IPv6 for IoT — SEcure Neighbor Discovery (SEND) and Duplicate Address Detection (DAD)

Internet-connected products are becoming increasingly popular, and while IPv4 addresses couldn’t meet the demand for IoT products, IPv6 gives IoT products a platform to operate on for a very long time.

IPv6 Address Format

ipv6 global unicast address format

IPv4 vs IPv6

ipv4 header vs ipv6 header

Why IPv6?

A. Security

B. Scalability

C. Connectability

SEcure Neighbor Discovery (SEND)

Duplicate Address Detection (DAD)

How SEND Counters Threats to NDP?

1. Neighbor Solicitation/Advertisement Spoofing

2. Neighbor Unreachability Detection Failure

3. Duplicate Address Detection DoS Attack

4. Router Solicitation and Advertisement Attacks

5. Replay Attacks

6. Neighbor Discovery DoS Attack

Attacks against SEND Itself

Cited Sources

Cybersecurity | Artificial Intelligence | Blockchain

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