abstract: gridlock is an extreme traffic state where vehicle cannot move at all. this research studies the development of gridlock by theoretical and numerical analysis. it is shown that the development of gridlock can be divided into several stages. the core of the development is the evolution of congestion loop. a congestion loop is comprised of a number of consecutively connected spillover l...

In a multi-user production cluster there is no control over the intra-cluster communication patterns, which can cause unanticipated hot spots to occur in the cluster interconnect. In a multistage interconnect a common side effect of such a hot-spot is the roll-over of the saturation to other areas in the interconnect that were otherwise not in the direct path of the primary congested element. T...

Enabling communication between routers and end-points has long been sought after as an approach to congestion control in the Internet. However, the narrow-waist of TCP/IP has complicated the deployment of such protocols. We present Kick-Ass a mechanism that enables explicit rate congestion control protocols to be deployed within the TCP/IP stack. The key idea is to utilize packet lengths as a v...

accidents. To overcome this issue, Vehicular Ad Hoc Network (VANET) has come up with lot of novel ideas such as vehicular communication, navigation and traffic controlling. In this study, the main focus is on congestion control at the intersections which result from unclear ahead. For this purpose, a city lane and intersection model has been proposed to manage vehicle mobility. It shows the act...

Congestion in the Internet is a major cause of network performance degradation. The Generalized Window Advertising (GWA) scheme proposed in this paper is a new approach for enhancing the congestion control properties of TCP. GWA requires only minor modifications to the existing protocol stack and is completely backward compatible, allowing GWA-hosts to interact with non-GWA hosts without modifi...

With the lack of admission control and resource reservation mechanisms in the Internet, overload situations can only be avoided by having the end systems deploying congestion control schemes. That is, the end systems should adjust their transmission and reception behavior in accordance with the available network resources. This is generally achieved by adjusting the transmission behavior of a s...

In a real-world network, shared by several users, telehaptic applications involving delay-sensitive multimedia communication between remote locations demand distinct Quality of Service (QoS) guarantees for different media components. These QoS constraints pose a variety of challenges, especially when the network cross-traffic is unknown and time-varying. In this work, we propose an application ...

We present a new adaptive TCP protocol for the control of congestion in communication networks. The key innovative idea in our protocol is to combine results from Frobenius-Perron theory with online adaptation to realise a TCP variant that: (i) allocates the network pipe fairly amongst competing flows; (ii) coexists with other TCP variants; (iii) responds rapidly to changes in available bandwid...

Wireless mesh networks have unique characteristics such as the lossy nature of the communication medium, absence of a base station, etc and due to this, maintaining the performance of reliable transport protocols, such as TCP, over wireless mesh networks is a challenging problem. One of the reasons for poor performance of conventional TCP variants over WMN is that the congestion control mechani...

In wireless network communication mobile network communication has becomes very important. Manet is a temporary network that means nodes moves without any fixed infrastructure. In Manet nodes are generally communicated with each other over various wireless links and also changes network topologies due to nodes are movable. Routing is a problem in Manet because there is no router between source ...