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Internet Ø: Introduction. Karen Sollins MIT CSAIL October 12, 2006. Consider: Lighting Air temp and flow Power mgmt Access control Elevators Sensors/embedded devices Objectives Extremely inexpensive Extremely small Low communication footprint: slow and low volume

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internet introduction

Internet Ø: Introduction

Karen Sollins

MIT CSAIL

October 12, 2006

slide2
Consider:

Lighting

Air temp and flow

Power mgmt

Access control

Elevators

Sensors/embedded devices

Objectives

Extremely inexpensive

Extremely small

Low communication footprint: slow and low volume

Direct peer communication (where possible)

IP

IP

IP

IP

Layer 2/

Modulation

Layer 2/

Modulation

Layer 2/

Modulation

Layer 2/

Modulation

Medium

Medium

Medium

Medium

Why?
design criteria and encoding

stop

0

1

0

0

1

0

0

1

Design: Criteria and Encoding
  • Medium independence
  • Collision/reflection avoidance: bit length longer than net
  • Simplicity
  • End-to-end modulation

UDP, TCP

IP

SLIP

ASCII

8N1

Δt

start

application support
Application Support
  • THTP
    • Single packet payload only
    • Minimum HTTP support: GET, POST, reply, extremely limited error msgs
    • Standard HTTP format
  • Scalable encryption: basis for authentication, privacy, integrity
looking forward
Looking forward
  • Federation:
    • Multiple Internet Ø nets interconnected: how to allow individual nets retain simplicity
    • Integrating Internet Ø nets with larger Internet
  • Commercial potential: device, power and control, networking, building industry
  • Services, functionality, support structure between THTP and applications
documents
Documents
  • Internet 0: Inter-device Internetworking, Krikorian, MS Thesis, 2004
  • The Internet of Things, Gershenfeld, Krikorian, Cohen, Scientific American, Oct. 2004
  • SEA: A Scalable Encryption Algorithm for Small Embedded Applications, Standaert, Piret, Gershenfeld, Quisquater, ECRYPT Workshop on RFID and Lightweight Crypto, Graz, Austria, 2005
  • Design Issues in Internet 0 Federation, Sollins, Li, MIT Dspace
  • Internet Ø: Interdevice Internetworking, Gershenfeld, Cohen, submitted for pub in IEEE Circuits and Devices Mag.
  • Internet 0: A proposal for End-to-End Modulation, Gershenfeld, Cohen, Snide, Lynn, to be submitted to IETF as Informational RFC
  • Trivial Hypertext Transfer Protocol (THTP), Gershenfeld, Snide, Johnson, Lynn, submitted to IETF as Informational RFC
speakers
Speakers
  • Standardization, Rob Beverly, MIT
  • IØ interfaces for devices and controllers, Todd Snide, Schneider Electric
  • IØ in Linksys routers, Kerry Lynn,Cisco
  • IØ and SunSpot: Doug Johnson, Danny Cohen, Sun Microsystems
  • Scalable Encryption for Embedded Applications, Jean-Jacques Quisquater, Université Catholique de Louvain
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