Cisco NX-OS

Multicast fairness in high frequency trading environments

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Multicast fairness in high frequency trading environments

In High Frequency Trading (HFT) environments, market data for stock prices, trading, and investments are often distributed using multicast protocols where one source sends data to multiple receivers.  HFT customers demand real-time and fast connectivity to the exchange. All traders need to receive the data at the same time to execute orders with equal opportunity.  The exchange distributes market data to each trader, and the assumption is that each trader receives data at the same…

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Ensuring Continuous Network Operations with Cisco Nexus Hitless Upgrades

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Ensuring Continuous Network Operations with Cisco Nexus Hitless Upgrades

Is there ever really a good time to perform a network device image upgrade? For many customers, downtime is not an option. They expect that upgrades occur while the network continues to forward packets, without any service impact. Designing a highly redundant network involves several strategies to ensure continuous operation and minimize downtime. Key approaches include multiple network paths between critical points, load balancing, and dual-homed devices and switches. Cisco supported hitless upgrades for data…

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