Comparative Study Of Offset Time Schemes Over Optical Burst Switching (OBS)

Abstract

Penggunaan internet yang meluas dan berterusana menyebabkan kenaikan trafik dalam talian. Teknik Optical Burst Switching (OBS) boleh dikatakan sebagai penyelesaian kepada masalah trafik di dalam rangkaian internet. Namun demikian, terdapat beberapa isu dalam rangkaian OBS. Salah satu isunya adalah untuk meminimakan offset masa tunda dan untuk mengatasi masalah ini, terdapat banyak penyelidikan dilakukan menggunakan berbagai cara dan teknik. Laporan ini menyediakan penerangan mengenai skema yang telah digunakan disamping menghuraikan mengenai kelebihan dan kekurangan skema yang telah sedia ada. Kata kunci: OBS; offset time The dramatic and continuous use of the Internet has increased the network traffic that is needed to be transferred through the Internet network. Optical Burst Switching (OBS) has met the requirements of such demands and is considered as a solution of the issues present in Internet networks. However, there are still some issues in OBS network have not been solved. Minimizing offset time delay is one of these concerns and a lot of research has been introduced in order to solve this issue through using various ways or schemes. In this paper, a description of these schemes and their advantages and disadvantages is presented. Key words: OBS; offset time