Standardization activities

• Co-chair of the IRTF Internet Congestion Control Research Group (ICCRG)
• Contributions to IETF (co-author of RFC 5783, RFC 6077 and RFC 6297; reviews, discussions, e.g. in DCCP, TCPM, TSVWG; minor contributions to some RFCs, cf. RFC 4340 and RFC 5690; several Internet-drafts; see publications for details)
• Contributions to OGF GHPN-RG (discussions, co-author of GFD.37, co-editor of GFD.55)

Conference / journal involvements

Misc roles

• Program Vice Chair on "Grid Networking", Grid 2010
• Steering committee member PFLDnet 2008-2010
• Panel organizer / panelist of PFLDnet 2009, panelist of PFLDnet 2010
• Technical PC co-chair of PFLDnet 2008
• Guest editor for special section on Networks for Grid Applications, Elsevier FGCS, 2007
• General co-chair and member of steering committee IEEE GridNets 2006, ACM SIGARCH GridNets 2007, ACM SIGARCH GridNets 2008
• Technical PC co-chair and local chair IEEE/IFIP WONS 2007 (Wireless On demand Network Systems and Services)
• Panelist IEEE/IFIP AGNM'05, AGNM'06, AGNM'07
• Deputy Chair WWW 2002 (Applications Track)

PC Member

• PAMS 2013, Globecom 2012 NGI Symposium, Infocom 2013, Capacity Sharing Workshop 2012, WoWMoM 2012, NETWORKING 2012, PAMS 2012, IEEE WCNC 2012, Infocom 2012, IEEE ICC 2012 NGN Symposium, P2P-NVE 2011, Med-Hoc-Net 2011, Globecom 2011 NGI Symposium, IEEE WCNC 2011, PAMS workshop at AINA 2011, Infocom 2011, Med-Hoc-Net 2010, IEEE WCNC 2010, IEEE Infocom 2010, P2P-NVE 2009, IFIP Med-Hoc-Net '09, GridNets 2009, P2P-NVE 2008, P2P 2008, iiWAS 2008, BroadNets 2008, WONS 2008, Fourth EuroNGI Workshop on Wireless and Mobility, P2P-NVE 2007, NSTools 2007, IEEE P2P 2007, PFLDnet 2007, IADIS WWW/Internet 2006, Workshop on Autonomic Grid Networking and Management AGNM06, NGNM 2006, WNS2 (workshop on ns-2, co-located with VALUETOOLS 2006), IASTED WTAS 2006, WEBIST 2006 (International Conference on Web Information Systems and Technologies), 1st IEEE/IFIP International Workshop on Autonomic Grid Networking and Management AGNM05, IADIS WWW/Internet 2005, Shadow PC of ACM SIGCOMM 2005, NGNM 2005, IASTED WTAS 2005, WEBIST 2005 (International Conference on Web Information Systems and Technologies), WEBSA 2004 Workshop (co-located with IEEE COMPSAC 2004), IADIS WWW/Internet 2004, IADIS WWW/Internet 2003, WWW 2003, WWW 2002, EurAsia ICT 2002

Session Chair

• PFLDnet 2010, PFLDnet 2009, Globecom 2008, GridNets 2008, GridNets 2007, PFLDnet 2007, IEEE/IFIP AGNM'05, IASTED PDCN 2004, IPCCC 2000

Reviewer

• EUNICE 2012, LANMAN 2010, Globecom 2009, ISWPC 2009, Infocom 2009, PerCom 2009, MSWiM 2008, NETWORKING 2007, IEEE ICC 2007, Third EuroNGI Workshop on Wireless and Mobility, ACM/IEEE MSWiM 2006, PERVASIVE 2006, EURO-PAR 2005, HiPC 2004, NGNM 2004 (co-located with Networking 2004), IEEE GLOBECOM 2004, ICPP 2004, IASTED PDCN 2004, DATE 2004, EURO-PAR 2003, INFOCOM 2003, WWW 2002, IEEE WCNC 2002, IEEE/ACM MASCOTS 2002, IEEE/ACM MASCOTS 2001, ACM MSWiM 2001, WWW 9

• Magazines / Journals: ACM TOMCCAP (2011), IEEE Communications Letters (2011), IEEE Transactions on Network and Service Management (2010), Multimedia Systems (2009), IEEE Transactions on Multimedia (2011,2009), European Transactions on Telecommunications (2011, 2009), EURASIP Journal on Wireless Communications and Networking (2008), IEEE Transactions on Wireless Communications (2008), IEEE JSAC (2008), IEEE Network Magazine, Elsevier Computer Networks (2011, 2010, 2008, 2007, 2006), IEEE Computer (2005), IEEE Communications Magazine (2010, 2003, 2000), Elsevier Computer Communications (2010, 2005, 2004, 2003), IEEE Multimedia, IEEE/ACM Transactions on Networking (2003, 2004, 2007), IEEE Transactions on Parallel and Distributed Systems (2007)

Other things

• Book proposal reviewer: John Wiley & Sons
• Research project proposal reviewer: Agence National Recherche (ANR) France, ÖAD (Austrian Academic Exchange Service)
• Member of proIT project proposal evaluation board for TransIT.