IEEE Communication Surveys & Tutorials (COMST) is the major IEEE journal to publish timely overview articles with long term impact. Accordingly its impact factor is extremely high, ie. 29.830 (2019).
Prof. Kellerer is Area Editor "Network Virtualization" for IEEE COMST starting in January 2021.
Link to the journal: https://www.comsoc.org/publications/journals/ieee-comst