Transport API Extensions for the Interconnection of Multiple NFV Infrastructure Points of Presence. - Ricard Vilalta; Arturo Mayoral Lopez-de-Lerma; Víctor López 001; Konrad Mrówka; Rafal Szwedowski; Stephan Neidlinger; Antonio Felix; Zdravko Stevkovski; Lubo Tancevski; Ajay Singh; Ricardo Martínez 001; Ramon Casellas; et al. (OFC, 2019)