Energy Efficiency in Extensive IP-Over-WDM Networks with Protection. - Andreas Betker; Dirk Kosiankowski; Christoph Lange 004; Frank Pfeuffer; Christian Raack; Axel Werner (OR, 2012)

Effect of load-proportional systems on the energy efficiency of fixed telecom operator networks. - Christoph Lange 004; Dirk Kosiankowski; Andreas Gladisch (ECOC, 2014)

Analysis of energy consumption in carrier networks. - Christoph Lange 004; Dirk Kosiankowski; Dirk von Hugo; Andreas Gladisch (ONDM, 2014)

Comprehensive Topology and Traffic Model of a Nationwide Telecommunication Network. - Andreas Betker; Inken Gamrath; Dirk Kosiankowski; Christoph Lange 004; Heiko Lehmann; Frank Pfeuffer; Felix Simon; Axel Werner (JOCN, 2014)

Use-case based cost and energy efficiency analysis of virtualization concepts in operator networks. - Christoph Lange 004; Dirk Kosiankowski; Andreas Gladisch (ECOC, 2015)

Analysis of the energy consumption in telecom operator networks. - Christoph Lange 004; Dirk Kosiankowski; Dirk von Hugo; Andreas Gladisch (Photonic Netw. Commun., 2015)

Access Network Economics: A Total-Cost-of-Ownership Perspective. - Christoph Lange 004; Dirk Kosiankowski; Sandro Kraus; Andreas Gladisch (OFC, 2018)