Scientific Seminars and Workshops

Design Patterns.

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Semi-interactive session on integration.

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Advanced Software Development & Engineering - Design Block.

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Debugging Techniques.

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Consuming, Providing & Publishing Web Services.

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Advanced Issues and Future Trends.

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Code Reviews Best Practices.

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Introduction to Web Services.

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This lecture will give some insight into how the Microprocessor Design Group approaches the daunting task of the design of a lead microprocessor as complex as the Pentium IV while under very specific schedule constraints. For a historical perspective, we will start with a quick comparison of the complexity/performance of the Willamette and Prescott (Pentium IV) class of microprocessor with the generations before the Pentium IV (Bob was a member of the design teams for a number of lead microprocessor projects including the 486DX2, Pentium Pr.

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Computer security has been an increasing concern for IT professionals for a number of years, yet despite all the efforts, computer systems and networks remain highly vulnerable to attacks of different kinds. Design flaws and security bugs in the underlying software are among the main reasons for this. This lecture addresses the following question: how to create secure software? The lecture starts with a definition of computer security and an explanation of why it is so difficult to achieve. It then introduces the main security principles (like least-privilege, or defense-in-depth) and discusses security in different phases of the software development cycle. The emphasis is put on the implementation part: most common pitfalls and security bugs are listed, followed by advice on best practice for security development. The last part of the lecture covers some miscellaneous issues like the use of cryptography, rules for networking applications, and social engineering threats. This lecture was first given on Thursday, February 24th, 2005 at the Inverted CERN School of Computing 2005. Bibliography and further reading are available at http://cern.ch/Sebastian.Lopienski/Security.

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In distributed computing environments, performance is often dominated by the time that it takes to move data over a network. In the case of data-centric applications, or Data Grids, this problem of data movement becomes one of the overriding concerns. This talk describes techniques for improving data movement in Grid environments that we refer to as 'logistics.' We demonstrate that by using storage and cooperative forwarding 'in' the network, we can improve end to end throughput in many cases. Our approach offers clear performance benefits for high-bandwidth, high-latency networks. This talk will introduce the Logistical Session Layer (LSL) and provide experimental results from that system..

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Low density plasmas have long been of interest as a potential medium for particle acceleration since relativistic plasma waves are capable of supporting electric fields greater than 100 GeV/m. The physics of particle acceleration using plasmas will be reviewed, and new results will be discussed which have demonstrated that relatively narrow energy spread (<3%) beams having energies greater than 100 MeV can be produced from femtosecond laser plasma interactions. Future experiments and potential applications will also be discussed..

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