This paper is based upon the concept of improving the novel congestion control scheme in Wireless Sensor Network. In WSN Congestion is an important issue. Congestion occurs at the transport layer of the OSI model. The Novel Congestion Control Scheme proposed a rate-based Fairness-Aware Congestion Control Protocol (FACC), which controls congestion and achieves approximately fair bandwidth alloca...

In this paper, the performance of the extra stage Omega (ESO) networks based on wavelength division with limited number of buffers and wavelength converters was analyzed. Since the ESO networks suffer from the problem of internal blocking, therefore, the goal is to minimize the dropping probability by utilizing the available buffers and wavelength converters in the central controller of these n...

Distributed Denial-of-Service (DDoS) attacks are a critical threat to the Internet. This paper introduces a DDoS defense scheme that supports automated online attack characterizations and accurate attack packet discarding based on statistical processing. The key idea is to prioritize a packet based on a score which estimates its legitimacy given the attribute values it carries. Once the score o...

Providing fair service among TCP connections over the Internet without hampering resource utilization has recently become a major performance concern. With the rapid expansion of the Internet along with its increasingly diversified client base, the demand for a reasonably fair service is getting even stronger. To meet these requirements, congestion sensing is essential. Explicit Congestion Noti...

Optical Bursts Switching (OBS) is a relatively new optical switching paradigm. Contention and burst loss in OBS networks are major concerns. To resolve contentions, an interesting alternative to discarding the entire data burst is to partially drop the burst. Partial burst dropping is based on burst segmentation concept that its implementation is constrained by some technical challenges, beside...

Several studies concerning the performances of TCP over UBR service have shown that ATM switches with limited buuers respond to UBR congestion with a low throughput and high unfairness. In order to achieve a higher eeciency it is possible to implement some additional mechanism to control cells dropping at buuers switches. One of the most popular drop strategy is the Early Packet Discard, which ...

This paper discusses our design and implementation of Explicit Congestion Notification (ECN) for TCP on IPv6. The first part of the paper describes how ECN marks packets instead of dropping them to signal incipient congestion. Marking packets instead of dropping them carries a number of benefits, such as avoiding costly delays waiting for retransmissions timeouts or dropping packets on flows se...

1 Assistant Professor, Department of Computer science and Engineering, V.S.B Engineering College, Karur, Tamilnadu India ---------------------------------------------------------------------***--------------------------------------------------------------------Abstract : Data security and data protection against pollution attacks with resource efficiency are the major challenging tasks of netwo...