During 2010–2011, Somani served as Ram Rajindra Malhotra Professor at Indian Institute of Technology.
Somani developed a generalized theory for system-level diagnosis [3] in the presence of an arbitrary fault set in a multi-computer system.
[7] The primary reason for the complexity is because these systems operate in multiple phases [8] [9] with different requirements and follow involute maintenance schedules.
[independent source needed] The Proteus design utilized universal interconnection topologies Enhanced Hypercube (EHC),[16] Generalized Folding Cube (GFC),[17] and Helical Binary-cube (HBC) [18] for embedding any arbitrary permutation routing requests in circuit switched mode.
Wavelength-division multiplexing (WDM)-based Fiber-optics form the basis of today backbone network and wavelength conversion is considered a performance improving concept.
His research also developed efficient algorithms for placement of converters and then focused on a practical and cost-effective solution leading to development of alternate architecture [20] that employs no wavelength conversion and uses multiple fiber with fewer wavelengths on each fiber.
Somani studied the error propagation characteristics due to transient faults in processor registers, logic, and cache memories [32] and developed low-overhead techniques to enhance system robustness.
[35][independent source needed] Most applications running under a given operating environment do not exert the critical path every cycle, leaving room for significant performance improvements that can be achieved through dynamically adjusting clock frequency at run time beyond worst case limits.