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Integrated hybrid OpenFlow control of HP switches
Performance optimizing hybrid OpenFlow controller describes InMon's sFlow-RT controller. The controller makes use of the sFlow and OpenFlow standards and is optimized for real-time traffic engineering...
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Cisco, ACI, OpFlex and OpenDaylight
Cisco's April 2nd, 2014 announcement - Cisco and Industry Leaders Will Deliver Open, Multi-Vendor, Standards-Based Networks for Application Centric Infrastructure with OpFlex Protocol - has drawn mixed...
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DDoS mitigation hybrid OpenFlow controller
Performance optimizing hybrid OpenFlow controller describes the growing split in the SDN controller market between edge controllers using virtual switches to deliver network virtualization (e.g. VMware...
View ArticleConfiguring Mellanox switches
The following commands configure a Mellanox switch (10.0.0.252) to sample packets at 1-in-10000, poll counters every 30 seconds and send sFlow to an analyzer (10.0.0.50) using the default sFlow port...
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Mininet integrated hybrid OpenFlow testbed
Figure 1: Hybrid Programmable Forwarding PlanesIntegrated hybrid OpenFlow combines OpenFlow and existing distributed routing protocols to deliver robust software defined networking (SDN) solutions....
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Load balancing large flows on multi-path networks
Figure 1: Active control of large flows in a multi-path topologyFigure 1 shows initial results from the Mininet integrated hybrid OpenFlow testbed demonstrating that active steering of large flows...
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SDN fabric controller for commodity data center switches
Figure 1: Rise of merchant siliconFigure 1 illustrates the rapid transition to merchant silicon among leading data center network vendors, including: Alcatel-Lucent, Arista, Cisco, Cumulus, Dell,...
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Cumulus Networks, sFlow and data center automation
Cumulus Networks and InMon Corp have ported the open source Host sFlow agent to the upcoming Cumulus Linux 2.1 release. The Host sFlow agent already supports Linux, Windows, FreeBSD, Solaris, and AIX...
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RESTful control of Cumulus Linux ACLs
Figure 1: Elephants and MiceElephant Detection in Virtual Switches & Mitigation in Hardware discusses a VMware and Cumulus demonstration, Elephants and Mice, in which the virtual switch on a host...
View ArticleMicrosoft Office 365 outage
6/24/2014 Information Week - Microsoft Exchange Online Suffers Service Outage, "Service disruptions with Microsoft's Exchange Online left many companies with no email on Tuesday."The following entry on...
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Docker performance monitoring
IT’S HERE: DOCKER 1.0 recently announced the first production release of the Docker Linux container platform. Docker is seeing explosive growth and has already been embraced by IBM, RedHat and...
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DDoS mitigation with Cumulus Linux
Figure 1: Real-time SDN Analytics for DDoS mitigationFigure 1 shows how service providers are ideally positioned to mitigate large flood attacks directed at their customers. The mitigation solution...
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HP proposes hybrid OpenFlow discussion at Open Daylight design forum
Hewlett-Packard, an Open Daylight platinum member, is proposing a discussion of integrated hybrid OpenFlow at the upcoming Open Daylight Developer Design Forum, September 29 - 30, 2014, Santa...
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SDN control of hybrid packet / optical leaf and spine network
9/19 DemoFriday: CALIENT, Cumulus Networks and InMon Demo SDN Optimization of Hybrid Packet / Optical Data Center Fabric demonstrated how network analytics can be used to optimize traffic flows across...
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Super NORMAL
KennyK/ShutterstockHP proposes hybrid OpenFlow discussion at Open Daylight design forum describes some of the benefits of integrated hybrid OpenFlow and the reasons why the OpenDaylight community would...
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SDN fabric controllers
Credit: sFlow.comThere is an ongoing debate in the software defined networking community about the functional split between a software edge and the physical core. Brad Hedlund argues the case in On...
View ArticleOpen vSwitch 2014 Fall Conference
Open vSwitch is an open source software virtual switch that is popular in cloud environments such as OpenStack. Open vSwitch is a standard Linux component that forms the basis of a number of commercial...
View ArticleMonitoring leaf and spine fabric performance
A leaf and spine fabric is challenging to monitor. The fabric spreads traffic across all the switches and links in order to maximize bandwidth. Unlike traditional hierarchical network designs, where a...
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InfluxDB and Grafana
Cluster performance metrics describes how to use sFlow-RT to calculate metrics and post them to Graphite. This article will describe how to use sFlow with the InfluxDB time series database and Grafana...
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Stop thief!
The Host-sFlow project recently added added CPU steal to the set of CPU metrics exported.steal (since Linux 2.6.11) (8) Stolen time, which is the time spent in other operating systems when running in a...
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