Mar28 - CSE398: Network Systems Design Instructor: Dr....

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CSE398: Network Systems Design Instructor: Dr. Liang Cheng Department of Computer Science and Engineering Lehigh University March 28, 2005
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Instructor: Dr. Liang Cheng CSE398: Network Systems Design 03/28/05 Outline ± Recap ± Network processor architectures ± Issues in scaling a network processor ± Summary and homework
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Instructor: Dr. Liang Cheng CSE398: Network Systems Design 03/28/05 Recap ± Network processor architecture is characterized by ± Processor hierarchy ± Memory hierarchy ± Internal buses ± External interfaces ± Special-purpose functional units ± Support for concurrent or parallel execution ± Programming model ± Dispatch mechanisms
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Instructor: Dr. Liang Cheng CSE398: Network Systems Design 03/28/05 Design Questions ± Can we make network processors ± Faster? ± More powerful? ± Cheaper? ± More general? ± Easier to use? ± All of the above? ± Scalable design is fundamental
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CSE398: Network Systems Design 03/28/05 Scaling the Processor Hierarchy ± General purpose CPU ± Highest level functionality ± Administrative interface ± System control ± Overall management functions ± Routing protocols ± Embedded processor ± Intermediate functionality ± Higher-layer protocols ± Control of I/O processors ± Exception and error handling ± High-level ingress (e.g., reassembly) ± High-level egress (e.g., traffic shaping) ± I/O processor
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This note was uploaded on 08/06/2008 for the course CSE 398 taught by Professor Cheng during the Spring '05 term at Lehigh University .

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Mar28 - CSE398: Network Systems Design Instructor: Dr....

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