l17 Data Center Networking

l17 Data Center Networking - Data Center Networking...

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Data Center Networking Stanford CS144 Lecture 17 Philip Levis, 11/30/11
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Low latencies: μs High capacity: GigE, 10 GigE Specialized trafFc Centrally managed
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Topology (picture courtesy of Al-Fares et al, “A Scalable, Commodity Data Center Network Architecture”)
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Storage Workload (picture courtesy of Phanishayee et al, “Measurement and Analysis of TCP Throughput Collapse in Cluster-based Storage Systems”)
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Query Workload (picture courtesy of Alizadeh et al., “Data Center TCP (DCTCP)”)
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Problems
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Per-Pair Bandwidth (picture courtesy of Al-Fares et al, “A Scalable, Commodity Data Center Network Architecture”)
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Incast (from Phanishayee et al, “Measurement and Analysis of TCP Throughput Collapse in Cluster-based Storage Systems”)
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Incast Details (from Phanishayee et al, “Measurement and Analysis of TCP Throughput Collapse in Cluster-based Storage Systems”)
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Mixed trafFc Low latency for short ±ows High burst tolerance (incast) High throughput for long ±ows
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This note was uploaded on 04/02/2012 for the course CS 144 at Stanford.

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l17 Data Center Networking - Data Center Networking...

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