DTN

Delay Tolerant Networks

Part 1: Introduction In communication field, networks become more popular and routing protocols face multiple challenges. They have first to minimize delay then maximize throughput.

- Internet vs. DTN DTN routing involves message replication. They are therefore useful to operate over long distances as for telecommunications space 1 for which latency reaches sometimes hours or even days On another hand we have Internet which is based on packet forwarding.

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Part 2: - DTN Architecture and Bundle Protocol

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Part 3: Application Areas

- Opportunistic/social networking

- VANETs

- Habitat monitoring

- DTN-based Social Network

- Low cost communication solutions

Part 4: Conclusion

Some of characteristics of Delay Tolerant Networks are:

- No end-to-end path

- Intermittent connectivity

- Long delay

- They are also dynamic