40 research outputs found
Admission control algorithms and reservation protocol for supporting mobile hosts in an Integrated Services Packet Network
No full textThis paper considers the support of real-time applications to mobile hosts in an Integrated Services Packet Network. We have proposed a service model for mobile hosts that can support adaptive applications which can withstand wide range of available bandwidth, as well as applications which require mobility independent service guarantees. We describe an admission control scheme and a reservation protocol for implementing this service model. Our admission control scheme achieves high utilization of network resources.Technical report lcsr-tr-28
Rate Adaptation Schemes in Networks with Mobile Hosts
No full textThis paper considers the problem of handoff management in an Integrated Services Packet Network supporting mobile hosts. In such a network, links may become overloaded due to a high concentration of mobile hosts within a given cell. As a result, the required Quality of Service guarantees cannot be provided to allows in that cell. However, there exist adaptive applications which can operate over a wide range of available bandwidth. Thus, it may be possible to overcome the link overload condition by reducing the bandwidth of individual rows, which we call rate adaptation. The two most important properties of a rate adaptation scheme are its network overhead and its fairness property. Rate adaptation schemes which ensure certain fairness properties, such as maxmining optimality criteria, have very high network overhead. Therefore, these schemes are not suitable for a highly mobile environment where rate adaptation may have to be invoked frequently. In this paper, we investigate the tradeoff between the network overhead and the fairness property of rate adaptation in a mobile environment. We first characterize the fairness property of rate adaptation by several measurable parameters. We then describe two rate adaptation schemes, one of which has very low network overhead but is `unfair', while the other scheme is `fair' but has a very high network overhead. Finally, we propose a new rate adaptation scheme which reconciles the two conflicting properties. Results of simulation experiments comparing the performances of the three rate adaptation schemes are presented.Technical report DCS-TR-35
MRSVP: A Reservation Protocol for an Integrated Services Packet Network with Mobile Hosts
No full textThis paper describes a reservation protocol to provide real-time services to mobile users in an Integrated Services Packet Network. The mobility of hosts has a significant impact on the quality of service provided to a real-time application. The currently proposed network system architecture and mechanisms to provide real-time services to fixed hosts are inadequate to accommodate the mobile hosts which can frequently change their point of attachments to the fixed network. Mobile hosts may experience wide variations of quality of service due to mobility. Therefore, a new real-time service architecture is necessary to accommodate mobile hosts which can tolerate variations in QoS and those which want mobility independent service guarantees in the same network. To obtain mobility independent service guarantees, a mobile host needs to make resource reservations at all locations it may visit during the lifetime of the connection. The currently proposed reservation protocol in the Internet, RSVP, is not adequate to make such reservations for mobile hosts. In this paper, we describe a new reservation protocol, MRSVP, for supporting Integrated Services in mobile networks.Technical report DCS-TR-33
Multiplatform observations for measuring wetland landscape topography
No full textGeoscience and Remote SensingCivil Engineering and Geoscience
Diabetogenic Microbiome - A Review on the Microbes Involve in Diabetes
No full textDiabetes has emerged as a pandemic and has caused a great percentage of mortality all over the world according to the World Health Organization (WHO). This worldwide health issue has turned to be a major concern as it shares its role in the onset and progression of many other metabolic diseases along with it. Several factors that include microbes such as bacteria and viruses, diet, and lifestyle comes into play in the progression of this autoimmune disease. Studies done on humans and experimental animal models have provided a great deal of knowledge on how bacteria and viruses are involved in the pathogenesis of diabetes. Nevertheless, the need for more investigations is required to understand the relationship between the microbes and disease development. This review deals with the underlying reasons of diabetes Type I and Type II especially with respect to the microbes in the body and the subsequent changes caused through them
Structural and optical behavior of thin films of protein (BSA)-Polyelectrolyte (PAA, PSS) complexes
No full textComparison of Different Supervisied Classifiers in Detection of Microaneurysms
No full textDiabetes is a rapidly increasing illness around the world. It can further cause diabetic rethinopathy(DR). If not treated properly it can make a person blind. Therefore a early detection system for (DR) is required which can be done by detecting abnormalities in eye known as microaneurysms. The main objective of this paper is to find out how different supervised classifiers responds to our morphological operation algorithm of detection of microaneurysms. The performances of the classifiers are examined by the images obtained from databse DIARETDB1 which also gives ground truths.
DOI: 10.17762/ijritcc2321-8169.160413
Study of the interaction of potassium ion channel protein with micelle by molecular dynamics simulation
No full text
