394 results about "Multi layer network" patented technology

Systems and methods for creating and sharing tasks over one or more networks are disclosed. In one embodiment, a system comprises a message retrieval module configured to retrieve electronic messages and parse them into a plurality of tasks. The system can also include a task creation module configured to process the message to identify task information and one or more task recipients. The task creation module can also be configured to create a task based on the identified task information. A task notification module can be configured to notify the one or more task recipients about the created task. The system may also include a multi-layer network management module configured to organize the tasks and task participants into multiple networks and clouds and into a federation of clouds. The system can also include a task analytics module programmed to analyze the tasks performed by users of the system.

A multiple key, multiple tiered network security system, method and apparatus provides at least three levels of security. The first level of security includes physical (MAC) address authentication of a user device being attached to the network, such as a user device being attached to a port of a network access device. The second level includes authentication of the user of the user device, such as user authentication in accordance with the IEEE 802.1x standard. The third level includes dynamic assignment of a user policy to the port based on the identity of the user, wherein the user policy is used to selectively control access to the port. The user policy may identify or include an access control list (ACL) or MAC address filter. Also, the user policy is not dynamically assigned if insufficient system resources are available to do so. Failure to pass a lower security level results in a denial of access to subsequent levels of authentication.

A network management system for a multi-layer network having multiple architectural or technological domains includes an inter-domain configuration manager arranged between a set of one or more network service management applications and a set of network element domain managers, each of the domain managers being associated with a particular domain of the multi-layer network. The configuration manager implements network service design and provisioning functions across the domains of the network in conjunction with stored connectivity information characterizing the multi-layer network. The network management system further includes an inter-domain fault manager and an inter-domain capacity manager, which provide respective fault management and transport capacity management functions across the domains of the multi-layer network. The inter-domain configuration manager, inter-domain fault manager and inter-domain capacity manager may be interfaced to the set of network service management applications and the set of network element domain managers through corresponding published Common Object Request Broker Architecture (CORBA) Application Programming Interfaces (APIs).

A method and system for deploying assets to multi-tiered network nodes. An asset may represent network and/or application components (e.g., data, objects, applications, program modules, etc.) that may be distributed among the various resources of the network. In one embodiment, a target node's environment may be adjusted before an asset is deployed to that target node. In an alternative embodiment, a target deployment adapter, associated with the asset, may be selected and deployed with the asset in order to allow the asset to operate in the target node environment. An implementation class, associated with the asset, may be inserted into the target node environment. An altered target deployment descriptor may also be inserted into the target node environment.

A method for providing broadband communications over a multi-layered network having a plurality of Open System Interconnection (OSI) Reference Model layers functioning therein includes monitoring at least one OSI reference model layer functioning in the multi-layered network. A quality of service event is determined whether to have occurred in the multi-layered network. The quality of service event is determined to have occurred at a layer N in the OSI reference model. Network provisioning is changed at a layer less than N in response to the quality of service event, and a signal is provided when the network provisioning at the layer less than N has been changed. A system for providing broadband communications includes a multi-layered network, a network monitor, and a network controller. The multi-layered network has a plurality of Open System Interconnection (OSI) reference model layers functioning therein. The network monitor is coupled to the multi-layered network, and the network monitor is adapted to monitor at least one OSI reference model layer functioning in the multi-layered network, determine that a quality of service event has occurred in the multi-layer network, and determine that the quality of service event occurred at a layer N in the OSI reference model. The network controller is coupled to the multi-layered network, and the network monitor is adapted to respond to the quality of service event in the multi-layered network by changing the network provisioning at a layer less than N.

“Multi-tenant awareness” is added to a set of one or more packet processing devices in a Software Defined Network (SDN) having a controller. For each of one or more tenants, information in a table associates network protocol address attributes with an Internet Protocol (IP) address unique to the tenant. The table is associated with a multiple-layer translation layer being managed by the SDN controller. As a data packet traverses the translation layer, network protocol address attributes are translated according to values in the table to enable logical routing of the packet (to a given PPD. This translation occurs dynamically (or “on-the-fly”) as packets are “on route” to their destination. By implementing a multi-layer network address translation (NAT), one layer may be used to translate network protocol address source attributes, while a second layer may be used to translate network protocol address destination attributes.

A network is disclosed that includes a first tier of forwarding agents connected to a first tier of network devices. A second tier of forwarding agents is connected to a second tier of network devices. A service manager is configured to receive a packet from one of the forwarding agents; determine the tier of the forwarding agent; and send an instruction to the forwarding agent directing the forwarding agent to forward the packet to a network device connected to the tier of forwarding agents that includes the forwarding agent.

A method for visual representation of end user response time (EURT) in a multi-tiered network application is provided. Search criteria for searching a repository of client statistics records is received. The search criteria specifies identification information pertaining to a user of a multi-tiered network application experiencing application performance problems and a time period associated with the application performance problems. The identification information identifies an IP address of user's computing device. A plurality of client statistics records matching the search criteria is retrieved from the repository. The retrieved plurality of client statistics records is sorted based on measurements of performance parameters. A graph representing relevant topology hierarchy of the multi-tiered network application is presented to a user based on the sorted client statistics records. The graph visually identifies connections between nodes of the multi-tiered application. The identified connections include potential root-causes of the specified application performance problems.

For use in a wireless network, a femtocell base station in communication with at least one first mobile station is provided. The femtocell base station is configured adjust a resource of the femtocell base station to mitigate interference at a second mobile station. In certain embodiments, the femtocell base station is configured to coordinate a handover of the at least one first mobile station from the femtocell base station to a neighboring base station. In certain embodiments, the femtocell base station is configured to transmit a message regarding the resource adjustment to the at least one first mobile station.

A method is provided for routing data packets across a multi-layer network which includes a plurality of nodes, a logical level provided with a plurality of logical links and a physical level provided with a plurality of physical links, each of the logical links corresponding to at least one of the physical links, the method comprising the steps of assigning a weight to each logical link with respect to a first critical constraint in the logical level, refining the weight assigned to each logical link with respect to a second critical constraint in the physical level and, based on the weights assigned to each link, computing a path at the logical level connecting a start node to an end node for the transport of the data packets.

A distributed multilayered network routing architecture comprises multiple layers including a controller layer comprising a controller, a control plane layer comprising one or more control plane subsystems, and a data plane layer comprising one or more data plane subsystems. A controller may be coupled to one or more control plane subsystems. A control plane subsystem may in turn be coupled to one or more data plane subsystems, which may include one or more software data plane subsystems and/or hardware data plane subsystems. In certain embodiments, the locations of the various subsystems of a distributed router can be distributed among various devices in the network.

In the Network Global Expectation Model, expectation values evaluated over the entire network are used as a multi-moment description of the required quantities of key network and network element (NE) resources and commensurate network costs. The Network Global Expectation Model naturally and analytically connects the global (network) and local (network element) views of the communication system, and thereby may be used as a tool to gain insight and very quickly provide approximate results for the preliminary evaluation and design of dynamic networks. Further, the Network Global Expectation Model may serve as a valuable guide in the areas of network element feature requirements, costs, sensitivity analyses, scaling performance, comparisons, product definition and application domains, and product and technology roadmapping. The network is arranged as a multiple tier network of nodes in order to apply the analysis methods of the Network Global Expectation Model. The analytical method is developed to include non-uniform demands on the network.

Techniques for providing connectivity fault management (CFM) for a multi-tiered network are described herein. In one embodiment, a link trace message (LTM) is received at a provider edge (PE) router and originated from a first Ethernet node and destined to a second Ethernet node, where the PE router interfaces an Ethernet and a multi-protocol label switching (MPLS) network. In response, the PE router initiates an MPLS trace session, including generating an MPLS trace message based on the LTM message to one or more MPLS nodes along a path between the first and second Ethernet nodes within the MPLS network. Subsequently, in response to one or more MPLS trace reply messages from the MPLS nodes of the MPLS network, the PE router generates a first link trace reply (LTR) message and sends the first LTR message to the first Ethernet node over the Ethernet. Other methods and apparatuses are also described.

Provided are methods and systems for distributing an asset to a multi-tiered network node. A pending notice is received from a distribution server. If the notice indicates that at least one asset is pending, i.e., awaiting deployment, an asset descriptor manifest is received from the distribution server. The asset descriptor manifest, which is stored in a memory on a node, identifies at least one asset to be deployed to the node and includes an offset associated with the asset identifier. A fragment, associated with the asset, is received and stored in the memory. The offset associated with the asset is marked with the end of the fragment and a second fragment, beginning at the offset, is received. Additional fragments are received, and the offset updated, until the entire asset is deployed to the node. Alternately, the entire asset or multiple assets are received in the first fragment.

A network management and monitoring application employs diagnostic messages for confirming network path connectivity and identifying and locating connectivity faults. Diagnostic messages similar to conventional “ping” and “traceroute” messages traverse the network along a prescribed path for which diagnostic feedback is desired. The application receives and analyzes return messages sent from network entities along the path to ascertain connectivity issues on the path. The application receives layer 3 identifiers such as IP addresses, however performs diagnostic operations such as continuity checks based on layer 2 identifiers such as MAC (Media Access Control) identifiers because certain network entities operate on L2 identifiers and would otherwise evade a continuity check based on layer 3 identifiers. The monitoring application therefore performs continuity diagnostics such as ping and traceroute operations using L2 identifiers, therefore pinpointing problems with an L2 network forwarding entity such as a bridge that lies between L3 entities such as routers.

Each node of a telecommunications network determines interface point connection type attributes available for each signal type supported by the node. Each signal type represents a different connection routing layer within the telecommunications network. Adaptation costs involved in traversing from one connection routing layer to another connection routing layer in the node are calculated. The connection type attributes and adaptation costs are included in a link state advertisement broadcasted by each node in the telecommunications network. A route calculation is performed for a desired signal to determine a route through the telecommunications network for the signal. The route calculation takes into account the various connection type attributes, availability, and adaptation costs in determining the shortest route for the signal through the telecommunications network.

A multi-layered network for transporting data comprises a first network layer that provides a first session topology, and a second network layer that provides a second session topology. The second network layer uses the first network layer to transport data. In one embodiment of the invention, the data sent by the second layer is real-time audio data, such as voice. Each session topology may be either peer-to-peer or client/server. The first and second layers may have different topologies and/or different session hosts. A deterministic algorithm is provided whereby a new session host is selected when the current host leaves the session.