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OpenVMS Cluster Systems - OpenVMS Systems - HP

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2<br />

<strong>OpenVMS</strong> <strong>Cluster</strong> Concepts<br />

To help you understand the design and implementation of an <strong>OpenVMS</strong> <strong>Cluster</strong><br />

system, this chapter describes its basic architecture.<br />

2.1 <strong>OpenVMS</strong> <strong>Cluster</strong> System Architecture<br />

Figure 2–1 illustrates the protocol layers within the <strong>OpenVMS</strong> <strong>Cluster</strong> system<br />

architecture, ranging from the communications mechanisms at the base of the<br />

figure to the users of the system at the top of the figure. These protocol layers<br />

include:<br />

• Ports<br />

• System Communications Services (SCS)<br />

• System Applications (SYSAPs)<br />

• Other layered components<br />

<strong>OpenVMS</strong> <strong>Cluster</strong> Concepts 2–1

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