The purpose of the network layer is to help route messages between different local networks. Central to this layer is the concept of exclusive network addresses, where every terminal connected to the ...

Ethernet is a layer 2 data link protocol that is widely used with the TCP/IP protocol, which resides at layers 3 and 4. To understand network communications, it is essential to learn about the ...

Knowledge of the structure of Internet Protocol (IP) packets is a fundamental part of understanding the Internet and how information moves from one point to another. The benefits of such knowledge ...

Security and networking platforms for large enterprises and data centers are rapidly evolving in sophistication and performance. In the security space, simple packet-filtering firewalls are evolving ...