sape mullender

Presentation abstract

Living on Cloud 9 — Support for Dependable Services in the Cloud

Pictures of the Internet often depict a big cloud with wires coming out of it that connect to the machines connected to it.  This cloud was just an abstract communication medium.  The cloud will become much more than a network.  It will store data, it will manage mobile devices, it will make small computers with big computations to do look big, and much more.

Bell Labs Antwerp is looking far into the future to see how the integration of processing, storage and communication will shape the world in the 21st century.  We are especially concerned with predictable cloud processing and storage: systems that do not crash, servers that do not lose your data, that are available when you need them.

We will discuss how such dependable services can be constructed, how to deal with the massive scale of the internet, and how to manage mobility landing us all on Cloud 9.


Sape Mullender is Director of Network Systems in Alcatel-Lucent’s Bell Laboratories and a Professor of Computer Science at the University of Twente in the Netherlands.

He has worked extensively in operating systems, multimedia systems, wireless systems research and is now working on the integration of processing, communication and storage for the cloud and embedded computing.  He was a principal designer of the Amoeba distributed system, he led the European Union’s Pegasus project which resulted in the design of the Nemesis multimedia operating system and has contributed to the Plan 9 and Inferno operating systems.

He received his Ph.D.  from the Vrije Universiteit in Amsterdam and was a faculty member there until 1983.  From 1983 to 1990 he has been the head of the distributed systems and computer networks research group at the Centre of Mathematics and Computer Science (CWI) in Amsterdam.  From 1991 to 1998 he was a full professor in Twente; he now holds a chair there part time.  He started work at Bell Labs in 1998.

He has published papers on file systems, high-performance RPC protocols, locating migratable objects in computer networks, and protection mechanisms, and has been involved in the organization of a series of advanced courses on distributed systems — Arctic’88, Fingerlakes’89, Bologna’90, Karuizawa’91, Lisboa’92, and Redmond’93.

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