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Community Structure and Geography Characteristic in Internet as Level

Author: LiuXiaoLiang
Tutor: WangLin
School: Xi'an University of Technology
Course: Circuits and Systems
Keywords: Autonomous systems Complex networks Community discovery Database PowerBuilder
CLC: TP393.4
Type: Master's thesis
Year: 2008
Downloads: 102
Quote: 1
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The Internet is a huge , complex , a collection of open network , the macro level which consists of thousands of autonomous systems ( Autonomy System , referred to as AS) composed of these autonomous systems interconnect with each other through a dedicated line or public network access points , the route between Notice and pass a decision by the inter-Domain Routing protocol border Gateway Protocol (BGP) routing . BGP protocol allows each autonomous system to use its own policy declaration and receive routing , choose the best route . Connections between different autonomous system of autonomous system topology performance and input - output strategy , especially since the commercialization of commercial contractual relationship between the management domain has become the most important factors that determine the routing policy . Thus , the relationship between the AS is an important aspect of the Internet topology , from which you can examine the connection between networks of different management departments and operations, and to provide a basis for optimizing the network structure and network access ; simultaneously the AS attribute information is important network resources , to grasp its national network management and network maintenance has far-reaching significance . This paper first introduces the significance of the relationship between the basic concepts of the Internet AS layer , as well as research autonomous system , we have adopted the University of Oregon , USA the caida project using the skitter tool the AS connection data posted on the Internet , pretreatment linux system , then communities in a complex network discovery algorithm - Internet AS layer network based on the the Laplace matrices traditional spectral bisection method societies divided ; the AS attribute information SQL database designed to collect online AS attribute information , and on this basis the use of the PowerBuilder OLE technology programming the the AS attribute information query processing system , divided into good societies are processed through this system of geographical attribute information for each community AS , final draw through the origin latitude and longitude coordinates of the geographical features of the map AS Societies study described .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer applications > Computer network > Internet
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