نتایج جستجو برای: Survivability

تعداد نتایج: 3131  

Journal: :international journal of information science and management 0
m. keshtgary ph.d. , department of computer engineering shiraz university of technology, shiraz a. h. jahangir ph.d. , department of computer engineering sharif university of technology, tehran

society is growing increasingly dependent upon large-scale, highly distributed systems that operate in unbounded open network environments. unless safeguards are incorporated in the system, a failure of even a single component, e.g. a link or a node, can significantly impact the network performance and can cause highly expensive damages. the discipline of survivability attempts to ensure that n...

Journal: :JNW 2011
Chunlei Wang Liang Ming Jinjing Zhao Dongxia Wang

The survivability of network is of vital importance with respect to the normal operation of information infrastructure. The current research works in the area of network survivability generally aimed at the definitions and quantifications of specific survivability attributes or metrics for distinct network objects. Unfortunately, there is a lack of research concerning how to model, test and eva...

2001
S Dietrich

A process algebraic formulation using a weakened form of non-interference in which acceptable performance in the face of certain envelopes of attack/failures can be defined is proposed in [7]. This is presented in the process algebra CSP. Given the unbounded, dynamic nature of many of the systems of interest it may be necessary to use a dynamic calculus such as the pi-calculus or ambient-calculus.

Journal: :JNW 2012
Qingliang Wang LiFang Zhai Zheng-Tao Jiang Yunbing Hou

Research progress of network survivability during the last few years were briefly introduced, including definitions, methods, qualitative and quantitative survivability evaluation, etc. Technical measures of survivability were summarized. Cooperative survivability and further possible research problems were investigated. Based on the idea of machine learning, survivability information can be go...

Ahmad Makui Saeedeh Javanmardi

In the various fields of disaster management, choosing the best location for the Emergency Support & Supply Service Centers (ESSSCs) and the survivability of the network that provides the links between ESSSCs and their environment has a great role to be paid enough attention. This paper introduces a graph based model to measure the survivability of the linking's network. By values computed for ...

2000
Richard C. Linger Howard F. Lipson John McHugh Nancy R. Mead Carol A. Sledge

..................................................................................................................ix 1 Survivability and the System Life Cycle ........................................................1 2 Survivability Concepts ....................................................................................3 2.1 The New Network Paradigm: Organizational Integration ...............

2009
Matthew G. Richards David B. Stein

Multi-Attribute Tradespace Exploration (MATE) for Survivability is introduced as a general methodology for survivability analysis and demonstrated through an application to a satellite radar system. MATE for Survivability applies decision theory to the parametric modeling of thousands of design alternatives across representative distributions of disturbance environments. Survivability considera...

Journal: :IEEE Software 1999
Robert J. Ellison Richard C. Linger Thomas A. Longstaff Nancy R. Mead

Survivability is receiving increasing attention as a key property of critical systems. Survivability is the capability of a system to fulfill its mission, in a timely manner, in the presence of attacks, failures, or accidents. We present a method for analyzing survivability of distributed network systems and an example of its application. Survivability requires system capabilities for intrusion...

1998
Haizhuang Kang Clive Butler Qingping Yang

A new measure for survivability of military communication networks based upon topological structures is presented in this paper. The proposed measure can be used to evaluato and enhance the survivability of military communication networks, which is illustrated through case studies. The computer simulation results have shown that the new measure can well reflect the survivability of networks. It...

1996
Robert J. Ellison Richard C. Linger Thomas Longstaff Nancy R. Mead

Increasing societal dependency on critical infrastructure systems is driving emergence of a new category of requirements engineering that addresses survivability objectives. This paper presents a case study in survivability requirements analysis. Survivability is the capability of a system to fulfill its mission, in a timely manner, in the presence of attacks, failures, or accidents. The Surviv...

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