Summary: Analysis of the Processing and Sojourn Times of
Burst Control Packets in Optical Burst Switches
Luis de Pedro, Javier Aracil, Jos´e Alberto Hern´andez and Jos´e Luis Garc´ia-Dorado
Networking Research Group, Depto. Ingenier´ia Inform´atica
Universidad Aut´onoma de Madrid, Spain
Abstract--In Optical Burst Switched networks, when a Burst
Control Packet arrives at a core node, its scheduling algorithm
looks up its internal reservation table for an available gap at
which to accomodate the incoming burst. The processing time
of the BCP is variable, and depends on the number of available
gaps over which to perform the search.
This work analyses the gap distribution in such reservation
table, and derives an expression for the waiting time of BCPs,
assuming LAUC-VF scheduling. Our findings can be applied to
the dimensioning of the offset time values in OBS networks, for
a realistic case of BCP variable processing times.
Index Terms--Optical Burst Switching, Burst Control Packet
processing time, void filling scheduling algorithms.
Optical Burst Switching (OBS)  provides intermedi-