I'm curious about the purpose of protocol numbers. I've heard about them in networking contexts, but I'm not entirely sure why they're necessary or what specific functions they serve.
5 answers
Giuseppe
Sun Oct 27 2024
The numeric identification assigned to the upper layer protocol is crucial for determining where an IP packet should be directed.
Giulia
Sun Oct 27 2024
This specific number is embedded within the header section of an IP packet, serving as a prefix that guides its routing.
EnchantedNebula
Sat Oct 26 2024
It's important to distinguish the IP protocol number from the port number, as they operate on different levels within the TCP/IP stack.
Margherita
Sat Oct 26 2024
The IP protocol number focuses on the network layer, ensuring packets are delivered to the correct destination based on their intended protocol.
SakuraWhisper
Sat Oct 26 2024
In contrast, the port number is used at a higher level, specifically within the application layer, to further route data to the appropriate service or application.