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University of Stuttgart
(21 results)-
White Papers
Runtime Prediction of Service Level Agreement Violations for Composite Services
October 15, 2009, 12:00am PDT
SLAs are contractually binding agreements between service providers and consumers, mandating concrete numerical target values which the service needs to achieve. For service providers, it is...
Provided by University of Stuttgart
-
White Papers
Functional Interface for Universal Access to Ethernet-Based Field Bus Protocols
February 7, 2009, 12:00am PST
Today's field bus systems for connecting automation components in and between machines and units have a very high performance in regard to their transmission rate and realtime capability....
Provided by University of Stuttgart
-
White Papers
Web Services and Processing Pipelines in HLT: Tool Evaluation, LR Production and Validation
May 17, 2010, 12:00am PDT
At the end of 2009 the review of a number of available Web services implementing linguistic processing chains was prepared as part of Common Language Resources and Technology Infrastructure...
Provided by University of Stuttgart
-
White Papers
Constraints and Triggers to Enhance XML-Based Data Integration Systems
April 27, 2009, 12:00am PDT
XML is becoming one of the main technological integredients of the Internet. It is now accepted as the standard for information exchange. XML-based data integration system, which enables sharing...
Provided by University of Stuttgart
-
White Papers
A Component-Based Simulation Model and Its Implementation of a Switched Ethernet Network
September 28, 2009, 12:00am PDT
Today, Ethernet is the most widely used Local Area Networking (LAN) technology. Apart from LAN installations, Ethernet became also attractive for other application areas, ranging from...
Provided by University of Stuttgart
-
White Papers
Business Intelligence In The Cloud?
June 25, 2010, 12:00am PDT
Business Intelligence (BI) deals with integrated approaches to management support. In many cases, the integrated infrastructures that are subject to BI have become complex, costly, and inflexible....
Provided by University of Stuttgart
-
White Papers
Web Service Choreography Configurations for BPMN
September 5, 2007, 12:00am PDT
The Business Process Modeling Notation (BPMN) and the Business Process Execution Language (BPEL) are the de-facto standards for process modeling and implementation. While BPMN allows defining...
Provided by University of Stuttgart
-
White Papers
Cost-Optimal Outsourcing of Applications Into the Clouds
October 6, 2010, 12:00am PDT
Commercial services for provisioning software components and virtual infrastructure in the cloud are emerging. For customers, this creates a multitude of possibilities for outsourcing part of the...
Provided by University of Stuttgart
-
White Papers
Modeling and Performance Evaluation of iSCSI Storage Area Networks Over TCP/IP-Based MAN and WAN Networks
August 22, 2007, 12:00am PDT
This paper provides a concise modeling and performance evaluation of the iSCSI Storage Area Network (SAN) architecture and protocol. SANs play a key role in business continuity, enterprise-wide...
Provided by University of Stuttgart
-
White Papers
A Graph-Based Scheme for Distributed Interference Coordination in Cellular OFDMA Networks
May 3, 2009, 12:00am PDT
Wireless systems based on Orthogonal Frequency Division Multiple Access (OFDMA) multiplex different users in time and frequency. One of the main problems in OFDMA-systems is the inter-cell...
Provided by University of Stuttgart
-
White Papers
Optical Burst Transport Network (OBTN) - A Novel Architecture for Efficient Transport of Optical Burst Data Over Lambda Grids
January 1, 2008, 12:00am PST
This paper presents a novel network architecture, called Optical Burst Transport Network (OBTN), which can efficiently transport burst data over a virtual topology and reduce the port count of...
Provided by University of Stuttgart
-
White Papers
Towards Management of SLA-Aware Business Processes Based on Key Performance Indicators
April 8, 2008, 12:00am PDT
It is increasingly important that Service Level Agreements (SLAs) are taken into account when business processes are exposed as services in a Service Oriented Architecture. SLAs define expected...
Provided by University of Stuttgart
-
White Papers
Development of a Low-Cost Sensor System for Use on Gyrocopters
June 2, 2010, 12:00am PDT
Direct georeferencing of airborne imaging sensors with high precision GNSS and inertial technology is an established practice used in numerous aerial survey mapping projects nowadays. Those...
Provided by University of Stuttgart
-
White Papers
Inter-Site Joint Detection With Reduced Backhaul Capacity Requirements for the 3GPP LTE Uplink
May 25, 2010, 12:00am PDT
Cellular networks operating with a frequency reuse factor of one are often interference-limited. For that reason, Base Station (BS) cooperation techniques aiming at mitigating the effects of...
Provided by University of Stuttgart
-
White Papers
Cooperative Interference-Aware Joint Scheduling for the 3GPP LTE Uplink
June 9, 2010, 12:00am PDT
In current cellular networks Base Stations (BSs) usually perform independent scheduling without coordinating the resource allocation among different cells. This, however, often leads to high...
Provided by University of Stuttgart
-
White Papers
Performance of the LTE Uplink With Intra-Site Joint Detection and Joint Link Adaptation
January 26, 2010, 12:00am PST
The authors evaluate the performance of the uplink of a 3GPP UTRAN Long Term Evolution (LTE) system with intra-site cooperation, where different sectors belonging to the same site may cooperate...
Provided by University of Stuttgart
-
White Papers
Cooperative Interference Prediction for Enhanced Link Adaptation in the 3GPP LTE Uplink
January 27, 2010, 12:00am PST
The interference situation in the uplink of cellular networks, such as the 3GPP UTRAN Long Term Evolution (LTE), is usually highly volatile since from one transmission time interval to the other...
Provided by University of Stuttgart
-
Whitepapers
Proposal of an IC 1004 Reference Simulation Environment
October 21, 2011, 12:00am PDT
The increasing complexity in nowadays networks enforces the need for automation and a better understanding of radio network modeling. To ensure comparability of simulation results the authors...
Provided by University of Stuttgart
-
Whitepapers
Design and Evaluation of an Architecture for Ubiquitous User Authentication Based on Identity Management Systems
December 20, 2011, 12:00am PST
Now-a-days, users consume digital services with their digital identities on a multitude of different devices, e.g. notebooks, Smartphone or even TV sets. Hereby, users are faced with additional...
Provided by University of Stuttgart
-
Whitepapers
DynFire: Dynamic Firewalling in Heterogeneous Environments
March 26, 2012, 12:00am PDT
This paper presents "Dyn-Fire," a novel approach for the role-based, dynamic control of network firewalls. Dyn-Fire allows an individually controlled, secure access to the IT resources of a large...
Provided by University of Stuttgart
-
White Papers
Real-Time Visualisation of Urban Landscapes Using Open-Source Software
January 1, 2008, 12:00am PST
This paper presents the results of the project GISMO, which aimed on generating and interactively visualising a 3D urban landscape model of the city of Stuttgart, Germany. With respect to the...
Provided by University of Stuttgart
-
Whitepapers
DynFire: Dynamic Firewalling in Heterogeneous Environments
March 26, 2012, 12:00am PDT
This paper presents "Dyn-Fire," a novel approach for the role-based, dynamic control of network firewalls. Dyn-Fire allows an individually controlled, secure access to the IT resources of a large...
Provided by University of Stuttgart
-
Whitepapers
Design and Evaluation of an Architecture for Ubiquitous User Authentication Based on Identity Management Systems
December 20, 2011, 12:00am PST
Now-a-days, users consume digital services with their digital identities on a multitude of different devices, e.g. notebooks, Smartphone or even TV sets. Hereby, users are faced with additional...
Provided by University of Stuttgart
-
Whitepapers
Proposal of an IC 1004 Reference Simulation Environment
October 21, 2011, 12:00am PDT
The increasing complexity in nowadays networks enforces the need for automation and a better understanding of radio network modeling. To ensure comparability of simulation results the authors...
Provided by University of Stuttgart
-
White Papers
Cooperative Interference Prediction for Enhanced Link Adaptation in the 3GPP LTE Uplink
January 27, 2010, 12:00am PST
The interference situation in the uplink of cellular networks, such as the 3GPP UTRAN Long Term Evolution (LTE), is usually highly volatile since from one transmission time interval to the other...
Provided by University of Stuttgart
-
White Papers
Performance of the LTE Uplink With Intra-Site Joint Detection and Joint Link Adaptation
January 26, 2010, 12:00am PST
The authors evaluate the performance of the uplink of a 3GPP UTRAN Long Term Evolution (LTE) system with intra-site cooperation, where different sectors belonging to the same site may cooperate...
Provided by University of Stuttgart
-
White Papers
Cooperative Interference-Aware Joint Scheduling for the 3GPP LTE Uplink
June 9, 2010, 12:00am PDT
In current cellular networks Base Stations (BSs) usually perform independent scheduling without coordinating the resource allocation among different cells. This, however, often leads to high...
Provided by University of Stuttgart
-
White Papers
Inter-Site Joint Detection With Reduced Backhaul Capacity Requirements for the 3GPP LTE Uplink
May 25, 2010, 12:00am PDT
Cellular networks operating with a frequency reuse factor of one are often interference-limited. For that reason, Base Station (BS) cooperation techniques aiming at mitigating the effects of...
Provided by University of Stuttgart
-
White Papers
Development of a Low-Cost Sensor System for Use on Gyrocopters
June 2, 2010, 12:00am PDT
Direct georeferencing of airborne imaging sensors with high precision GNSS and inertial technology is an established practice used in numerous aerial survey mapping projects nowadays. Those...
Provided by University of Stuttgart
-
White Papers
A Graph-Based Scheme for Distributed Interference Coordination in Cellular OFDMA Networks
May 3, 2009, 12:00am PDT
Wireless systems based on Orthogonal Frequency Division Multiple Access (OFDMA) multiplex different users in time and frequency. One of the main problems in OFDMA-systems is the inter-cell...
Provided by University of Stuttgart
-
White Papers
Cost-Optimal Outsourcing of Applications Into the Clouds
October 6, 2010, 12:00am PDT
Commercial services for provisioning software components and virtual infrastructure in the cloud are emerging. For customers, this creates a multitude of possibilities for outsourcing part of the...
Provided by University of Stuttgart
-
White Papers
Web Service Choreography Configurations for BPMN
September 5, 2007, 12:00am PDT
The Business Process Modeling Notation (BPMN) and the Business Process Execution Language (BPEL) are the de-facto standards for process modeling and implementation. While BPMN allows defining...
Provided by University of Stuttgart
-
White Papers
Business Intelligence In The Cloud?
June 25, 2010, 12:00am PDT
Business Intelligence (BI) deals with integrated approaches to management support. In many cases, the integrated infrastructures that are subject to BI have become complex, costly, and inflexible....
Provided by University of Stuttgart
-
White Papers
A Component-Based Simulation Model and Its Implementation of a Switched Ethernet Network
September 28, 2009, 12:00am PDT
Today, Ethernet is the most widely used Local Area Networking (LAN) technology. Apart from LAN installations, Ethernet became also attractive for other application areas, ranging from...
Provided by University of Stuttgart
-
White Papers
Constraints and Triggers to Enhance XML-Based Data Integration Systems
April 27, 2009, 12:00am PDT
XML is becoming one of the main technological integredients of the Internet. It is now accepted as the standard for information exchange. XML-based data integration system, which enables sharing...
Provided by University of Stuttgart
-
White Papers
Web Services and Processing Pipelines in HLT: Tool Evaluation, LR Production and Validation
May 17, 2010, 12:00am PDT
At the end of 2009 the review of a number of available Web services implementing linguistic processing chains was prepared as part of Common Language Resources and Technology Infrastructure...
Provided by University of Stuttgart
-
White Papers
Functional Interface for Universal Access to Ethernet-Based Field Bus Protocols
February 7, 2009, 12:00am PST
Today's field bus systems for connecting automation components in and between machines and units have a very high performance in regard to their transmission rate and realtime capability....
Provided by University of Stuttgart
-
White Papers
Runtime Prediction of Service Level Agreement Violations for Composite Services
October 15, 2009, 12:00am PDT
SLAs are contractually binding agreements between service providers and consumers, mandating concrete numerical target values which the service needs to achieve. For service providers, it is...
Provided by University of Stuttgart
-
White Papers
Real-Time Visualisation of Urban Landscapes Using Open-Source Software
January 1, 2008, 12:00am PST
This paper presents the results of the project GISMO, which aimed on generating and interactively visualising a 3D urban landscape model of the city of Stuttgart, Germany. With respect to the...
Provided by University of Stuttgart
-
White Papers
Towards Management of SLA-Aware Business Processes Based on Key Performance Indicators
April 8, 2008, 12:00am PDT
It is increasingly important that Service Level Agreements (SLAs) are taken into account when business processes are exposed as services in a Service Oriented Architecture. SLAs define expected...
Provided by University of Stuttgart
-
White Papers
Optical Burst Transport Network (OBTN) - A Novel Architecture for Efficient Transport of Optical Burst Data Over Lambda Grids
January 1, 2008, 12:00am PST
This paper presents a novel network architecture, called Optical Burst Transport Network (OBTN), which can efficiently transport burst data over a virtual topology and reduce the port count of...
Provided by University of Stuttgart
-
White Papers
Modeling and Performance Evaluation of iSCSI Storage Area Networks Over TCP/IP-Based MAN and WAN Networks
August 22, 2007, 12:00am PDT
This paper provides a concise modeling and performance evaluation of the iSCSI Storage Area Network (SAN) architecture and protocol. SANs play a key role in business continuity, enterprise-wide...
Provided by University of Stuttgart
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