I was thinking about the problem of using legacy IPv4-only apps with IPv6, and I got to thinking about how programs like stunnel and ssh can do a trick where they can either open a local port that ...

No one doubts that IPv6 will have a huge impact in the networking sector. As more end users become connected and cellular phone providers looking to deliver IP-enabled mobiles, IPv6 is required to an ...

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 ...

IPv6 is a powerful enhancement to IPv4 with features that better suit current and foreseeable network demands, including the following: IPv6 increases the number of address bits by a factor of 4, from ...

Check out Denise Donohue’s blog. More Cisco Press book chapters from new and classic Cisco Press books. Of these, many capabilities have been backported to IPv4. The primary adoption of IPv6 will be ...

The current IP address scheme of 32-bit words is fast becoming inadequate. It would appear that 2 32 = 4 294 967 296 combinations of addresses should be enough for everybody, but in practice this is ...