BULK has many uses and is not limited to IPv6 namespace. BULK RRs are intended to both:
- Simplify management of pattern-based RRs (e.g. $GENERATE) - Allow transfer of RR "intention" rather than verbatim RRs While BULK RRs offer a much greater range of pattern-based RRs allowing use to multiple quintillions (even a few undecillions) of IPv6 reverse, their usefulness doesn't stop there. One example of this might be cloud based environments where literally hundreds of resources (iSCSI, compute nodes, etc.) may need hostnames assigned for easy management and functional structuring. Additionally, since BULK RRs can be easily transferred between nameservers without expansion much smaller zone transfers are possible. The draft's authors have seen zones with more than 50MB worth of data (based on $GENERATEs) fail to reliably transfer between nameservers. BULK RRs could make a zone like this much more manageable and reliable across the network and ensure all copies of the zone remain intact. Thanks,John
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