There is danger in coming to important conclusions based on averages, as insights into
spread are not provided by this single measure. When promises are made about availability …

We present a collection of studies related to the availability of service in mesh-restorable
trans port networks. The issue of service availability in transport networks is of increasing …

What do backhoes, sharks, fires, software, floods, hurricanes and train derailments have in
common? They all can make communication networks fail. Today, the cut of a thumb-sized …

Non-availability incidents in public telecom services may have a wide-spread impact, such
as disruption of internet services, mobile services, and land-line communication. This, in …

Critical infrastructures such as wireless network systems demand dependability.
Dependability attributes addressed in this thesis include availability, reliability …

Szczególny czas, w jakim żyjemy, początek trzeciego tysiąclecia ery nowożytnej,
niewątpliwie zapisze się w historii jako okres przełomowy. Właśnie tu i teraz, dosłownie w tej …

There are a lot of people who helped me over the last few years, not only with the research
and writing for this thesis, but also in a more general sense by encouraging my ongoing …

Malicious acts aimed directly against humans, or indirectly at their critical infrastructures is a
real and present danger. However, how does society quantify danger levels? And is danger …

Robustness has always been one of the most important requirements in the design of the
Internet infrastructure. This dissertation takes two directions toward enhancing the …

The purpose of this thesis is to identify reliability, survivability, and causality differences in
Signaling System No. 7 (SS7) outages before and after 9-11. This research addresses …