computer communication networks introduction · 1 computer communication networks introduction...
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Computer Communication Networks Introduction ICEN/ICSI 416 – Fall 2016 Prof. Dola Saha
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Introductions
Ø Instructor § Prof. Dola Saha, PhD University of Colorado Boulder § http://www.albany.edu/faculty/dsaha/ § [email protected]
Ø Students § Upload pictures in blackboard
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Information
Course Website Blackboard
Lecture Slides Homework Assignments
Class Calendar / Schedule Homework Submission
Other Information Homework Solutions
Announcements
Grades
Ø Course Website: § http://www.albany.edu/faculty/dsaha/teach/2016Fall_CEN416/2016Fall_CEN416.html
Ø Blackboard:
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Office Hours
Ø Where: BA 312
Ø When: § Tuesday 2:00-3:00PM § Thursday 3:00-4:00PM § By appointment.
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Textbooks
Ø Required: § "Computer Networks: A Systems Approach", Larry Peterson and Bruce
Davie, Elsevier
Ø Reference: § "Computer Networking: A Top Down Approach", James Kurose and
Keith Ross, Pearson § "Computer Networks", Andrew S. Tanenbaum, and David J. Wetherall,
Pearson
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Assignments & Grading
Ø Assignments § No late assignments will be accepted. § All assignments are due by 11:59PM on the due date. § Re-grading requests will be considered up to 5 business days after
posting the grades for the corresponding assignment.
Ø Grading § Projects - 20% § Homework - 20% § Midterm - 25% § Final Exam - 30% § Attendance and class participation – 5%
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Academic Integrity
Ø Undergraduate Academic Regulations § http://www.albany.edu/undergraduate_bulletin/regulations.html
Ø Academic Dishonesty § Plagiarism, Cheating on examinations, unauthorized collaboration, etc.
Ø Practicing Academic Integrity § Citation
Ø Penalties for Violation § Warning, lowering grade, failing grade
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Cell Phone in classroom
Ø Keep your phone in vibrate mode Ø Be attentive Ø Respect other students
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Why this course?
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Syllabus
Ø Internet Architecture Ø Application, Transport, Network, MAC and Physical Layers Ø Network Security Ø Congestion Control Ø Resource Allocation Ø Modern Applications
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2014 2015 2016 2017 2018 2019
Tablets Other Portables Nonsmartphones M2M Smartphones Laptops
Challenges Ahead
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Ø High bandwidth Ø Low latency Ø High Reliability Ø Number of devices Ø Diversity in traffic
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15
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2014 2015 2016 2017 2018 2019 Expected Growth of Mobile Devices
Expected Growth of Mobile Data Traffic
Source: Cisco Visual Networking Index Mobile, 2015
Exab
ytes
per
mon
th
Billi
ons o
f Dev
ices
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Rotary Phone
Ø Used by telephony system
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History of the Internet
http://www.internetsociety.org/internet/what-internet/history-internet/brief-history-internet
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Circuit Switching vs Packet Switching
Telephone
Internet
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Circuit Switching vs Packet Switching
Timing of events in (a)circuit switching, (b)packet switching.
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Evolving Internet
http://malonemediagroup.com/history-of-the-internet-timeline-an-ever-evolving-digital-world/
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Proverb
Ø Tell me and I forget. Ø Show me and I remember. Ø Involve me and I understand.
Homework is a way to get involved!!!!
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Wireshark
Ø https://www.wireshark.org § Get Acquainted à Download stable release
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Python
Ø Download Python § https://www.python.org/downloads/ § Check your OS § Version – 3.5.2