Cisco Systems OL-12518-01 manual Application Requirements, Compression Ratio Comparisons

Chapter 4 FCIP over IP/MPLS Core

Application Requirements

Figure 4-18

Compression Ratio Comparisons

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Compensation

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Application Requirements

Before designing a WAN, it is important to understand the requirements of each application and how it performs on the network. There are numerous applications available; Table 4-2generalizes some of the applications. The MAN/WAN should be able to provide the requirements that each application demands to obtain maximum efficiency.

Table 4-2		Application Requirements
	Application		Bandwidth	Latency	Async or Sync	Comments
	Tape backup		Typically 10 to 15 MB	< 1–5 ms	Synchronous or	Sensitive to delay.
			per tape drive		asynchronous.	Rely on SCSI
			Up to 40 MB per tape			protocol for
						timeouts and error
			drive (Super DLT
						recovery.
			tapes).
						Note—Once a
						session is
						interrupted, the
						all-backup session is
						lost.
					Data Center High Availability Clusters Design Guide
	OL-12518-01						4-29