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IPSec: The New Security Standard for the Internet, Intranets, and Virtual Private Networks, Second Edition by Dan Harkins, Naganand Doraswamy

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Chapter 12. IPSec Futures

While IPSec is a versatile and functional protocol for securing IP, it is not a complete solution for all deployments, and there are still other issues that may need to be addressed. Many protocols desire to use IPSec to satisfy their security concerns and these have different problems that IPSec addresses incompletely. Indeed, while IPSec is a solution to a large problem, it is a problem to other protocols—for instance, network address translation (NAT).

Compression

Compression algorithms work by detecting patterns in data and eliminating duplicates. Encryption renders plaintext into seemingly random ciphertext. The better the encryption algorithm, the more random the ciphertext will appear. Regardless of the algorithm, ...

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