May 24, 2016
• Patent
• SDN,Resource-Optimization,OpenFlow,TCAM
According to embodiments of the disclosure, methods, apparatuses, and computer products for controller based network resource management are disclosed. The method may include receiving a flow at a network controller, determining a flow parameter for the flow, and determining, via the network controller, an idle timeout for a flow rule, corresponding to the flow based on the flow parameter. Determining a previous idle timeout for the flow in response to determining that the flow has been received before, and determining an activity factor for the flow rule in response to the previous idle timeout being greater than or equal to the second value. The apparatus may be a network controller including a processor, and a memory configured to receive a flow, determine a flow parameter for the flow, and determine an idle timeout for the flow rule based on the flow parameter.
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Sep 9, 2015
• Blog
• OpenDaylight,OVSDB,Clustering,HA,OpenStack,Docker,Ubuntu
Doing development when your code requires at least 5 VMs to be up and running can get bit messy and bog down your machine. That’s what happen when you think of doing clustering related development work with OVSDB project. To test the OVSDB code running in clustering mode with OpenStack environment you need at minimum following setup:
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Aug 4, 2015
• Patent
• SDN,Load-Balancing,Auto-Scaling
This article describes Haven – a system for holistic load balancing and auto scaling in a multi-tenant cloud environment. It takes into account the utilization levels of different resources as part of its load balancing and auto scaling algorithms. Haven is able to provide performance at par with a hardware load balancer while still providing the flexibility and customizability of a software load balancer.
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Mar 24, 2015
• Patent
• Online-VM-Migration,OpenFlow,SDN
Methods and arrangements for facilitating virtual machine migration across data centers. A virtual machine is designated for migration from a first data center to a second data center, the virtual machine including a real identifier. A pseudo identifier is assigned to the virtual machine, and the pseudo identifier is mapped to the real identifier at a controller of the first data center. The real identifier is replaced in a data packet with the pseudo identifier for a routing task. Communication is maintained between the controller of the first data center and a controller of the second data center, and the controllers are synchronized to update a correct location of the virtual machine. The virtual machine is migrated from the first data center to the second data center.
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Mar 3, 2015
• Patent
• System-Monitoring,Error-Detection,Live-error-reporting
Methods and arrangements for detecting and diagnosing system outages. A system outage is ascertained and aberrant user activities are categorized, as possible contributors to the system outage, based on system impact. User activities and system impact are learned, and user activities and system impact are compared against predetermined rules. A system outage alert is generated, and a user activity responsible for the system outage is displayed.
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