A virtual secure service oriented network and process model for the creation and management of secure service communities including a private secure digital courier means for the secure and auditable movement of digital information over any network connection wherein end to end security is provided. To minimize the axial temperature difference of a heating roller, the coil bobbin has a shape with which the interval between coils is held at a predetermined interval. The preferred catalyst contains at least one rhenium compound deposited on a support principally composed of alumina, treated at a temperature of more than 750 C.