Appeal No. 2004-2185
Application 08/855,245
streaming said at least one base layer and at least one
selected enhancement layer of said multimedia data to said at
least one client computer via said one or more multicast groups
by sending a plurality of subsets of an embedded bit stream to a
plurality of multicast addresses;
receiving, in the multimedia server, feedback from at least
one client computer; and
right-sizing said multimedia data for each of the multicast
groups in response to the received feedback by causing the
selection, for each individual multicast group, of at least a
subset of the enhancement layers to be streamed to the multicast
group as a function of the received feedback.
The following references are relied on by the examiner:
Chaddha et al. (Chaddha) 5,621,660 Apr. 15, 1997
Bolot et al. (Bolot), "Scalable Feedback Control for Multicast
Video Distribution in the Internet," ACM copyright Notice,
SIGCOMM 94-8/94, pp. 58-67.
Claims 1-23 stand rejected under 35 U.S.C. § 103. As
evidence of obviousness, the examiner relies upon Chaddha in
view of Bolot.
Rather than repeat the positions of the appellant and
the examiner, reference is made to the brief for appellant's
positions and to the answer for the examiner's positions.
OPINION
For the reasons set forth by the examiner in the answer as
embellished upon here, we sustain the rejection of all claims on
2
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