2004 -2005) Technical Chair (2001 -2002) & Chair (2005 -2009), IEEE Com. Soc CNOM Computer Networking Past, Present & Future 3

What is Computer Networking? § Supporting communications between computers and computing devices • Technologies • Principles, Paradigms • Protocols DPNM Lab, POSTECH Computer Networking Past, Present & Future 4

홍원기교수 + 강호동 = ? 포항으로 가요 https: //www. youtube. com/watch? v=R 9 au. Ft_wx. Ns DPNM Lab, POSTECH Computer Networking Past, Present & Future 5

Where did the music video come from and how? § Internet § Youtube § Server § Network DPNM Lab, POSTECH Computer Networking Past, Present & Future 6

The first computer networking? § 1965: Two computers at MIT Lincoln Lab communicate with one another using packet-switching technology DPNM Lab, POSTECH Computer Networking Past, Present & Future 7

The history of Internet – the birth § 1969: the Internet (ARPANET) was born with 4 sites: 1. UCLA 2. Stanford Research Institute (SRI) 3. UC Santa Barbara 4. University of Utah DPNM Lab, POSTECH Computer Networking Past, Present & Future 8

The Internet – 2018 DPNM Lab, POSTECH Computer Networking Past, Present & Future 9

The Internet – a simplistic view DPNM Lab, POSTECH Computer Networking Past, Present & Future 10

Telecommunication (통신사업자) Networks Telco Networks Foreign Carriers BSS NAT NMS OSS DNS DHCP SGSN EMS Web DPI Cache PCRF HSS Server Farm Global Hub MME GSR e. Node. B Data Center EPC Core S-GW P-GW 1 Center Router 1 Other Carriers IX Core Router GSR DPNM Lab, POSTECH Computer Networking Past, Present & Future 11

Mobile (이동 통신) Networks: 1 G to 5 G DPNM Lab, POSTECH Computer Networking Past, Present & Future 12

Wi. Fi (무선) Networks ax 2018년 말 2. 4, 5 160 9. 6 Gbps@160 MHz 8 * MIMO는 기지국과 단말기에 여러 안테나를 사용하여, 사용된 안테나 수에 비례하여 용량을 높이는 기술 DPNM Lab, POSTECH Computer Networking Past, Present & Future 13

Optical (광통신) Networks DPNM Lab, POSTECH Computer Networking Past, Present & Future 14

Internet Applications (1992~2010) DPNM Lab, POSTECH Computer Networking Past, Present & Future 16

Internet Applications (2010~present) DPNM Lab, POSTECH Computer Networking Past, Present & Future 17

Mobile Instant Messaging Apps (as of Jan. 2018) Whats. App (USA) • • Kakao. Talk (Korea) Started: Nov. 2009 Active Users: 1. 5 Billion Dominant: USA, Europe, Brazil, Mexico, India Acquired by Facebook (Feb. 2014) for $19 B We. Chat (China) • • • Started: March 2010 Active Users: 49. 8 Million Dominant: Korea (90% of Koreans use) Revenue from gaming, emoticon, finance 90% drop in Telco SMS Usage for last 6 years in Korea Line (Japan/Taiwan) • Started: Jan. 2011 • Active Users: 1 Billion • Dominant: China but growing in USA, Europe & Africa • Revenue from gaming, shopping, banking • Started: June 2011 • Active Users: 217 Million • Dominant: Japan, Taiwan, Southeast Asia and South America • Revenue from gaming, stickers, ads Source: techcrunch. com, Statista (www. statista. com) DPNM Lab, POSTECH Computer Networking Past, Present & Future 18

포항공대 MOOC 기반 AI & 블록체인 Nano. Master 프로그램 http: //www. postechx. kr DPNM Lab, POSTECH Computer Networking Past, Present & Future 19

Internet Applications (Present to Future)? DPNM Lab, POSTECH Computer Networking Past, Present & Future 20

IEEE Blockchain Summit Korea (2018. 6. 7~8) http: //sites. ieee. org/bcsummitkorea-2018/ DPNM Lab, POSTECH Computer Networking Past, Present & Future 21

2019 IEEE International Conference on Blockchain and Cryptocurrency http: //icbc 2019. ieee-icbc. org/ DPNM Lab, POSTECH Computer Networking Past, Present & Future 22

Concluding Remarks § Networking is a fundamental and important part of future! § Want to learn more about networking, blockchain, applications of AI? § Take the following courses: • • • CS 490 Blockchain & Cryptocurrency CS 490 Internet of Things (Io. T) CS 607 Network Management CS 702 Software Defined Networking, Network Function Virtualization CS 702 Advanced Network Management § 연구참여, 연구과제, 석사/석박사 @ DPNM Lab, POSTECH Computer Networking Past, Present & Future 23

Q&A DPNM Lab, POSTECH Computer Networking Past, Present & Future 24

References § § § https: //www. youtube. com/watch? v=R 9 au. Ft_wx. Ns https: //www. livescience. com/20727 -internet-history. html http: //dpnm. postech. ac. kr http: //postechx. kr http: //icbc 2019. ieee-icbc. org/ https: //www. rfpage. com/evolution-of-wireless-technologies-1 g-to-5 g-inmobile-communication/ DPNM Lab, POSTECH Computer Networking Past, Present & Future 25