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Protecting IP route discovery

One of the key features of the Internet is its ability to dynamically adjust to network changes, ensuring messages reach their destination even when link failures occur.

Even though route discovery is a critical facility of IP networks, the subject is often regarded as wizardry with its secrets closely guarded by a select few.

Yet understanding the role and operation of route discovery protocols is necessary for all those who are responsible for ensuring the reliability and security of IP networks.

One often neglected aspect of the route discovery process is its vulnerability to misuse by those with malicious or fraudulent intent.

PTT’s online course covering “IP routing” provides a clear yet detailed guide to the operation and facilities of route discovery protocols. This interactive course has recently been updated and expanded to explain how the security of the routing process can be improved.