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 ...

I don’t know about you, but it has been a long time since my laptop was assigned a public IPv4 address. Most of the time my laptop has a private RFC1918 IPv4 address. Rarely does my computer have a ...

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 ...

But if an IPv6 host sends a packet to another IPv6 host over the Internet, there’s no way to ensure that it won’t be routed through an IPv4 network. One way to make that work is via IP tunneling, ...

It is no secret that the 4 billion-plus Internet Protocol Version 4 (IPv4) addresses are just about used up. According, the American Registry for Internet Numbers (ARIN), “phase 4” of its IPv4 ...

The Internet Protocol (IP) developedduring the mid-1970s, is the backbone of a family of protocols thatincludes TCP, UDP, RIP, and virtually every otherprotocol used for Internet communications. The ...

On Feb. 3, 2011, the central pool of available IPv4 addresses managed by the Internet Assigned Numbers Authority (IANA) was depleted when each Regional Internet Registry (RIR) received its last IPv4 ...

At last month's CanSecWest conference, Philippe Biondi and Arnaud Ebalard showed that nearly all routers and the OSes from the BSD family (including Mac OS X) process the routing header type 0 (RH0) ...

More Internet traffic is expected to be carried via tunnels as the Internet infrastructure migrates from IPv4, the current version of the Internet protocol, to the long-anticipated upgrade known as ...