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IEEE/ACM Transactions on Networking (TON)
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SIGMETRICS '02 Proceedings of the 2002 ACM SIGMETRICS international conference on Measurement and modeling of computer systems
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SODA '03 Proceedings of the fourteenth annual ACM-SIAM symposium on Discrete algorithms
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Proceedings of the 2003 conference on Applications, technologies, architectures, and protocols for computer communications
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FOCS '01 Proceedings of the 42nd IEEE symposium on Foundations of Computer Science
BRITE: An Approach to Universal Topology Generation
MASCOTS '01 Proceedings of the Ninth International Symposium in Modeling, Analysis and Simulation of Computer and Telecommunication Systems
Power laws and the AS-level internet topology
IEEE/ACM Transactions on Networking (TON)
On the power-law random graph model of massive data networks
Performance Evaluation - Internet performance symposium (IPS 2002)
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BASE: an incrementally deployable mechanism for viable IP spoofing prevention
ASIACCS '07 Proceedings of the 2nd ACM symposium on Information, computer and communications security
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SSYM'05 Proceedings of the 14th conference on USENIX Security Symposium - Volume 14
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ACM SIGCOMM Computer Communication Review
Finding a dense-core in Jellyfish graphs
Computer Networks: The International Journal of Computer and Telecommunications Networking
Finding a dense-core in Jellyfish graphs
WAW'07 Proceedings of the 5th international conference on Algorithms and models for the web-graph
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ACACOS'11 Proceedings of the 10th WSEAS international conference on Applied computer and applied computational science
Assessing the vulnerability of the fiber infrastructure to disasters
IEEE/ACM Transactions on Networking (TON)
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The goal of this work is to model the peering arrangements between Autonomous Systems (ASes). Most existing models of the AS-graph assume an undirected graph. However, peering arrangements are mostly asymmetric customer-provider arrangements, which are better modeled as directed edges. Furthermore, it is well known that the AS-graph, and in particular its clustering structure, is influenced by geography. We introduce a new model that describes the AS-graph as a directed graph, with an edge going from the customer to the provider, but also models symmetric peer-to-peer arrangements, and takes geography into account. We are able to mathematically analyze its power-law exponent and number of leaves. Beyond the analysis, we have implemented our model as a synthetic network generator we call GdTang. Experimentation with GdTang shows that the networks it produces are more realistic than those generated by other network generators, in terms of its power-law exponent, fractions of customer-provider and symmetric peering arrangements, and the size of its dense core. We believe that our model is the first to manifest realistic regional dense cores that have a clear geographic flavor. Our synthetic networks also exhibit path inflation effects that are similar to those observed in the real AS graph.