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6 results about "Clos network" patented technology

In the field of telecommunications, a Clos network is a kind of multistage circuit-switching network which represents a theoretical idealization of practical, multistage switching systems. It was invented by Edson Erwin in 1938 and first formalized by Charles Clos ([ʃaʁl klo])in 1952.

Quick reroute in Clos networks

Techniques for implementing quick reroute in a Clos network comprising a plurality of leaf network devices and a plurality of spine network devices are provided. In one set of embodiments, a first spine network device can configure an Equal-Cost Multi-Path (ECMP) group that comprises the plurality of leaf network devices except for a first leaf network device. The first spine network device can further detect a connectivity failure between the first spine network device and the first leaf network device. In response to the failure, the first spine network device can update one or more routes in a routing table, where the one or more routes are associated with one or more hosts that are connected to the first leaf network device, and where updating each route in the one or more routes comprises changing the route to point to the ECMP group as a next hop.
Owner:ARISTA NETWORKS INC

Network design apparatus and program

To obtain a larger network capacity by setting three network hierarchies in a Clos network.SOLUTION: The network designed by the network design device 1 is provided with a plurality of first stage switches belonging to a first stage and connected to a plurality of terminals, a plurality of second stage switches belonging to a second stage and connected to the plurality of first stage switches, and a plurality of third stage switches belonging to a third stage and connected to the plurality of second stage switches. The network design device 1 includes a calculation unit 12 that calculates the number of terminals and the number of first stage switches so that the total probability of each blockage occurrence probability in a case where the number of terminals is increased by one from the maximum value of the number of terminals when the network is non-blocked does not exceed the allowable blockage rate ε and the network capacity is maximized in a network that satisfies the number of ports N of each switch, the total number a of a plurality of switches, and the terminal utilization rate p.SELECTED DRAWING: Figure 8
Owner:NIPPON TELEGRAPH & TELEPHONE CORP

Apparatus, method, device and medium for implementing large optical CLOS network interconnection

The embodiment of the application discloses a device, method, equipment and medium for realizing large optical CLOS network interconnection, relates to the technical field of telecommunication equipment, and solves the technical problem of complex fiber wiring when the optical CLOS network is interconnected as a connection unit, and the technical solution points are at least two optical interconnection modules, each optical interconnection module comprises at least one optical interconnection unit, the optical CLOS cross connection device comprises an optical waveguide interconnection plate, an optical connector and a structure, the optical waveguide interconnection plate and the optical connector are fixed through the structure, and the optical interconnection unit is connected with the optical waveguide interconnection plate through the optical connector. When the device and the method are used for equipment networking, the fiber wiring is greatly optimized, the individualization demand of the fiber interconnection is shielded, the complexity of the fiber connection between the optical interconnection units is greatly simplified, the deployment speed of the equipment is improved, and the deployment quality of the equipment is improved.
Owner:ZTE CORP

Network device, network deployment method and apparatus

A network device, a network deployment method and an apparatus, relating to the technical field of cluster networks, and used for solving the problem that network devices cannot change network topologies. In the solution provided in the present application, a switch board is replaced, so that a network device supports both a mesh network deployment and a clos network deployment. In addition, by means of the the solution provided in the embodiments of the present application, in clos network deployments and mesh network deployments, a plurality of SW boards are consistent or normalized, which can provide convenience for deployments, so that network devices are applicable to both small-scale network deployment scenarios and large-scale network deployment scenarios.
Owner:HUAWEI TECH CO LTD

Quick Reroute in Clos Networks

Techniques for implementing quick reroute in a Clos network comprising a plurality of leaf network devices and a plurality of spine network devices are provided. In one set of embodiments, a first spine network device can configure an Equal-Cost Multi-Path (ECMP) group that comprises the plurality of leaf network devices except for a first leaf network device. The first spine network device can further detect a connectivity failure between the first spine network device and the first leaf network device. In response to the failure, the first spine network device can update one or more routes in a routing table, where the one or more routes are associated with one or more hosts that are connected to the first leaf network device, and where updating each route in the one or more routes comprises changing the route to point to the ECMP group as a next hop.
Owner:ARISTA NETWORKS INC

A method for constructing an edge cloud network by using cloud native technology

The application discloses a method for constructing an edge cloud network by adopting a cloud native technology, and relates to the technical field of edge cloud network architecture and resource management. The method comprises the following steps: constructing a two-stage Clos network of full interconnection of ridge layer and leaf layer switches, forming a non-blocking forwarding network to solve the east-west traffic bottleneck; deploying a K3s lightweight container orchestration engine on a server to form a container cluster, and deploying a network component to realize topology automatic discovery and route convergence through a BGP EVPN protocol, meanwhile, based on a VXLAN protocol and a virtual network identifier VNI, different services are divided into mutually isolated service virtual networks to realize logical isolation of service traffic; an application is split into a micro-service container image, and is deployed in a declarative manner through the K3s; and unified pooling scheduling is performed on computing, storage and network resources of the cluster to realize dynamic allocation and elastic scaling of resources. The application realizes lightweight, high-anti-destroying and elastic expansion of the edge cloud network.
Owner:CHONGQING JINMEI COMM