Appeal No. 1999-2380
Application No. 08/575,743 Page 10
plurality of secured computers, is not associated with anyone of
a plurality of secured computers, or association with anyone of a
plurality of secured computers is uncertain.
The examiner asserts (answer, page 5) that "Jacobson lacks
the teaching of uncertain states." To overcome this deficiency
in Jacobson, the examiner turns to Futral for a teaching of this
feature. The examiner asserts (final rejection, page 4) that
"[t]he security mode [of Futral] prevents use of a data frame if
a source or destination address, is not comparable to a secured
stored value, or if it is uncertain whether there is a match or
not (no indication of a destination or source class). (column 3
lines 38-65 and col. 4, lines 14-49 and column 11, lines 28-64)."
The examiner further asserts (answer, page 4) that “Futral shows
that if an address is not found (no match between a secured
destination and/or source), or if the mode bits do not indicate a
destination or source class, the packet will not be processed.
This lack of indication of a destination class (for example)
infers to the system that the destination of the packet is
unknown, or uncertain."
Appellants argue (brief, page 6) that "applicants have had
difficulty identifying the particular teaching of Futral of such
determining of uncertainty," and that (id., page 7) "Applicants
Page: Previous 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 Next
Last modified: November 3, 2007