Paradigmenwechsel im Netz. Paradigm Shift in Networking

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1 Technische Universität München Lehrstuhl für Kommunikationsnetze Prof. Dr.-Ing. Wolfgang Kellerer Innovations-Kolloquium Netze im Wandel: Virtualisierung, Clouds, Security VDI VDE IT - 6. März 2013 Paradigmenwechsel im Netz Paradigm Shift in Networking Wolfgang Kellerer wolfgang.kellerer@tum.de

2 Paradigm Shift Internet: basic economic factor for industries across all disciplines of our information society new requirements Internet technology: too complex for changes, lacks proper resource management, scalability, flexibility, security, mobility, Need for dynamic control & management to support rapid innovation Virtualization of storage, serversand networks(cloud Computing, Cloud Networking) mechanism to manage resources more efficiently Software Defined Networking (SDN) describes an abstraction to cope with the complexity in a dynamic way Prof. Dr. Wolfgang Kellerer 2

3 Paradigm shift in Computing AppAppAppAppAppAppAppAppAppAppApp Applications Operating System Hardware Windows () Open Interface or Linux or Open Interface Microprocessor Mac Vertically integrated Closed, proprietary Slow innovation Small industry Horizontal Open interfaces Rapid innovation Huge industry From Nick McKeown, Stanford University, ACM SIGCOMM 2012

4 Can we do the same for networks? Control App AppAppAppAppAppAppAppAppAppApp s Control Plane Control Plane or Open Interface Control Plane or Open Interface Control Plane Hardware Merchant Switching Chips Vertically integrated Closed, proprietary Slow innovation Horizontal Open interfaces Rapid innovation From Nick McKeown, Stanford University, ACM SIGCOMM 2012

5 Software Defined Networking: A Paradigm Shift Abstraction interface in the network centralized control Network Custom Hardware Custom Hardware Custom Hardware Custom Hardware Custom Hardware From Nick McKeown, Stanford University

6 Opportunities Abstraction interface + Programmability = Innovation Software defined ICT systems: flexibility & sharing of cloud and network infrastructure platform for new applications programmability of networks by software means independence from HW vendors (US origin): need for clever control software new, multi-disciplinary software economy for fast innovation Customize networks: Introduction of new control architectures centralized control efficient operation: fault management, fast error recovery secure networking Allow sharing among application owners Prof. Dr. Wolfgang Kellerer 6

7 Main Players & Status SDN idea emerged from Stanford University Clean Slate program SDN concept is an evolutionany apporach to today s networks Research has started by telcos, clouds, vendors, academia globally Individual: DTAG, Google, NSN, ALU, Ericsson, DOCOMO, NEC, EU projects: OFELIA, OASE, RESERVOIR, SPARC, CHANGE, SAIL, BONFIRE, National projects: G-Lab, SASER Related experimental platforms: GENI, FIRE, G-Lab (@TUM) Programmability of networks by software means independence from HW vendors (US origin): need for clever control software Prof. Dr. Wolfgang Kellerer 7

8 Challenges Basic: What is the right abstraction level? Scalability - how to realize carrier grade software defined networks? Architectures? Advanced: Control features and scalability for application domains Optical networks, mobile operator networks Automobile networks and mobile clouds Smart grid infrastructure,... Dynamic network changes: embedding and re-embedding Security: How can we prevent misuse of critical infrastructure? Operations and Management (techno ecomonic aspects), Resilience Prof. Dr. Wolfgang Kellerer 8

9 Prof. Dr.-Ing. Wolfgang Kellerer Lehrstuhl für Kommunikationsnetze Technische Universität München Danke für Ihre Aufmerksamkeit! 9

10 Prof. Dr.-Ing. Wolfgang Kellerer : Promotion an der TUM 2001: Forschungsaufenthalt an der Stanford University, USA : DOCOMO Communication Labs Europe in München Forschungsinstitut des japanischen Netzbetreibers NTT DOCOMO Zuletzt: Leiter der Forschungsabteilung für Mobile Netze und Übertragungstechnik (ca. 30 Mitarbeiter) Forschung zu Grundlagen für zukünftige mobile Netze: Next Mobile Network 2020 Signalisierungssysteme und Dienstplattformen Peer-to-Peer Netze und Selbstorganisation Mobile Breitbandkommunikation und Future Internet Optische Netze und Fixed Mobile Convergence Standardisierung in IETF (RFC5631) und 3GPP (IMS, traffic mgmt./qoe) EU Projekte (EARTH, SAIL, METIS, ), BMBF G-Lab & SASER,... Kooperationen mit Universitäten und Industrie (NSN, ALU, E///, NEC, ) > 100 Publikationen > 40 Patentanmeldungen (25 erteilt) Seit Juli 2012: Professor an der TUM, Leiter Lehrstuhl für Kommunikationsnetze Mitglied in ITG/GI FA 6.4 (KuVS), Leiter ITG FG (Mobility), Senior member IEEE Prof. Dr.-Ing. Wolfgang Kellerer