A movable stuffing machine for producing silage is disclosed wherein the silage is stored on the bottom and is used for filling a tubular film. The linkage assemblies include separate linkage arrangements for horizontal and vertical displacement of the foot supporting members, and the linkage assemblies accommodate travel of the foot supporting members to positions laterally adjacent the cranks. The ingress port receives multiple packets including flood traffic. The heat source may be configured to separating an accessed portion of the sample from the non-accessed portion of the sample while maintaining the viability of the accessed portion while the non-accessed portion is maintained in the cryopreserved state. As a result, the database transactions sent by the foreground process will not have to wait behind more than the predetermined number of background transactions, thereby resulting in lower latency and avoiding or ameliorating delays to the user. The method comprises the following steps: a PE-FE sends a policy decision functional entity a QoS request message including predetermined parameters which are used to represent the QoS request information of the transport layer.