?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=A+Marketplace-based+Approach+to+Cloud+Network+Slice+Composition+Across+Multiple+Domains&rft.creator=Maciel%2C+PD&rft.creator=Verdi%2C+FL&rft.creator=Valsamas%2C+P&rft.creator=Sakellariou%2C+I&rft.creator=Mamatas%2C+L&rft.creator=Petridou%2C+S&rft.creator=Papadimitriou%2C+P&rft.creator=Moura%2C+D&rft.creator=Swapna%2C+AI&rft.creator=Pinheiro%2C+B&rft.creator=Clayman%2C+S&rft.description=Cloud+network+slicing+can+be+defined+as+the+process+that+enables+isolated+end-to-end+and+on-demand+networking+abstractions%2C+which%3A+(a)+contain+both+cloud+and+network+resources%2C+and+(b)+are+independently+controlled%2C+managed+and+orchestrated.+This+paper+contributes+to+the+vision+of+the+NECOS+project+and+relevant+platform%2C+that+aim+to+address+the+limitations+of+current+cloud+computing+infrastructures+to+accomplish+the+challenging+requirements+of+the+slicing+approach.+The+NECOS+platform+implements+the+Slice-as-a-Service+model%2C+enabling+the+dynamic+creation+of+end-to-end+(E2E)+slices+from+a+set+of+constituent+slice+parts+contributed+from+multiple+domains.+A+challenging+issue+is+to+define+the+facility+that+implements+dynamic+slice+resource+discovery%2C+aligned+to+the+requirements+of+the+slice+owner+or+tenant%2C+over+different+infrastructure+providers.+Here%2C+we+propose+a+Marketplace-based+approach+implementing+relevant+federated+interactions+for+the+resource+discovery+and+we+detail+its+architecture%2C+workflows%2C+and+information+model.+We+also+present+its+initial+implementation+details+and+provide+both+quantitative+and+qualitative+experimental+results+validating+its+main+operation.&rft.subject=Cloud+computing%2C+5G+mobile+communication%2C+Network+slicing%2C+Dynamic+scheduling%2C+Monitoring%2C+Computer+architecture%2C+Industries%2C+Cloud+Network+Slicing%2C+Slice-as-a-Service%2C+Slice+Resource+Discovery%2C+Marketplace&rft.publisher=IEEE&rft.date=2019-08-22&rft.type=Proceedings+paper&rft.language=eng&rft.source=+++++In%3A++Proceedings+of+the+2019+IEEE+Conference+on+Network+Softwarization+(NetSoft).++(pp.+pp.+480-488).++IEEE%3A+Paris%2C+France.+(2019)+++++&rft.format=text&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10084766%2F1%2Fmarketplace.pdf&rft.identifier=https%3A%2F%2Fdiscovery.ucl.ac.uk%2Fid%2Feprint%2F10084766%2F&rft.rights=open