NETWORK DEVICE WITH SERVICE SOFTWARE INSTANCES DEPLOYMENT INFORMATION DISTRIBUTION
Granted: October 1, 2015
Application Number:
20150281080
Virtual machine environments are provided in the switches that form a network, with the virtual machines executing network services previously performed by dedicated appliances. The virtual machines can be executed on a single multi-core processor in combination with normal switch functions or on dedicated services processor boards. Packet processors analyze incoming packets and add a services tag containing services entries to any packets. Each switch reviews the services tag and…
AUTOMATED CONFIGURATION FOR NETWORK DEVICES
Granted: October 1, 2015
Application Number:
20150280992
Techniques for automatically configuring a network device are provided. In one embodiment, the network device can receive a Layer 2 discovery packet on an uplink port operable for connecting the network device to another network device. The network device can then learn VLAN information from the Layer 2 discovery packet and automatically configure one or more of its ports based on the VLAN information.
PRINTED CIRCUIT BOARD WITH FLUID FLOW CHANNELS
Granted: June 11, 2015
Application Number:
20150163898
An embodiment of an electronic system includes a printed circuit board (PCB) including fluid flow channel extending through the PCB. In addition, the electronic system includes an electronic component including a bottom surface and positioned on the PCB over the fluid flow channel to thereby expose the bottom surface of the electronic component to fluid flow through the fluid flow channel.
CUSTOMER SATISFACTION PREDICTION TOOL
Granted: May 28, 2015
Application Number:
20150149260
A customer satisfaction prediction tool is usable to determine a point value for each of a plurality of leading and lagging service indicators associated with a plurality of service cases. The leading indicators may be based on currently open service cases and the lagging indicators may be based on closed service cases. The tool also is usable to add together the point values to produce a total point value, compute an index score based on the total point value, and display the computed…
ELECTRONIC COMPONENT COOLING SYSTEM AND METHOD
Granted: May 7, 2015
Application Number:
20150124405
An electronic device includes a fan field replaceable unit (FRU). The fan FRU includes a fan FRU chassis defining an airflow pathway through the fan FRU. A fan within the fan FRU chassis causes air to flow along the airflow pathway. The fan FRU further includes an edge connector located at a front face of the fan FRU out of the way of the airflow pathway. Accordingly, the edge connector does not block airflow through the fan FRU thus maximizing the efficiency of the fan FRU and the…
TECHNIQUES FOR SIMPLIFYING STACKING TRUNK CREATION AND MANAGEMENT
Granted: April 30, 2015
Application Number:
20150117263
Techniques for simplifying stacking trunk creation and management are provided. In one embodiment, a switch in a stacking system can receive first and second control packets from one or more other switches in the stacking system, where the first and second control packets are received on first and second stacking ports of the switch respectively. The switch can then determine, based on the first and second control packets, whether the first and second stacking ports can be configured as…
PLUG-IN MODULE BOTTOM RAIL SYSTEM AND METHOD
Granted: April 16, 2015
Application Number:
20150102191
Bottom mounting rails are used to secure a double wide plug-in module or two full wide plug in-modules into a double wide bay of an electronic device. This allows the size of the electronic device to be minimized. Further, the space adjacent to the sides of plug-in modules is left open facilitating airflow through the electronic device and efficient cooling thereof. The bottom mounting rails allow either a double wide plug-in module or two full wide plug-in modules to be readily…
HIGH AVAILABILITY NETWORKING USING TRANSACTIONAL MEMORY
Granted: March 12, 2015
Application Number:
20150074219
Techniques for facilitating high availability in a device (e.g., a network device) comprising redundant processing entities (e.g., one or more processors, one or more cores, etc.) and a transactional memory system. The transactional memory system comprises a memory that is shareable between the redundant processing entities and ensures consistency of information stored in the memory at the atomicity of a transaction. A first processing entity may operate in a first mode (e.g., active…
MULTIPLE RING IDENTIFICATION AND CONFIGURATION PROTOCOL
Granted: February 5, 2015
Application Number:
20150036544
A protocol identifies and configures rings in a network topology automatically in order to simplify and quicken the actions that need to be performed in response to addition, deletion and shuffle of network nodes in that topology. Such rings do not need to be identified and configured manually. The protocol involves two separate sequentially performed phases. In the first phase, the protocol can automatically identify all rings that are present within a Virtual Local Area Network (VLAN)…
MULTIPLE RING IDENTIFICATION AND CONFIGURATION PROTOCOL
Granted: February 5, 2015
Application Number:
20150036546
A protocol identifies and configures rings in a network topology automatically in order to simplify and quicken the actions that need to be performed in response to addition, deletion and shuffle of network nodes in that topology. Such rings do not need to be identified and configured manually. The protocol involves two separate sequentially performed phases. In the first phase, the protocol can automatically identify all rings that are present within a Virtual Local Area Network (VLAN)…
INGRESS SWITCH MULTICAST DISTRIBUTION IN A FABRIC SWITCH
Granted: December 11, 2014
Application Number:
20140362854
One embodiment of the present invention provides a switch. The switch includes an inter-switch multicast module and an edge multicast module. The inter-switch multicast module identifies for a first replication of a multicast packet an egress inter-switch port in a multicast tree rooted at the switch. The multicast tree is identified by an identifier of the switch. The edge multicast module identifies an egress edge port for a second replication of the multicast packet based on a…
TECHNIQUES FOR END-TO-END NETWORK BANDWIDTH OPTIMIZATION USING SOFTWARE DEFINED NETWORKING
Granted: December 11, 2014
Application Number:
20140362686
Techniques for end-to-end network bandwidth optimization using software defined networking are provided. In one embodiment, a computer system can receive information regarding a flow to be admitted to a network, where the flow is associated with a source and a destination. The computer system can further calculate, for each path in a plurality of paths between the source and the destination, a projected utilization of the path in view of the flow. If the projected utilization of the…
EFFICIENT MULTICAST TOPOLOGY CONSTRUCTION IN A ROUTED NETWORK
Granted: November 27, 2014
Application Number:
20140348022
One embodiment of the present invention provides a layer-3 forwarding device. The layer-3 forwarding device includes a processor and a computer-readable storage medium. The computer-readable storage medium stores instructions which when executed by the processor cause the processor to perform a method. The method comprises determining whether the layer-3 forwarding device is a leaf layer-3 forwarding device of a multicast distribution tree of a multicast group in a routed network based…
DISTRIBUTED METHODOLOGY FOR PEER-TO-PEER TRANSMISSION OF STATEFUL PACKET FLOWS
Granted: November 20, 2014
Application Number:
20140341218
Techniques for enabling peer-to-peer transmission of stateful packet flows in a virtualized network environment are provided. In certain embodiments, a computer system receives a packet belonging to a stateful flow between a first virtual machine and a second virtual machine, accesses flow associating information (e.g., network address) from the packet, determines a second computer system comprising a state analysis owner for the stateful flow, using the flow associating information, and…
BROADCAST AND MULTICAST TRAFFIC REDUCTION IN STACKING SYSTEMS
Granted: November 20, 2014
Application Number:
20140341080
Techniques for reducing broadcast and multicast traffic in a stacking system are provided. In one embodiment, a master device in the stacking system can automatically determine a minimal set of VLAN associations for stacking links in the stacking system. The minimal set of VLAN associations can avoid unnecessary transmission of broadcast or multicast packets through the system's topology.
CONFIGURATION VALIDATION IN A MIXED NODE TOPOLOGY
Granted: November 20, 2014
Application Number:
20140341079
Techniques for validating configuration changes in a mixed node topology are provided. In one embodiment, a device can identify a link to be removed from a topology comprising a plurality of nodes, where the plurality of nodes includes one or more nodes of a first type and one or more nodes of a second type. The device can then determine whether the removal of the link from the topology would require data traffic between two nodes of the first type to pass through a node of the second…
HARDWARE HASH TABLE VIRTUALIZATION IN MULTI-PACKET PROCESSOR NETWORKING SYSTEMS
Granted: November 13, 2014
Application Number:
20140334494
Techniques for virtualizing hardware hash tables in a networking system are provided. In one embodiment, the networking system can maintain a plurality of virtual hash tables corresponding to a plurality of hardware hash tables in the networking system. For each hardware hash table and its corresponding virtual hash table, the networking system can intercept operations directed to the hardware hash table and apply the intercepted operations to the virtual hash table. The networking…
HIERARCHICAL RATE COLOR MARKER
Granted: November 6, 2014
Application Number:
20140328181
One embodiment provides a system that facilitates bandwidth-profile enforcement. During operation, the system indicates a packet's compliance with a bandwidth profile based at least on available high-compliance tokens and medium-compliance tokens. The system further converts, within different classes of service (CoSs), an overflow high-compliance token to a medium-compliance token, in a top-down or bottom-up fashion with respect to different CoS priorities.
FCoE VN_Port Virtualizer
Granted: October 9, 2014
Application Number:
20140301402
An FCoE VN_Port virtualizer where VF_Ports are used to connect downstream to host and target VN_Ports and a VN_Port is used to connect upstream to further FCoE VN_Port virtualizers or to an FCF. An alternate embodiment uses an Ethernet Fabric for an additional purpose. The Ethernet Fabric devices all act as FCoE VN_Port virtualizers, so that the Ethernet Fabric itself is considered a virtual FCoE VN_Port virtualizer.
QUEUE SPEED-UP BY USING MULTIPLE LINKED LISTS
Granted: October 2, 2014
Application Number:
20140294014
One embodiment of the present invention provides a switch that includes a transmission mechanism configured to transmit frames stored in a queue, and a queue management mechanism configured to store frames associated with the queue in a number of sub-queues which allow frames in different sub-queues to be retrieved independently, thereby facilitating parallel processing of the frames stored in the sub-queues.
