Saturday, May 12, 2012

solace vs tibco applicance (OPRA volume)

http://solacesystems.com/news/fastest-jms-broker/ solace JMS broker (Solace Message Router) support 100,000 messages per second in persistent mode and 10 million messages non-persistent. In a more detailed article, http://solacesystems.com/solutions/messaging-middleware/jms/ shows 11 million 100-byte non-persistent messages.

A major sell-side's messaging platform chief said his most important consideration was the deviation of peak-to-average latency and outliers. A small amount of deviation and (good) predictability were key. They chose Solace.

http://www.hpcwire.com/hpcwire/2009-09-14/solace_systems_sets_the_pace_in_the_race_to_zero_latency.html has good details.

In all cases (Solace, Tibco, Tervela), hardware-based appliances *promise* at least 10 fold boost in performance compared to software solutions. Latency within the appliance is predictably low, but the end-to-end latency is not. Because of the separate /devices/ and the network hops between them, the best-case latency is in the tens of microseconds. The next logical step is to integrate the components into a single system to avoid all the network latency and intermediate memory copies (including serializations). Solace has demonstrated sub-microsecond latencies by adding support for inter-process communications (IPC) via shared memory. Developers will be able to fold the ticker feed function, the messaging platform, and the algorithmic engine into the same "application" [1], and use shared memory IPC as the data transport (though I feel single-application design need no IPC).

For best results you want to keep each "application" [1] on the same multi-core processor, and nail individual application components (like the feed handler and algo engine) to specific cores. That way, application data can be shared between the cores in the Level 2 cache.

[1] Each "application" is potentially a multi-process application with multiple address spaces, and may need IPC.

Benchmark -- Solace ran tests with a million 100-byte messages per second, achieving an average latency of less than 700 nanoseconds using a single Intel processor. As of 2009, OPRA topped out at about a million messages per second. OPRA hit 869,109 mps (msg/sec) in Apr 2009.

Solace vs RV appliance -- Although Solace already offers its own appliance, it runs other messaging software. The Tibco version runs Rendezvous (implemented in ASIC+FPGA), providing a clear differentiator between the Tibco and Solace appliances.

Solace 3260 Message Router is the product chosen by most Wall St. customers.

http://kirkwylie.blogspot.com/2008/11/meeting-with-solace-systems-hardware.html provides good tech insights.

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