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Topic: Mesh topology

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CGTalk - A solid base topology I've also been looking at multiresolution mesh/mesh density reduction algorithms that retain topology (there are some interesting methods that achieve quite a bit better results than blenders current implementation - I seem to recall mention of a python script that does a better job, also there is a simple multiresolution implementation in the cal3d exporter...). We believe that the new mesh is largely up to the task, but we would greatly appreciate feedback from the thoughtful individuals who frequent this forum. I believe there are plans for a low res version of the mesh as well though. forums.cgsociety.org /showthread.php?t=196100   (1186 words)

mesh network - a Whatis.com definition A mesh network is a local area network (LAN) that employs one of two connection arrangements, full mesh topology or partial mesh topology. In the partial mesh topology, some nodes are connected to all the others, but some of the nodes are connected only to those other nodes with which they exchange the most data. In the full mesh topology, each node (workstation or other device) is connected directly to each of the others. searchnetworking.techtarget.com /sDefinition/0,,sid7_gci870763,00.html   (273 words)

Network Topologies A Mesh topology consists of a network where every device on the network is physically connected to every other device on the network. For example, a three or four node mesh network is relatively easy to create, whereas it is impractical to set up a mesh network of 100 nodes -- the number of interconnections would be so ungainly and expensive that it would not be worth the effort. For example, Ethernet networks can be laid out in a Bus, Star, or Tree topology, or any combination of the three. www.delmar.edu /Courses/ITNW2313/network.htm   (468 words)

Adapting Sorting Algorithms for Routing AGVs on a Mesh-like Path Topology - Qiu, Hsu (ResearchIndex) Scheduling of AGVs in a Mesh-like Path Topology (II): a Case Study.. The path topology is an nn mesh, where n denotes the number of rows (or columns) as in This paper proposes to adapt parallel sorting/message routing algorithms to route AGVs on mesh-like path topologies. citeseer.ist.psu.edu /qiu00adapting.html   (473 words)

SNHC FAQ Successive meshes, which do not change topology over a certain period, are arranged in Groups-of-Meshes (GOMs) with each group consisting of an I‑mesh with vertices and connectivity and a number of P‑meshes with vertices only. Similar to video sequences, a mesh sequence consists of a number of meshes at each time instance. When a 2D implicit mesh is used, when should the decoder perform Delaunay triangulation? www.chiariglione.org /mpeg/faq/mp4-snh/mp4-snh.htm   (473 words)

ECN Asia : Electronic Component & Product Information The choice of the appropriate short-range mesh topology depends on the amount and frequency of the data to be transmitted, transmission distance, battery life requirements and the mobility and level of change in the sensor or device nodes. Mesh topologies are multi-hopping systems in which all wireless sensor nodes are identical and communicate with each other to hop data to and from the sensor nodes and base station. A star topology is a single-hop system in which all wireless sensor nodes are within direct communication range (usually 30 to 100 meters) to a base (monitoring) station. www.ecnasiamag.com /print.asp?id=2156   (1110 words)

wang-cevpn-group-00.txt 4.2 Complex Topology Decomposition A small and simple network can be designed and managed using just one VPN group, in the form of a full mesh, a partial mesh or a hub- and-spoke topology. For a hub-spoke topology, usually the spoke router selects the hub router as the default gateway and hub router provides inter- spoke connection. For other topology such as a hub-spoke VPN, a packet may have to traverse more than one IPsec tunnel to reach its destination. ietfreport.isoc.org /idref/draft-wang-cevpn-group   (2975 words)

Network Topology There are also hybrid networks including a star-bus hybrid, star-ring network, and mesh networks with connections between various computers on the network. The topology this documentation deals with most is star topology since that is what ethernet networks use. Mesh networks ideally allow each computer to have a direct connection to each of the other computers. www.comptechdoc.org /independent/networking/guide/nettopology.html   (429 words)

Interpolating Subdivision for Meshes with Arbitrary Topology - Zorin, Schroder, Sweldens (ResearchIndex) Given an initial triangular mesh the goal is to produce a smooth and visually pleasing surface whose shape is controlled by the initial mesh. Abstract: Subdivision is a powerful paradigm for the generation of surfaces of arbitrary topology. Of particular interest are interpolating schemes since they match the original data exactly, and play an important role in fast multiresolution and wavelet techniques. sherry.ifi.unizh.ch /11908.html   (429 words)

1 Because mesh topology provides multiple paths, routers are used to build the mesh network. Imagine in a ThinNet with bus topology, if one of the T connector is broken, it may affect the whole network. In the star topology, you will find all the cables are wired to the Hub or the switch. www.homepagez.com /shine/22.htm   (618 words)

Wireless mesh networks boost reliability For a network to intercommunicate in a mesh topology, the nodes' self-discovery features first must determine whether they are to serve as access points for wireless devices, as backbones for traffic coming from another node, or a combination of roles. Mesh networks distribute intelligence from switches to access points by incorporating a grid-like topology. Today's wireless LAN mesh networks use standards-based 802.11a/b/g, but they can be extended to any radio-frequency technology, such as UltraWideband or 802.15.4 Zigbee. www.networkworld.com /news/tech/2003/1110techupdate.html   (1084 words)

Topology Research I'm kind of obsessed with topology efficiency, and here's my ongoing attempt to come up with the most efficient prototype topology that can be used for characters of any age, sex, or race. This one is Steven Stahlberg's level zero Sub'D base mesh in Maya. The darker lines are the basic topology, and the lighter lines are the more detailed splits. www.ethereality.info /ethereality_website/3d/topology_research/topology_research.htm   (669 words)

OpenP2P.com: Peer and Web Services are Technologies of Connection and Coordination He evaluated client/server, ring, hierarchical, and mesh topologies along key measures including extensibility, information coherence, and fault tolerance. By combining a local client/server style within a global P2P mesh, for example, Morpheus does better on some key measures than Gnutella. To be 100% pure P2P is as pointless as to be 100% pure Java or Perl or Windows or Linux. www.openp2p.com /pub/a/p2p/2001/11/09/udell.html   (1076 words)

Introduction to parallel sorting on mesh-based topologies If the snakelike order is required, the lower bound on the number of CE steps for oblivious sorting on a 2-D mesh is greater than the trivial diameter-based one. Note that in a row-major snakelike ordering starting in the upper left corner, the tail of the snake is either in the left or right lower corner of the mesh, depending on the parity of n. The latter can be implemented either as sorting networks or directly by imposing ordering on the nodes of an interconnection network and by sorting the numbers in the order complying to the numbering of nodes. www.cs.wisc.edu /~tvrdik/15/html/Section15.html   (1076 words)

Fabrics and Application Characteristics for AdvancedTCA* Architectures When selecting the type of fabric switching to be utilized in a system, one must consider which protocol (e.g., Ethernet (10/100/1Gb), Fibre Channel, InfiniBand, StarFabric, Advanced Switching) and which topology (e.g., Star, Mesh) best suits the needs of the application. The standard supports other topologies that are subsets of the mesh implementation such as Dual Star and Dual-Dual Star (two switches in each of the two switch slots) with implementations generally dependent on the platform's intended application, such as wireless network access or edge routing. It is obvious that when using 10 Gb Ethernet as the fabric, due to pin limitations it simply may not be possible to employ a dual star topology while supporting the 15-20 Gb/Sec needed per slot. www.intel.com /technology/itj/2003/volume07issue04/art02_fabrics/p03_atca_fabric.htm   (1076 words)

mesh topology - For Mesh ForMesh.com software changes the mesh topology in such a way that nodes that are depleting their battery power reserve faster than... In a mesh topology, computers are connected to each other by point-to-point circuits. In a true mesh topology every node has a connection to every other node in the network. www.formesh.com /mesh-topology   (551 words)

Sensors Magazine Online - February 2003 - Wireless Mesh Networks The wireless mesh network topology developed at MIT for industrial control and sensing is a point-to-point-to-point, or peer-to-peer, system called an ad hoc, multihop network. The mesh topology enhances the overall reliability of the network, which is particularly important when operating in harsh industrial environments. In a mesh network, the degree of redundancy is essentially a function of node density. www.sensorsmag.com /articles/0203/38/main.shtml   (2334 words)

S0218195900000243 The centers of the ellipsoids are then connected by anisotropic Delaunay triangulation for a complete mesh topology. Since a specified tensor field controls the directions and the lengths of the ellipsoids' principal axes, the method generates a graded anisotropic mesh whose elements conform precisely to the given tensor field. Given as input: (1) a domain geometry and (2) a 3×3 tensor field that specifies a desired anisotropic node-spacing, this new approach first packs ellipsoids closely in the domain by defining proximity-based interacting forces among the ellipsoids and finding a force-balancing configuration using dynamic simulation. dx.doi.org /10.1142/S0218195900000243   (2334 words)

Direct interconnection networks I+II An N -vertex mesh-of-trees is constant vertex degree O(log N) -diameter and \Omega(\sqrtN) -bisection width topology. Therefore, the neighborhood of a vertex in a SE digraph depends on its periodicity and the SE topology is not vertex symmetric. This is a disadvantage compared to mesh-based topologies. www.cs.wisc.edu /~tvrdik/5/html/Section5.html   (2334 words)

topology - a Whatis.com definition In the partial mesh topology, some workstations are connected to all the others, and some are connected only to those other nodes with which they exchange the most data. In the star network topology, there is a central computer or server to which all the workstations are directly connected. In the ring network topology, the workstations are connected in a closed loop configuration. searchnetworking.techtarget.com /sDefinition/0,,sid7_gci213156,00.html   (443 words)

Webopedia: Network Topologies In a true mesh topology every node has a connection to every other node in the network. Topology refers to the shape of a network, or the network's layout. How different nodes in a network are connected to each other and how they communicate are determined by the network's topology. www.webopedia.com /quick_ref/topologies.asp   (160 words)

Definition: network topology mesh topology: A network topology in which there are at least two nodes with two or more paths between them. tree topology: A network topology that, from a purely topologic viewpoint, resembles an interconnection of star networks in that individual peripheral nodes are required to transmit to and receive from one other node only, toward a central node, and are not required to act as repeaters or regenerators. star topology: A network topology in which peripheral nodes are connected to a central node, which rebroadcasts all transmissions received from any peripheral node to all peripheral nodes on the network, including the originating node. www.atis.org /tg2k/_network_topology.html   (568 words)

Tutorial on Networks A mesh topology is most often used in large backbone networks in which failure of a single switch or router can result in a large portion of the network going down. A network that uses a bus topology is referred to as a "bus network" which was the original form of Ethernet networks. Bus topology is the cheapest way of connecting computers to form a workgroup or departmental LAN, but it has the disadvantage that a single loose connection or cable break can bring down the entire LAN www.cs.umd.edu /class/fall2001/cmsc411/proj01/pub/five.html   (571 words)

Network Topologies A Mesh topology consists of a network where every device on the network is physically connected to every other device on the network. A star topology is completely different from either a Bus or a Ring. The simplest topology to understand is the Bus. www.delmar.edu /Courses/ITNW2313/network.htm   (468 words)

Network+ - Ring & Bus Topology. Bus is a line (I think of "bus line" to remember it), ring is a circle, star is like an asterisk (lines radiating from a central point), mesh is literally a criss-cross of lines like a weave. I was looking at an example of Bus and Ring topology. Bus is a length of cable with terminators on the ends. www.examnotes.net /archive16-2003-3-1004006.html   (170 words)

O'Reilly Network -- Wireless Mesh Networking Network robustness: The character of mesh topology and ad-hoc routing promises greater stability in the face of changing conditions or failure at single nodes, which will quite likely be under rough and experimental conditions. While the 50% reduction in bandwidth is the most qouted limitation of single radio mesh networks, there are others related to the fact that all radios share the same channel and hence the network as a whole is extremely vulnerable to channel interference from adjacent networks or external effects. The subject of this article is mesh networks, another technology that is gradually maturing to a point where it cannot be ignored when considering various wireless networking technologies for deployment. www.oreillynet.com /pub/a/wireless/2004/01/22/wirelessmesh.html   (3631 words)

Generating a three-dimensional mesh for finite element analysis - US Patent 6804635 The triangulated structure 10 to be meshed is a curved plate with constant thickness. In exemplary embodiments of the invention, the three-dimensional mesh is a hexahedral mesh, in particular a mesh having 20-node elements. The numbers in brackets are the total number of variations corresponding to the particular case or topology. www.patentstorm.us /patents/6804635.html   (3631 words)

MeshDynamics-- Managing Mesh Network Topology As the network is directed to emphasize throughput, it begins to make changes to the topology such that a larger number of hops is used in order to make sure that each mesh connection is at a higher data rate. Managing Mesh Topology: Wired networks are relatively impervious to changes in the environment - the bandwidth of an Ethernet "pipe" is not affected by radio interference, people moving about or the presence of metallic objects. Managing the dynamics of wireless networks requires a distributed control system approach - to judge network conditions correctly at each node of the network and make adjustments to both traffic flow and the overall topology of the mesh network. www.meshdynamics.com /wControlLayer.html   (935 words)

The homogenization method for compliance minimization Such a procedure is called topology optimization since it places no explicit or implicit restriction on the topology of the optimal shape, i.e. A new numerical algorithm is thus obtained which allows to capture an optimal shape on a fixed mesh. www.cmap.polytechnique.fr /~optopo/homog_en.html   (935 words)

MITRE - Our Work - Technology Transfer Office - Downloadable Software - Mobile Mesh The mobility of the nodes results in a network whose topology is dynamic. The Mobile Mesh software is comprised of user space code and does not contain any kernel modules or modifications. The job of the network is to discover the links between the mobile nodes and to build paths so that any user can communicate with any other user, as long as each has a link to the ad hoc network. www.mitre.org /work/tech_transfer/mobilemesh   (1072 words)

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