1. J. Amudhavel, U. Prabu, P. Dhavachelvan, N. Moganarangan, V. Ravishankar, R. Baskaran, Non-homogeneous hidden Markov model approach for load balancing in web server farms (NH 2 M 2-WSF), in 2015 Global Conference on Communication Technologies (GCCT) (IEEE, 2015), pp. 843–845
2. Y. Azar, A. Broder, A. Karlin, E. Upfal, Balanced allocations. SIAM J. Comput. 29(1), 180–200 (1999)
3. N.D. Vvedenskaya, R.L. Dobrushin, F.I. Karpelevich, Queueing system with selection of the shortest of two queues: an asymptotic approach. Problemy Peredachi Informatsii 32(1), 20–34 (1996)
4. W. Winston, Optimality of the shortest line discipline. J. Appl. Probab. 14(1), 181–189 (1977)
5. D. Kristol, L. Montulli, HTTP state management mechanism”, RFC 2109, IETF (1997)