If every torrent includes a webseed, then you're still left with the problem of needing to build a full HTTP CDN, and now have to also maintain the largest tracker infrastructure ever deployed for Bittorrent.
Under normal conditions with well behaved clients, raw bandwidth for the large packages is essentially never the issue. Misbehaving clients, cache thrashing, IOPS are the sort of issues that cause pain for mirrors.
Under normal conditions with well behaved clients, raw bandwidth for the large packages is essentially never the issue. Misbehaving clients, cache thrashing, IOPS are the sort of issues that cause pain for mirrors.