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Title: End-to-end service survivability under attacks on networks, Journal of Telecommunications and Information Technology, 2006, nr 3

Creator:

Rak, Jacek ; Molisz, Wojciech

Date:

2006, nr 3

Resource Type:

artykuł

Description:

Network survivability is a capability of a networked system to provide its services despite failures or attacks. Attacks, e.g., due to acts of war, being potentially damaging events, were basically considered in the historical definitions of a survivability phenomenon. The meaning of the term: ”network survivability” evolved in the last decade. Recently, attacks replayed the important role again. Their nature, however, including intrusions, probes, denials of service, differs from the old one. Survivability is strongly related to other fields of study. In particular, quality of service depends on network survivability. We investigate these dependencies in scale-free networks. Many networks are scale-free, i.e., their node degree distribution follows the power law. Nodes of the highest degrees, called centers, are highly vulnerable to attacks. Elimination of these nodes seriously degrades the overall performance of network services. In this paper we propose a model, which, based on traffic parameters of a demand, like delay or bit rate, allows to establish the survivable and attack proof end-to-end connections. The key idea of this model is that for the significant traffic, it establishes paths, which omit centers. The important connections become more resistant to attacks. We show that in the best case, obtained for the highest class of service, the number of broken connections is reduced even by factor 3. Example results are compared to those for the standard distance metrics. Our model is applicable to many network architectures and many classes of service.

Publisher:

Instytut Łączności - Państwowy Instytut Badawczy, Warszawa

Format:

application/pdf

Resource Identifier:

oai:bc.itl.waw.pl:338

DOI:

10.26636/jtit.2006.3.383

ISSN:

1509-4553

eISSN:

1899-8852

Source:

Journal of Telecommunications and Information Technology

Language:

ang

Rights Management:

Biblioteka Naukowa Instytutu Łączności

Subject and keywords:

resource allocation survivable data networks attacks on networks routing scale-free networks

Object collections:

Last modified:

Jun 20, 2024

In our library since:

Feb 25, 2010

Number of object content hits:

302

All available object's versions:

https://bc.itl.waw.pl/publication/386

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Edition name Date
Molisz, Wojciech; Rak, Jacek, End-to-end service survivability under attacks on networks, Journal of Telecommunications and Information Technology, 2006, nr 3 Jun 20, 2024

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