STD 21
The STD subseries marks RFCs that are Internet Standards. Each STD number points to the current RFC that defines that standard; when a standard is updated, the STD number is reassigned to the new RFC.
1 document
The STD subseries marks RFCs that are Internet Standards. Each STD number points to the current RFC that defines that standard; when a standard is updated, the STD number is reassigned to the new RFC.
1 document