Mobile ad hoc networks (MANETs) is a collection of wireless moving nodes which communicate with each other and exchange data without any fixed base station or without the need of any kind of wired backbone network. These design characteristics make routing in wireless network a critical issue as routing protocols adopted in wireless network is completely different from wired network in which a ...

In the last ten years, many circuit-switched networks for voice have been replaced with packet-switched ones. Hence, simulating Voice over IP has become of paramount importance in assessing the performance of a network. However, a sound performance analysis should be carried out in conditions which are as close as possible to a real deployment. In this paper we present enhancements to ns2voip 6...

Due to rapid advancement in modern technology, one of the major concerns is the stability of business. The organizations depend on their systems to provide robust and faster processing of information for their operations. Efficient data centers are key sources to handle these operations. If the organization’s system is not fully functional, the performance of organization may be impaired or clo...

MANETs are ad hoc multi hop networks, formed of mobile battery chargeable devices and commonly used in emergency situations. With its dynamic topology and limited energy level they often come across with link breaks. This paper analyzes how energy consumption of the mobile devices and density of mobile nodes affects the performance of MANET. AODV and AOMDV are reactive routing protocols used in...

In Mobile Adhoc Networks (MANETs), routing attacks are considered as a serious issue. However, in the presence of malicious nodes, the networks are affected by various kinds of attacks. The malicious node(s) can attack a MANET in different ways, such as sending fake messages several times; fake routing information and advertising fake links to disrupt routing operations. Black hole attacks are ...

Multiprotocol Label Switching (MPLS) is a label based switching technique initiated by Internet Engineering Task Force to bring the speed of layer 2 switching to layer 3. Its label based switching technique allows routers to make the forwarding decision based on the contents of label instead of performing a complex route lookup table. Furthermore it allows explicit routing to overcome links and...

The family Flaviviridae contains three genera of positive-strand RNA viruses, namely, Flavivirus, Hepacivirus (e.g., hepatitis C virus [HCV]), and Pestivirus. Pestiviruses, like bovine viral diarrhea virus (BVDV), bear a striking degree of similarity to HCV concerning polyprotein organization, processing, and function. Along this line, in both systems, release of nonstructural protein 3 (NS3) i...

A mobile ad-hoc network (MANET) is collection of intercommunicating mobile hosts forming a spontaneous network without using established network infrastructure. Unlike the cellular or infrastructure networks who have a wired backbone connecting the base-station, the MANETs have neither fixed routers nor fixed locations. Their performance largely depend upon the routing mechanism & nature of mob...

This paper presents an add-on Class of Service (CoS) layer for wireless mesh networks. The proposed protocol is applicable for contention-based MACs and is therefore compatible with most of the Wireless Local Area Network (WLAN) and Wireless Sensor Network (WSN) protocols. The protocol has a locally centralized control for managing data flows, which either reserve a fixed bandwidth or are weigh...

Packet-pair receiver-driven cumulative Layer Multicast (PLM) and Fair Layer Increase Decrease with Dynamic Layering (FLID-DL) are two of the recently proposed receiver-driven layered multicast congestion control protocols improved from the famous layered multicast protocols (RLM and RLC). Both have been evaluated by their authors and claim a few advances for layered multicast congestion control...