BITS Faculty Publications

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    Estimation of Optimal Buffering parameters for dynamic traffic intensity and its Architectures
    (2005) Chaubey, V.K.
    In this paper, we have undertaken the mathematical formulation for determining the required buffering time based on the traffic intensity on an all-optical network. The effect of design parameters on optical network containing proper buffer and control circuitry has been evaluated. Some of the buffering architectures have been suggested to provide different buffering times as governed by the diurnal traffic requirements
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    A novel electronic device for high speed WDM optical network operations capable of intelligent routing based on simulated electrical network approach
    (Elsevier, 2005-04) Chaubey, V.K.
    In this paper, we propose the design of an electronic circuit that maps the whole optical system into the electronic domain and helps in intelligent routing by using simulated electrical network approach (SENA) method. The losses of a linear optical network due to the losses in propagation over the wavelengths and related optical components are modeled as resistances in order to simulate an equivalent electrical network. The concept used in SENA is that current flows in the path of least resistance, which provides a simulation tool to evaluate the optical path with a minimum loss. The developed model has been used to implement an intelligent routing algorithm to find the optimal path without going for time-consuming recursive algorithms for evaluating all possible path combinations. A novel modeling method incorporating some logic control circuitry and memory has been developed to achieve the best optimized path in WDM network
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    Performance evaluation of an intelligent routed WDM mesh network: An analytical approach
    (IEEE, 2007-04) Chaubey, V.K.
    This paper presents an analytical model of an optical mesh network capable of handling WDM traffic intelligently. The router is modeled as a processor to read the instructions in the header of the packet to implement the required algorithm adopting standard queuing concepts. Packet stacking, switching, or routing performance deliberately depends on packet size, node architecture and network parameters. The numerical result shows a huge data transmission through the router with a least dependence on the routing time up to a significant data rate and thus provides a significant improvement in call connection probability.
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    Modeling and simulation of all optical intelligent routed networks under traffic control protocols
    (Elsevier, 2009-03) Chaubey, V.K.
    A proper node architecture design capable to support different network protocol enhances the data transport capability of a wavelength division multiplexed system. In the present paper a simple node architecture model has been developed to simulate the node throughput based on media access control protocols for bursty data traffic of variable time slot duration and data rate. An appropriate mathematical model has been derived to evaluate different types of traffic reservation protocols used in WDM networks. It has been observed that the network performance is well controlled through implemented protocols and network design parameters
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    Modeling and simulation of WDM optical networks under traffic control protocols
    (Elsevier, 2009-03) Chaubey, V.K.
    A proper node architecture design capable to support different network protocol enhances the data transport capability of a wavelength division multiplexed system. In the present paper a simple node architecture model has been developed to simulate the node throughput based on media access control protocols for bursty data traffic of variable time slot duration and data rate. An appropriate mathematical model has been derived to evaluate different types of traffic reservation protocols used in WDM networks. It has been observed that the network performance is well controlled through implemented protocols and network design parameters.