Switching White Papers

Removing Content Switching Performance Barriers: A Discussion of the Cisco CSM Pipelined Network Processor Architecture

• Tags:
• switching,
• role,
• reader,
• protocol

Overview The balance of this paper explores in detail the unique architecture of the Cisco CSM. It will be assumed that the reader has a basic understanding of IP, Transmission Control Protocol (TCP), User Datagram Protocol (UDP), and Hypertext Transfer Protocol (HTTP) (including Secure Socket Layer [SSL] and the concepts of URLs and cookies). It will also be assumed that the reader has a basic level of understanding about the role of content switches in a network but not how content switches operate to fulfill this role. This paper will discuss the following: An overview of content switch operation; Categories of processing in content switches; The Cisco CSM pipelined network processor architecture.

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