ATM promises to be a broadband network that provides quality of service guarantees for real time multimedia applications. ST-2 is an experimental connection-oriented protocol that provides guaranteed support for streams across an internet of hosts and routers. We describe an implementation of an ATM network as one link in an ST-2 internet. We explain how the ST-2 owspec is mapped into an ATM ho...

Communications networks require increasingly complex resource management to stay up and running. This is particularly true in networks which aim to provide some guaranteed quality of service (either explicitly as in ATM and other connection-oriented architectures or implicitly as in a smoothly running IP network). The resulting increased complexity of routing procedures needs to be handled in a...

W investigate how dynamic resource substitution in service systems impacts capacity requirements and responsiveness. Inspired by the contrasting network strategies of FedEx and United Parcel Service (UPS), we study when two service classes (e.g., express or regular) should be served by dedicated resources (e.g., air or ground) or by an integrated network (e.g., air also serves regular). Using c...

employees’ satisfaction based on their physical environment is an important factor that can improve employees’ performance, job satisfaction, and organizational productivity in office buildings. occupants’ environmental satisfaction are related to 10 different characteristics, including thermal comfort, air quality, lighting, acoustic quality, office layout, workspace furnishing, cleanliness an...

unfolded substrate into the active site. Proteasomes The endoplasmic reticulum (ER) is the port of entry of are abundant in the cytoplasm and nucleus, but are membrane and secretory proteins into the central vacuapparently absent from the ER lumen. olar system, which includes the ER itself, the Golgi appaMutations in the cystic fibrosis transmembrane conratus, lysosomes, endosomes, the plasma m...