enum-8----Page:6
1  2  3  4  5  6  7  8  9  10  11  12  13  14 

Related Work
EDNS0 is recommended here:
In practice, you will have problems if it is not supported
Particularly over “long pipes” such as cellular access networks, using TCP fallback is painful, and will result in unacceptably long delays (seconds)
Given that some territories regulate the maximum time before a call is placed, this may be a problem unless EDNS0 is available
Parallel Effort to produce a document just for EDNS0
Status is still under discussion with DNSOPS Reviewer (Lars-Johan Liman) to decide on capitalisation of MUSTs
New version will be issued once this is completed

PPT Version