Yamanaka Lab. will exhibit a booth of the R&D of “MiDORi Network Technology” at the MPLS2009 International Conference on October 25-28.

The MiDOORi Network Technology ia a project name sponsord by the PREDICT program of the Ministry of Inter Affairs and Communications.

Mr. Shimizu’s paper regarding with Replicating Large Contents was published in English Journal of IEICE（Oct. 2009）
http://search.ieice.org/cs/

title:Resource Minimization Method Satisfying Delay Constraint for Replicating
Large Contents
authors:Sho SHIMIZU  Hiroyuki ISHIKAWA  Yutaka ARAKAWA  Naoaki YAMANAKA  Kosuke
SHIBA
abstract:How to minimize the number of mirroring resources under a QoS constraint
(resource minimization problem) is an important issue in content
delivery networks. This paper proposes a novel approach that takes
advantage of the parallelism of dynamically reconfigurable processors
(DRPs) to solve the resource minimization problem, which is NP-hard. Our
proposal obtains the optimal solution by running an exhaustive search
algorithm suitable for DRP. Greedy algorithms, which have been widely
studied for tackling the resource minimization problem, cannot always
obtain the optimal solution. The proposed method is implemented on an
actual DRP and in experiments reduces the execution time by a factor of
40 compared to the conventional exhaustive search algorithm on a Pentium
4 (2.8 GHz).