[BCP28]    Best Current Practice 28,
              <https://www.rfc-editor.org/info/bcp28>.
              At the time of writing, this BCP comprises the following:

              Allman, M., Glover, D., and L. Sanchez, "Enhancing TCP
              Over Satellite Channels using Standard Mechanisms",
              BCP 28, RFC 2488, DOI 10.17487/RFC2488, January 1999,
              <https://www.rfc-editor.org/info/rfc2488>.