When compared to alternative network security mechanisms, such as those at the application layer, what are the advantages and disadvantages of using IPSec?

What are some other types of firewalls than router-based?

Network security is a long-standing issue, requiring a careful balance between security and usability. With this in mind, look at the differences between IPv4 and IPv6 and comment on the new security features in IPv6, focusing specifically on ease of use and how effective you think they will be in maintaining the three tenets of Information Security: Confidentiality, Integrity, and Availability.

Explain the concept of "zero trust" security architecture in wireless networks and how it differs from traditional network security models.