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 ...

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 ...

Comcast is asking for volunteers to participate in its upcoming IPv6 trials. The cable ISP has been participating in IPv6 circles for a long time and with its huge subscriber base, it is experiencing ...

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 ...

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 ...

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, ...

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 ...

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) ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Now that World IPv6 Day (June 8) is behind us, we can all take comfort in the fact that the ...