Wireless Sensor Network(WSN) vs. Mobile Ad Hoc Network (MANET)

1
Wireless Sensor Network(WSN) vs. Mobile Ad Hoc
Network (MANET)
WSN MANET
Similarity Wireless Multi-hop networking
Security Symmetric Key Cryptography Publick Key Crytograpy
Routing Support specialized traffic pattern. Cannot afford to have too many node states and packet overhead Support any node pairsSome source routing and distance vector protocol incur heavy control traffic
Resource Tigher resources (power, processor speed, bandwidth) Not as tight.
2
Deal With Mischieving/Selfish Nodes

• Marti 21 and Buchegger and Boudec 22 suggest
• Punishment
• Reporting
• Holding Grudges
• vulnerable to blackmailers.

3
SPIN A Suite of Security Protocol for Sensor
Networks

• By Adrian Perrig et al at UC Berkeley. Wireless
  Networks, 8, 521-534,2003.
• Two Security Building Blocks
• SNEP (Secure Network Encryption Protocol)
• Provide data confidentiality, two-party data
  authentication, evidence of data freshness.
• mTESLA (micro version of TELSA)TELSA Timed
  Efficient Stream Loss-Tolerant Authentication
  Protocol
• Authenticated broadcast for resource constrained
  environment.
• Source authentication data not modified en
  route.
• Use symmetric crypto function (Message
  Authentication Code MAC function)