Re: filtering /48 is going to be necessary

On 3/9/12 22:02 , George Bonser wrote:

An ISP that has been given a /32 or larger allocation from PA space and might have 10,000 customers each assigned their own /48 could instantly more than double the size of the IPv6 routing table if they disaggregated that /32.

The problem here is that each /32 is 65536 /48 networks. An even larger net, say a /30 that disaggregates due to a router configuration goof means a potential of a huge number of networks suddenly flooding the Internet.

I'm well into my second decade of having a v6 prefix in the dfz and am passingly familiar with powers of two...