Feed on
Posts
Comments

Monthly Archive for May, 2009

IPv6, really big numbers, MySQL

For lovers of storing IP addresses as integers in MySQL tables, there’s a snag when doing this for IPv6 addresses. A 128-bit number is too big to stuff into a BIGINT type. All Fs integer equivalent is 340,282,366,920,938,463,463,374,607,431,768,211,455. An unsigned BIGINT tops out at 18,446,744,073,709,551,615. These are your options: Store it as a VARCHAR(39) in […]

Read Full Post »

5,000 mile 6to4 journey

So here’s a traceroute to the anycast 6to4 address from my parents’ place. It winds up in Frankfurt, Germany! Their upstream, MBO is multihomed to Level3 and Sprint. I assume they’re defaulting to Level3, since the path to the Sprint 6to4 is 120 ms. traceroute to 192.88.99.1 (192.88.99.1), 64 hops max, 40 byte packets 1 […]

Read Full Post »

A big thing that I see a lot in the content and service provider world, when some outage or negative event happens the line is always “we apologize for the inconvenience.” This is another saying that irritates me to no end. I say this because over the past 36 hours tifa’s host, The Planet, had […]

Read Full Post »

Learning about IPv6

A few observations with IPv6 fiddling all day long: IPv6 peering is going to be crazy important. Only a couple of our transit providers, Tiscali and Verizon (f/k/a UUnet) will give us native/dual-stack transit. To help ensure independent connectivity we’ll have to turn up v6 peering at our various peering points. With IPv4 the driving […]

Read Full Post »

IPv6 in the home

I don’t know where March and April went, but they’re long gone. Since we finally put in for a IPv6 allocation at work, I decided it was high time to finally get it working at home. It’s still a bit of voodoo but I finally have a few things working. My home network is on […]

Read Full Post »