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A Multi-Layer Approach for Improving the Scalability of Vehicular Ad-Hoc Networks
White Paper Inter-Vehicle Communication (IVC) and its diverse possibilities for telematics and on-line safety applications have led to great interest in both academia and industry. Especially the broadcast-based dissemination of automatically generated, local... [04 Aug 2008]
Analyzing Overheads and Scalability Characteristics of OpenMP Applications
White Paper Analyzing the scalability behavior and the overheads of Open-MP applications is an important step in the development process of scientific software. Unfortunately, few tools are available that allow an exact quantification of OpenMP related... [11 Jul 2008]
Optimized Routing Adaptation in IP Networks Utilizing OSPF and MPLS
White Paper In this paper routing adaptation methodologies are investigated, which utilize conventional routing protocols such as OSPF in combination with MPLS. While having the majority of traffic routed along optimized shortest paths, MPSL is only partly... [11 Jul 2008]
Virtual City Portal - A Multi-Network Personal Information System for Automobile Users
White Paper This paper describes the Virtual City Portal prototype that is developed within the SOFTNET project. The system allows automobile users to request information or communication services using different wireless access systems. [03 Jul 2008]
Development of a Service Discovery Architecture for the Bluetooth Radio System
White Paper Bluetooth 1.0 was published in 1999 as an industry standard for short-range wireless data and voice communication. Application profiles cover cordless telephony, wireless access to printers, fax machines or LANs, Personal Area Networking and more. [03 Jul 2008]
New Type Checking Rules for OCL Expressions
White Paper The Object Constraint Language OCL is an integral part of UML, the Unified Modeling Language standard. It has been added to Rational's UML core as a logic-based sublanguage for the definition of integrity constraints (invariants) on class diagrams... [03 Jul 2008]
Interoperation of Mobile IPv6 and Protocol Independent Multicast Dense Mode
White Paper This paper discusses different approaches of providing multicast traffic for mobile hosts. Mobile IPv6 is used for mobility support. The network employs Protocol Independent Multicast Dense Mode (PIM-DM) for multicast routing and Multicast Listener... [03 Jul 2008]
Deriving Configurations for Intrusion Detection From Firewall Rules
White Paper This is the user manual for the tool ipt2bro, which translates rules of an iptables firewall into policy scripts for the Intrusion Detection System (IDS) Bro. This paper explains how to configure the system correctly and how to handle the tool. [30 Jun 2008]
Network Intrusion Detection: Evasion, Traffic Normalization, and End-to-End Protocol Semantics
White Paper A fundamental problem for network intrusion detection systems is the ability of a skilled attacker to evade detection by exploiting ambiguities in the traffic stream as seen by the monitor. This paper discusses the viability of addressing this... [21 May 2008]
Allocation Problems in LargeScale Server Consolidation
White Paper Today's data centers offer many different IT services mostly hosted on dedicated physical servers. Virtualization provides a new technical means for server consolidation allowing for higher utilization of server capacities. [01 Mar 2008]
Dynamic Load Balancing of Virtualized Database Services Using Hints and Load Forecasting
White Paper Future database application systems will be designed as Service Oriented Architectures (SOAs), in contrast to today's monolithic architectures. The decomposition in many small services allows the usage of hardware clusters and a flexible service-to... [01 Mar 2008]
First-Class Support Service Contract Pays Off - Right Down to the Penny
White Paper A medium-size company such as Messe Munchen (much like a large company) is always making greater demands on its IT environment. In order to profit from first-class IT and a permanent staff that remains the same even while the IT environment is... [28 Sep 2007]
On the Impact of Beamforming on Interference in Wireless Mesh Networks
White Paper For a wireless mesh network with randomly placed devices, the paper analyzes the impact of beamforming on the statistics of the signal attenuation, interference, and SIR between devices. This paper shows that simple random direction beamforming... [25 Aug 2007]
Mobile Information Access
White Paper This paper deals with mobile software, its development and usage. In the beginning a tourist's vision is introduced. The following parts examine the current state of technology to realize this vision and expose parts which still have to be developed. [06 Jul 2007]
Comparison of the Architectures Sun ONE and Microsoft .NET
White Paper Nowadays services for the end user should adapt themselves in new situations. For the instantiation of a service a spontaneous network of the involved components must be built. Therefore all components should offer a location independent and open... [20 Jun 2007]
