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Anh T.Pham www.u-aizu.ac.jp/labs/hw-cc/6/17/2011CCL Introduction
- 2011*
CCL Introduction - 2011
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Roadmap: Introduction: What & Why?Other &
Prerequisites6/17/2011CCL Introduction - 2011*
CCL Introduction - 2011
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Introduction6/17/2011CCL Introduction - 2011*
CCL Introduction - 2011
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Anh T.Pham Truong C. Thang 6/17/2011*CCL Introduction - 2011Lab
website: www.u-aizu.ac.jp/labs/hw-cc/
CCL Introduction - 2011
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: What & Why?6/17/2011CCL Introduction - 2011*
CCL Introduction - 2011
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6/17/2011*CCL Introduction - 2011
CCL Introduction - 2011
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vs. 6/17/2011*CCL Introduction - 2011: Can be replicated: You
lose it when you give it away
CCL Introduction - 2011
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What You Can Do with a Computer?Create/use Modify/process
Store6/17/2011*CCL Introduction - 2011
CCL Introduction - 2011
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6/17/2011*CCL Introduction - 2011
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What actually makes the Internet Work?6/17/2011CCL Introduction
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Japan Post ServiceOkinawa ken, Naha-shiMr.
SuzukiOkinawaYOUPostal office in AizuPostal office in TokyoPostal
office in OkinawaOkinawa ken, Naha-shiMr. SuzukiOkinawaPostal
serviceOkinawaOkinawa This is what you basically do not seeThis is
what you can see6/17/2011CCL Introduction - 2011*
CCL Introduction - 2011
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What Really Happen There?Which way?Which
mean?Car/train/bike/planeWhat is the next good way?6/17/2011CCL
Introduction - 2011*How to build a good, efficient system?How to
pack things ?
CCL Introduction - 2011
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6/17/2011CCL Introduction - 2011*
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6/17/2011CCL Introduction - 2011*Example applications HTTP
Streaming: Youtube, AppleTV RTP Streaming: IPTV, Hikari-TV Media
Broadcasting: Mobile TV Media Searching: Google with
image/video
CCL Introduction - 2011
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Open QuestionsHow to send multimedia data?Packetization,
encapsulation, Unicast/multicast protocolsWhen to send?Time
stampEvent information (context)What to send?How to make
content/media intelligent? Media transcoding and scalable-media
processingHow to make decisions?Signaling metadata for
contextServer-based, client-based6/17/2011CCL Introduction -
2011*
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6/17/2011CCL Introduction - 2011*
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We are working for achieving an efficiently &
fairly6/17/2011CCL Introduction - 2011*
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TechnologiesTelephoneFTTX (PON)FWADial-up InternetEarly
1990sMid-1990End 1990s2000sxDSLHFC (Cable)6/17/2011CCL Introduction
- 2011*Whats Next?
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(OCDM)6/17/2011CCL Introduction - 2011*
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Future OCDM-based 6/17/2011CCL Introduction - 2011*
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6/17/2011CCL Introduction - 2011*
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Survivable/Cooperative Town-based Network
Town Net B TVSofaGWIsolated house with victimsIsolated house
with victimsEvacuation siteLocal rescue HQbrokenVictimsRescue
teambrokento HQNo connection to the worldTo neighbor
communitiesbroken Maintaining vital communications for local
community: send updated status, receive updated data/instruction;
remote support/ surveillance from local HQ Rescue works: locating
victims, people need supportsKey technologies: Resilience network
model Protocol/data conversion for cooperative relay communications
Light-weight, energy-efficient protocols for emergency
purpose6/17/2011CCL Introduction - 2011*
CCL Introduction - 2011
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& Prerequisites6/17/2011CCL Introduction - 2011*
CCL Introduction - 2011
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: Basic: Advanced: Advanced: Specialized: Specialized
6/17/2011*CCL Introduction - 2011
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Prerequisites & Working PlanPrerequisitesMotivate to study
Mathematics backgroundGood at (at least) one programming language
(C/Matlab/Mathematica)Working PlanFirst stage: training (weekly
meeting)Second stage: brainstorming (bi-weekly meeting, or anytime
if you have an idea)Read papersConsult the advisor and decide your
theme Third stage: work on your project (bi-weekly)Computer
simulation, check analytical resultComplete your paper6/17/2011CCL
Introduction - 2011*
CCL Introduction - 2011
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What actually do we do ?Propose new techniques to improve system
performanceCreate mathematical analytical modelStudy current
systemsRe-design: proposed new method, add new components
etc.Publish the outcomeExpected result ?Computer simulation &
confirm the result6/17/2011CCL Introduction - 2011*
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Optical System Evaluation using Matlab6/17/2011CCL Introduction
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Optical System Simulation using OptiSystem6/17/2011CCL
Introduction - 2011*
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Network Simulation using Opnet6/17/2011CCL Introduction -
2011*
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Thank you for your attention !We look forward to welcome you at
CCL6/17/2011CCL Introduction - 2011*
CCL Introduction - 2011
**- We are living in the Information society, where Information
plays an increasingly role in our daily lifeWe create, use and
exchanging information everyday with help of our computing devices,
such as PC, laptops and smart phones
Have you ever think about what the Information is and how it is
different from things?
**The information network was actually born about more than
hundred year ago when Abraham Bell invented the Telephone in 18xx
???. Since then, the core NW has been aggressively developed with
many advanced technologies,
From analog tech to fully digital and computer-controlled
technology. From Manual SW to Circuit SW and Packet SW.However,
only a little change happen to the AN. Just few year ago, or even
now, many of us are still using the copper cable to connect to a
telephone, which is almost the same as the one Bell invented 100
year ago. There has been almost no development in the area of
access NW until 1990s.
Since, 1990s, there has been an aggressive development in the
area of the access NW. We can see here the development of access
method to the internet.
In early 1990, the most popular method is dial-up via the same
copper cable with the telephone. Hybrid fiber optic and coaxial
cable appeared and became popular in mid 1990s. HFC can provide
broadband access for computer user. However, it was expensive and
was not widely used, even in Japan. The reason of its expensiveness
is that new infrastructure is required, new cable must be used for
this service.
xDSL appears in the market during the end of 1990s and quickly
became popular. And ADSL is the most popular. ADSL can provide
broadband service on the same infrastructure with the PSTN so that
implementation can be very cheap and quick.
Recently, due to the demand of even higher speed, and most
importantly thanks to the PON technology, access network based on
optical fiber become popular recently.You can see in this figure
the broadband connection penetration in several countries and
distribution of technique in JapanWe are going to discuss the three
most popular technologies of dial-up, ADSL and PON in this
presentation.*1) What is CN.2) Why CN track are necessary.3) What
kinds of courses will be learnt from CN, why those courses.4) What
kind of jobs will need CN knowledges.
***
