OVS Orbit podcast with Ben Pfaff
OVS Orbit Episode 6 is a wide ranging discussion between Ben Pfaff and Peter Phaal of the industry standard sFlow measurement protocol, implementation of sFlow in Open vSwitch, network analytics use...
View ArticleInternet of Things (IoT) telemetry
The internet of things (IoT) is the network of physical objects—devices, vehicles, buildings and other items—embedded with electronics, software, sensors, and network connectivity that enables these...
View ArticleStreaming telemetry
The OpenConfig project has been getting a lot of attention lately. A number of large network operators, lead by Google, are developing "a consistent set of vendor-neutral data models (written in YANG)...
View ArticleDocker networking with IPVLAN and Cumulus Linux
Macvlan and Ipvlan Network Drivers are being added as Docker networking options. The IPVlan L3 Mode shown in the diagram is particularly interesting since it dramatically simplifies the network by...
View ArticleMerchant silicon based routing, flow analytics, and telemetry
Drivers for growth describes how switches built on merchant silicon from Broadcom ASICs dominate the current generation of data center switches, reduce hardware costs, and support an open ecosystem of...
View ArticleProgrammable hardware: Barefoot Networks, PISA, and P4
Barefoot Networks recently came out of stealth to reveal their Tofino 6.5Tbit/second (65 X 100GE or 260 X 25GE) fully user-programmable switch. The diagram above, from the talk Programming The Network...
View ArticleCisco Tetration analytics
Cisco Tetration Analytics: the most Comprehensive Data Center Visibility and Analysis in Real Time, at Scale, June 15, 2016, announced the new Cisco Tetration Analytics platform. The platform collects...
View ArticleConfiguring OpenSwitch
The following configuration enables sFlow monitoring of all interfaces on a white box switch running the OpenSwitch operating system, sampling packets at 1-in-4096, polling counters every 20 seconds...
View ArticleReal-time BGP route analytics
The diagram shows how sFlow-RT real-time analytics software can combine BGP route information and sFlow telemetry to generate route analytics. Merging sFlow traffic with BGP route data significantly...
View ArticleNetwork, host, and application monitoring for Amazon EC2
Microservices describes how visibility into network traffic is the key to monitoring, managing and securing applications that are composed of large numbers of communicating services running in virtual...
View ArticleInternet router using merchant silicon
SDN router using merchant silicon top of rack switch and Dell OS10 SDN router demo discuss how an inexpensive white box switch running Linux can be used to replace a much costlier Internet router. The...
View ArticleWorld map
World Map has been released on GitHub, https://github.com/sflow-rt/world-map. The application displays an up to the second view of traffic as animated bubbles overlaid on a world map.Download and...
View ArticleInternet router using Cumulus Linux
Internet router using merchant silicon describes how an inexpensive white box switch running Linux can be used to replace a much costlier Internet router. This article will describe the steps needed to...
View ArticleNetwork and system analytics as a Docker service
The diagram shows how new and existing cloud based or locally hosted orchestration, operations, and security tools can leverage the sFlow-RT analytics service to gain real-time visibility. Network...
View ArticleReal-time web analytics
The diagram shows a typical scale out web service with a load balancer distributing requests among a pool of web servers. The sFlow HTTP Structures standard is supported by commercial load balancers,...
View ArticleTriggered remote packet capture using filtered ERSPAN
Packet brokers are typically deployed as a dedicated network connecting network taps and SPAN/mirror ports to packet analysis applications such as Wireshark, Snort, etc.Traditional hierarchical network...
View ArticleAsynchronous Docker metrics
Docker allows large numbers of lightweight containers can be started and stopped within seconds, creating an agile infrastructure that can rapidly adapt to changing requirements. However, the rapidly...
View ArticleDocker 1.12 swarm mode elastic load balancing
Docker Built-In Orchestration Ready For Production: Docker 1.12 Goes GA describes the native swarm mode feature that integrates cluster management, virtual networking, and policy based deployment of...
View ArticleCollecting Docker Swarm service metrics
This article demonstrates how to address the challenge of monitoring dynamic Docker Swarm deployments and track service performance metrics using existing on-premises and cloud monitoring tools like...
View ArticleReal-time domain name lookups
Reverse DNS requests request the domain name associated with an IP address, for example providing the name google-public-dns-a.google.com for IP address 8.8.8.8. This article demonstrates how the...
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