Enhancement of the data burst utilization with reduced burst loss and latency in optical burst switching network

Abstract

Optical burst switching (OBS) is a switching technique for future all-optical networks. In OBS, incoming IP packets are assembled into supersized packets called data bursts. Assembled bursts wait for an offset time newlinebefore being transmitted to their intended destinations. Offset time is used to newlineallow burst control packet reserve required resources prior to burst arrival. newlineBurst assembly process and offset-time create extra delay in OBS networks. newlineTo make OBS suitable for real time applications, this extra latency needs to newlinebe controlled.In this network, at the time of Burst Assembly scheme, the offsettime newlineof the burst, Burst Loss Rate (BLR) and the ratio of burst dropping are newlinenot considered which may sometimes suffer from contention. Thus to defeat newlinethese issues, here we proposed an approach known as Adaptive Burst newlineAssembly Algorithm for Reducing Burst Loss and Delay in OBS systems. In newlinethis method, the congestion for next interim is evaluated utilizing Linear newlinePrediction Filters. This evaluated congestion together with the offset timer newlineand burst length is then considered as one of the input for the fuzzy rational newlinescheme and the new burst length and resultant values are created as output. At newlinemain routers, the conflict is measured by taking into account the BLR as well newlineas utilizing the usage of links. After this process feedback is delivered to the newlineingress node. Thus depending on the estimated congestion, the current offset newlinetime, burst length as well as the burst timer are resolved and utilized for the newlinefollowing frame. Based on the simulation result, we demonstrate that the newlineproposed approach determines the conflict and it decreases the burst delay newline newline