An apparatus includes a controller, a converter, and table information storing physical identification information identifying a physical port of first and second physical switches in association with virtual identification information identifying a virtual port of a virtual switch. \u2018Smoothie Time\u2019 has a medium to tall vigor with a good foliage presentation. The system and method are applicable to problems such as an all against all comparison of all the DNA sequences in a large DNA database, clustering and assembling ESTs into the cDNAs that generated the ESTs, mapping assembled ESTs onto genomic sequence, mapping cDNAs onto genomic sequences and locating alternately spliced cDNAs.