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 ...

If you are using Internet or almost any computer network you will likely using IPv4 packets. IPv4 uses 32-bit source and destination address fields. We are actually running out of addresses but have ...

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 ...

At last, a small set of unicast addresses have been defined for special use. They do not carry a scope, so they are discussed independently of the other unicast addresses. Two basic addresses carry ...

The slow move to IPv6 has crept past another milestone, with the Internet Architecture Board (IAB) stating on Monday that the pool of unassigned IPv4 addresses have been allocated. "As a result, we ...

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 ...

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 ...

IPv6 is central to safeguarding the expansion of the internet, but the global deployment of the protocol raises its own security challenges, says Axel Pawlik. The global adoption of IPv6 is one of the ...

Many enterprises use OSPF version 2 for their internal IPv4 routing protocol. OSPF has gone through changes over the years and the protocol has been adapted to work with IPv6. As organizations start ...

It's been a quarter of a century since the first IPv6 standard was finalized as RFC 2460, and to say adoption has been slow is an understatement. The pool of available IPv4 addresses has been ...