Rate your favorite Cisco Press books. Years of innovation and work to continuously improve various transport technologies and network elements led operators to have high expectations of their networks ...

In addition to IPv4 (often written as just IP), there is IP version 6 (IPv6). IPv6 was developed as IPng (“IP:The Next Generation” because the developers were supposedly fans of the TV show “Star Trek ...

It would have been so easy if the early Internet and TCP/IP network designers had made IPv6 backward compatible with IPv4. They didn't. In 1981, IPv4's 32-bit 4.3 billion addresses look more than ...

In this post, I will explain some of the basics that are easy to understand. Before we discuss the differences between IPv4 and IPv6, we need to know some of the basics of IPv4. Finally, I will ...

The last few blocks of internet addresses using IPv4 are widely expected to be handed out this week. Southampton University's Tim Chown explores what happens next with the switch to IPv6. As I write, ...

Internet service providers (ISPs) are running out of public IPv4 addresses and want to move away from IPv4 in their internal network. Mapping of Address and Port with Encapsulation (MAP-E), an IPv6 ...

As the next-generation Internet Protocol, IPv6 (Internet Protocol version 6) is the prerequisite for the future growth and development of the Internet. In the era of artificial intelligence (AI), 5G, ...

Most of us live our digital lives behind a layer of Network Address Translation (NAT), where dozens of devices share a single public IPv4 address at home. IPv6 was officially standardized in 2017, 22 ...

When the ARPANET was designed in the late 1960s, it was outfitted with a Network Control Protocol (NCP) that made it possible for the very different types of hosts connected to the network to talk ...

Twenty years ago, the fastest Internet backbone links were 1.5Mbps. Today we argue whether that’s a fast enough minimum to connect home users. In 1993, 1.3 million machines were connected to the ...