Network design, architecture, thinking, working. Tech.
A shorter show this week as Greg gets ready to go to Interop in Las Vegas next week courtesy of HP Networking. We look at recent events and talk generally about network with Tom Hollingsworth, Brandon Carroll and Greg Ferro.
I’ve talked before about Microsoft Teredo protocol for IPv6 tunneling and called it a bag of crap. Geoff Huston puts some solid information down about Teredo and why it should not be considered. My gut feeling : Teredo = NetBIOS (and we all know how that worked out) but Microsoft continues to develop it’s own proprietary technology and embed it into their products. Geoff Huston has some evidence about how bad it is.
Address Family Translation ( abbrev AFT) refers to the translation from one address family into another address family. For example, from IPv4 address to IPv6 address or vice versa. translation is sometimes denoted as NAT46 ( initiator from IPv4 side) or NAT64 (initiator from IPv6 side). AFT can be stateful or stateless. Stateless AFT is [...]
Slightly off topic, but I’m working with Skeeve Stevens to get some interviews setup for PacketPusherswith people from the various Network Information Centre (NICs) while they are at APNIC 31. I think there are lots of questions about public / Internet IPv6 and some early discussion of the issues would be useful, especially focussing on [...]
Some time ago I posted a word “chazwazza” to the Network Dictionary :Network Dictionary Chazwazza. Although it was mostly intended to be a humourous comment, what makes it funny is that we don’t actually have a good naming convention for the ‘chazwazza’ of an IPv6 address. Apparently I’m not the only person to have noticed. [...]
I’ve just been reading Russell Helling blog post – Fear and Loathing in IPv6 where he talks about gut reactions from the Service Provider side in Provider Independent (IPv4) address space. Go and read it.
Defining DNS64 and DNS46
It’s important for people to apply directly to their registry for IPv6 address allocation. You should not get an allocation from your Service Provider.
The thing about TCAM memory is that it can be big killer for IPv6 migration. Why ?
Some discussion on why allocating a /64 is not wasteful
