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What are the advantages of placing cryptographic algorithms at the network layer?   1. Applying an authentication algorithm on an IP packet in the transport mode will affect routing this packet and so a gateway is not needed to route the packet. 2. It is impossible to obtain a port number from an encrypted IP packet in the transport mode. 3. Encrypting payloads only will make it impossible to analyze traffic. 4. Application-layer applications will not be affected by encryption or authentication algorithms. 5. Encrypted IP packets in the tunnel mode are not visible to the gateways on the routing path. 6. Applying an encryption algorithm on an IP packet in the tunnel mode will make it impossible to route this packet and so a gateway is needed to route the packe

What are the advantages of placing cryptographic algorithms at the network layer?   1. Applying an authentication algorithm on an IP packet in the transport mode will affect routing this packet and so a gateway is not needed to route the packet. 2. It is impossible to obtain a port number from an encrypted IP packet in the transport mode. 3. Encrypting payloads only will make it impossible to analyze traffic. 4. Application-layer applications will not be affected by encryption or authentication algorithms. 5. Encrypted IP packets in the tunnel mode are not visible to the gateways on the routing path. 6. Applying an encryption algorithm on an IP packet in the tunnel mode will make it impossible to route this packet and so a gateway is needed to route the packe

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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What are the advantages of placing cryptographic algorithms at the network layer?

 

1.

Applying an authentication algorithm on an IP packet in the transport mode will affect routing this packet and so a gateway is not needed to route the packet.

2.

It is impossible to obtain a port number from an encrypted IP packet in the transport mode.

3.

Encrypting payloads only will make it impossible to analyze traffic.

4.

Application-layer applications will not be affected by encryption or authentication algorithms.

5.

Encrypted IP packets in the tunnel mode are not visible to the gateways on the routing path.

6.

Applying an encryption algorithm on an IP packet in the tunnel mode will make it impossible to route this packet and so a gateway is needed to route the packet.

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