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David, > David Kessens wrote: > From what I see, there are very few people who filter on /32 > boundaries. Operational practise seems slightly different from > theory. This is not what I hear nor what I see with my own peers. It would be interesting to actually take a poll among those of us that don't filter ingress routes. I see everything from no filtering at all to strict filtering. The bottom line is that as long as at least one of the large v6 ISP is filtering nobody serious about Traffic Engineering would bother announcing longer prefixes because they don't want to carry traffic internally. I hear that NRENs are filtering for the most part and fortunately at least some of the large brokers such as Viagénie are doing things right and filter as well. For what I can tell, these organizations have the support of the community. I think that the point Craig was trying to make is that there is no point announcing long prefixes if half of the ASes filter them. If there were only one or two small stray ASes filtering it would be a different picture but this is not what I see today. Michel.
