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Modern cloud-scale data centers support a variety of traffic patterns, including traditional short-lived “mouse” flows and more persistent “elephant” flows. Mouse flows are typically associated with bursty, latency-sensitive applications while elephant flows include traffic from virtual-machine migrations, backup and data migrations, and Big Data applications such as Hadoop. Typically, the majority of flows within a data center are mouse flows, but the majority of data belong to a few elephant flows.
This is a problem because elephant flows tend to fill network buffers end-to-end, which adds significant queuing delay to the mouse flows that share these buffers. In a network of elephant and mouse flows, that means the more latency-sensitive mouse flows suffer from increased latency due to the collateral damage caused by the elephant flows.
Join CALIENT Technologies, InMon, and Cumulus Networks for a demonstration of a programmable hybrid data center network that detects and offloads elephant flows from a Layer 2/3 network fabric to a pure photonic Layer 1 optical circuit switched network based on real time traffic patterns and specific application priorities. Offloading the elephants facilitates more efficient and cost-effective delivery of the flows while freeing the L2/3 network to focus on handling the short-lived mouse flows it services very effectively.
The demonstration will showcase a controller developed by CALIENT that uses InMon sFlow and sFlow RT components to detect elephant flows between bare metal top of rack switches running Cumulus Linux. The controller will offload and reroute the flows through a CALIENT S320 optical circuit switch.
Sign up for the DemoFriday on Friday, September 19 at 10:00 a.m. PDT to learn how CALIENT, Cumulus Networks, and InMon OpenStack Networking Suite provides a fully distributed set of networking functions that overcome all of the limitations of other OpenStack networking solutions.
This DemoFriday has already occurred. You may view the archived assets here.