the network of everything, the internet 0
DESCRIPTION
The principles that gave rise to the Internet are leading to the network of everyday devices, The Internet 0.TRANSCRIPT
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Prof. Neil GershenfeldDirector
http://cba.mit.edu/~neilg
NSF CCR-0122419
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I0 BeliefsI0 BeliefsI0 BeliefsI0 Beliefs
• IP to leaf nodes
• peers don’t need servers
• physical identity
• compiled standards
• open standards
• big bits
• end-to-end modulation
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BigBigBitsBitsBigBigBitsBits
3x108 m/s / 100 m = 3x106 s-1
time
frequency
RFIRAC
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End-To-EndEnd-To-EndModulationModulationEnd-To-EndEnd-To-EndModulationModulation
UDP, TCP
IP
SLIP
ASCII
8N1
start stop0 1 0 0 1 0 0 1
“I”
Δt
no numbers
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Click CodingClick CodingClick CodingClick Coding
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SEA: a Scalable Encryption AlgorithmSEA: a Scalable Encryption Algorithmfor Small Embedded Applicationsfor Small Embedded Applications
SEA: a Scalable Encryption AlgorithmSEA: a Scalable Encryption Algorithmfor Small Embedded Applicationsfor Small Embedded Applications
F.-X.Standaert, G. Piret, N. Gershenfeld, and J.-J. Quisquater ECRYPT Workshop on RFID and Lightweight Crypto, Graz, Austria (July 13-15, 2005)
Li Ri
Sr
R Ki
R
Li+1 Ri+1
-1
KLi KRi
r
Ci
KLi+1 KRi+1
SR
• Scalable
• Provable security against linear, differential cryptanalysis
• Provable diffusion
• Parallel encryption/decryption
• On-the-fly key derivation
• Space → time tradeoff
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iii
xcxRxU
i
s.t.)(max
0
XCP :
Reno :2
HSTCP :1.2
Vegas :1
)1(log
)1()1()(
1
i
iii
x
xxU
iii
xRcxU
i
)(maxmaxmax0
IP TCPPHY
layering:
TCP flow control:
networking:
utility
routes
capacities
Protocols as Distributed OptimizationProtocols as Distributed OptimizationProtocols as Distributed OptimizationProtocols as Distributed Optimization
(Low, Chiang, Doyle,Kelly, Maulloo, Tan,
Mo, Walrand, ...)
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IR
RF
powerline
multidrop
RFID
bar codes
mag stripe
telephone
telegraph
IRDA
Bluetooth
Homeplug
RS-485
ISO 18000/EPC
UPC
ANSI/ISO
V.92
Morse Code
IØ
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http://cba.mit.edu/events/04.09.I0/
end-to-end modulation
interdevice internetworking
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CambridgeUniversity
Press
Henry Holtand Company
http://cba.mit.edu/~neilg
Basic Books