Model-based planning for state-related changes to infrastructure and software as a service instances in large data centers

S Hagen, A Kemper - 2010 IEEE 3rd International Conference …, 2010 - ieeexplore.ieee.org
To deliver 3-tier applications as a Service in the Cloud state-related constraints crossing
Infrastructure-and Software as a Service boundaries need to be managed. By automating …

Efficient verification of IT change operations or: How we could have prevented Amazon's cloud outage

S Hagen, M Seibold, A Kemper - 2012 IEEE Network …, 2012 - ieeexplore.ieee.org
On April 21st, 2011, a major outage occurred in Amazon's US east coast data center which
led to significant disruptions on customer services. The root cause of the outage was an IT …

ChangeLedge: Change design and planning in networked systems based on reuse of knowledge and automation

WL da Costa Cordeiro, GS Machado, FG Andreis… - Computer Networks, 2009 - Elsevier
Proper management of Information Technology (IT) resources and services has become
imperative for the success of modern organizations. The IT Infrastructure Library (ITIL) …

Facing the unpredictable: Automated adaption of IT change plans for unpredictable management domains

S Hagen, A Kemper - 2010 International Conference on …, 2010 - ieeexplore.ieee.org
Change Management, a core process of the Information Technology Infrastructure Library
(ITIL), is concerned with the management of changes to IT infrastructure and services to …

On strategies for planning the assignment of human resources to it change activities

RC Lunardi, FG Andreis… - 2010 IEEE Network …, 2010 - ieeexplore.ieee.org
Planning is a fundamental sub-process of the overarching Information Technology (IT)
change management process, proposed by the Information Technology Infrastructure …

Planning in the large: Efficient generation of it change plans on large infrastructures

S Hagen, WL da Costa Cordeiro… - … on network and …, 2012 - ieeexplore.ieee.org
Change Management, a core process of the Information Technology Infrastructure Library
(ITIL), is concerned with the management of changes to networks and services to minimize …

Towards solid it change management: Automated detection of conflicting it change plans

S Hagen, A Kemper - 12th IFIP/IEEE International Symposium …, 2011 - ieeexplore.ieee.org
Change Management, a core process of the Information Technology Infrastructure Library
(ITIL), is concerned with the management of changes to networks and services to satisfy …

One is not enough: A hybrid approach for it change planning

S Hagen, N Edwards, L Wilcock, J Kirschnick… - … Management of Systems …, 2009 - Springer
We propose a novel hybrid planning approach for the automated generation of IT change
plans. The algorithm addresses an abstraction mismatch between refinement of tasks and …

Changeminer: A solution for discovering it change templates from past execution traces

WL da Costa Cordeiro, GS Machado… - 2009 IFIP/IEEE …, 2009 - ieeexplore.ieee.org
The main goal of change management is to ensure that standardized methods and
procedures are used for the efficient and prompt handling of changes in IT systems, in order …

A 3D thin nets extraction method for medical imaging

N Armande, P Montesinos… - Proceedings of 13th …, 1996 - ieeexplore.ieee.org
This paper presents a powerful tool designed to extract characteristic lines, called 3D thin
nets, from 3D volumetric images. 3D thin nets are the lines where the 3D grey level function …