نتایج جستجو برای: physical topology
تعداد نتایج: 727411 فیلتر نتایج به سال:
fab-less business model in semiconductor industry has led to serious concerns about trustworthy hardware. in untrusted foundries and manufacturing companies, submitted layout may be analyzed and reverse engineered to steal the information of a design or insert malicious trojans. understanding the netlist topology is the ultimate goal of the reverse engineering process. in this paper, we propose...
in this paper we investigate generalized topologies generated by a subbase ofpreorder relators and consider its application in the concept of the complement. we introducethe notion of principal generalized topologies obtained from the new type of open sets andstudy some of their important properties.
MPI standard offers a set of topology-aware interfaces that can be used to construct graph and Cartesian topologies for MPI applications. These interfaces have been mostly used for topology construction and not for performance improvement. To optimize the performance, in this paper we use graph embedding and node/network architecture discovery modules to match the communication topology of the ...
WDM optical networks represent the direction to the future high capaclty wide-area network applications. By creating the optical paths between several nodes in the core networks, logical topology can be created over the physical topology. The network can dynamically change its logical topology corresponding to the changing traffic conditions. In this paper we consider the method of logical topo...
Abstract In this paper we present optical communication multibus system including: physical topology, logical topology, structure of central control unit (CCU). We describe the task of CCU: analyze the state of logical buses, topology reconfiguration, system structures clustering, unexpected events handling, statistic gathering, etc. In this paper we present synthesis of core system network bas...
The Internet is unique. It is the most complex quasi-physical entity created by humans: we can’t completely model it, and we don’t fully understand its structure or its growth patterns [21]. As a result, hot research topics in the past several years include the empirical study of Internet topology, the construction of mathematical models of “Internet-like” topology [20, 1], problems in network ...
In this paper we address the problem of discovering network topology in proprietary networks. Namely, we investigate topology discovery in Cisco-based networks. Cisco devices run Cisco Discovery Protocol (CDP) which holds information about these devices. We first compare properties of topologies that can be obtained from networks deploying CDP versus Spanning Tree Protocol (STP) and Management ...
Infrastructure-as-a-Service (IaaS) providers need to offer richer services to be competitive while optimizing their resource usage to keep costs down. Richer service offerings include new resource request models involving bandwidth guarantees between virtual machines (VMs). Thus we consider the following problem: given a VM request graph (where nodes are VMs and edges represent virtual network ...
In this paper the problem of designing optimal logical topologies for WDM networks using the tabu search meta-heuristic has been considered. For a given physical topology and requests for data communication at specified rates between different pairs of nodes in the network, our objective is to obtain a logical topology, using the tabu search, to minimize the network congestion.
A system of di®erential forms will establish a topology and a topological structure on a domain of independent variables such that is possible to determine which maps or processes acting on the system are continuous. Perhaps the most simple topology is that generated by the existence of a single 1-form of Action, its Pfa® sequence of exterior di®erentials, and their intersections. In such a top...
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