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We investigate a model for buffer management of multi-class traffic into a finite shared buffer. A hierarchy of increasingly stronger linear programming relaxations for this model is proposed. The number of hierarchies equals the number of job classes. Each relaxation in the hierarchy is constructed by projecting the original achievable performance region into a polytope with fewer variables and f
Abstract in UndeterminedIn today's technology generations, e.g. 90 and 65 nm, the static power consumption becomes a major contributor to the total power consumption. This paper focuses on the arithmetic level and shows a methodology for a substantial reduction of the static power consumption. Simulations are done in a typical 130 nm technology. Based on the simulation results, the static power in
Sweden is part of a small European minority in the perceived societal gain of PPP. After a pilot PPP project in late 1990’s no additional project has been started in Sweden. Although there is interest from both public infrastructure clients and construction companies the national government has very clearly stated that infrastructure projects should be procured in a traditional way where all fundi
The ATLAS Collaboration at CERN is preparing for the data taking and analysis at the LHC that will start in 2007. Therefore, a series of Data Challenges was started in 2002 whose goals are the validation of the Computing Model, of the complete software suite, of the data model, and to ensure the correctness of the technical choices to be made for the final offline computing environment. A major fe
How do small states approach their security problems? What types of strategic instruments exist for small states, and when and why are certain strategies chosen rather than others? The security of `weak' states is problematic, demanding trade-offs in the decisions made. Using 19th century Swedish security policy as an example, it is argued here that small states, in their pursuit of security and a
The notion of human rights is built on the fact that they are universal rights and thus applies to everyone without exceptions. Despite this irregular workers are denied their labour rights and their human rights due to the fact that they are living in a country unlawfully. The states use methods as regularizing irregular migrants or enabling tougher sanctions against irregular migration in order
Since the adoption of the Charter of the United Nations the pattern of conflict in the international arena has drastically changed. From largely being a scene for inter-state conflicts, internal conflicts have predominated the post-war era. The few international conflicts that the post-war world has witnessed have originated in civil conflicts. The principle of non-intervention implies the duty fo
In the spring of 2005, the Treaty Establishing a Constitution for Europe (CT) was rejected in French and Dutch referenda. The document, that was to lead the recently expanded European Union (EU) into the future, was instead put on pause for reflection. Why was there such fear and scepticism towards the CT? What was the CT really all about? In this analysis of the CT, I look at the CT from three le
Over the past decades, sustainable production and consumption pattern has been addressed on a global level. Business is a powerful stakeholder in the development of sustainable consumption and production systems as it represents a great proportion of competence, resources and mechanisms (Charter, Gray, Clark and Woolman, 2008). The global approach toward achieving sustainable production and consum
Dividing complex systems into smaller components that are easier for humans to comprehend and manage, is a wide spread method in software design. As systems grow more complex, the task of solving the different dependencies and constrictions of the various components in a system, and create a stable and valid composition naturally also gains complexity. Various tools have been constructed to manage
In the Swedish context Swedish language skills are considered to be a crucial factor for an individual's ability to establish him/herself in society as well as on the labour market. Despite this, the Swedish organisation Swedish for Immigrants (SFI) has been exposed to extensive critique: Not enough students manage to establish themselves on the labour market, but get trapped in SFI. The purpo
Classical music institutions are confronting declining attendance among younger and diverse audiences, fearing an aging visitor demographic. The LUDICH Project at Lund University, in collaboration with several industry partners, academic institutions, the Malmö Symphony Orchestra and their home concert hall of Malmö Live aims to address this challenge by investigating innovative digital solutions
The consumption of plant-based, food alternatives is increasing globally. Yet, the digestion of plant proteins is hindered by various antinutritional and external factors. Therefore, delving into the extent of plant protein digestibility in the human body becomes essential, alongside efforts to enhance this process. The main aim of this present work was to determine the digestibility of plant-base
