[e2e] userlevel TCP diagnostics

[mort]

hi,

upon reading RFC 675 recently, i came across the following text:

"""
5.  NETWORK MEASUREMENT PLANS FOR TCP

5.1  USERLEVEL DIAGNOSTICS

   We have in mind a program which will exercise a given TCP, causing it
   to cycle through a number of states; opening, closing, and
   transmitting on a variety of connections. This program will collect
   statistics and will generally try to detect deviation from TCP
   functional specifications. Clearly there will have to be a copy of
   this program both at the local site being tested and some site which
   has a certified TCP. So we will have to produce a specification for
   this user level diagnostic program also.

   There needs to be a master and a slave side to all this so the master
   can tell the slave what's going wrong with the test.
"""

...a precursor to a self-managed Internet perhaps :)

anyway, I was wondering if anyone could tell me whether this
program/service was ever implemented and deployed, and whether it was
reported anywhere?  (and if not, why not?)

thanks,

R.