1. Akhshabi, S., Dovrolis, C.: The evolution of layered protocol stacks leads to an hourglass-shaped architecture. SIGCOMM Comput. Commun. Rev. 41(4), 206–217 (2011)
2. Akhshabi, S., Sarda, S., Dovrolis, C., Yi, S.: An explanatory evo-devo model for the developmental hourglass. F1000Res. 3, 156 (2014)
3. Arthur, W.B.: The Nature of Technology: What It is and How It Evolves. Free Press, New York (2009)
4. Arthur, W.B., Polak, W.: The evolution of technology within a simple computer model. Complexity 11(5), 23–31 (2006)
5. Bakhshi, S., Dovrolis, C.: The price of evolution in incremental network design (the case of ring networks). In: Bio-Inspired Models of Networks, Information, and Computing Systems: 6th International ICST Conference, BIONETICS 2011, York, December 5–6, 2011, Revised Selected Papers, pp. 1–15. Springer, Berlin (2012)