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Exceed onDemand A Technical Whitepaper

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Suspend and Resume<br />

> <strong>Exceed</strong> <strong>onDemand</strong> 5 — A <strong>Technical</strong> <strong>Whitepaper</strong><br />

Aside from being a gateway between X applications and <strong>Exceed</strong> <strong>onDemand</strong> Client, <strong>Exceed</strong><br />

<strong>onDemand</strong> Proxy also acts as an intermediate buffer or a storage space. The Suspend and Resume<br />

feature makes use of this unique design; it allows <strong>Exceed</strong> <strong>onDemand</strong> Client to store all the X session<br />

information in the Proxy. Once the Proxy has an exact replica of the X session information, the Client<br />

can be disconnected from the Proxy, but the session is kept alive in the Proxy. This is, by definition,<br />

a Suspend action. Later, the same user can connect to the Proxy from any machine and resume<br />

the suspended session. The Proxy will send the stored X session information back to the <strong>Exceed</strong><br />

<strong>onDemand</strong> Client and the user will be at the same point as before the session was suspended.<br />

X Application <strong>Exceed</strong> <strong>onDemand</strong> Proxy<br />

Step 1 — User on PC #1 requests to suspend an active X session.<br />

X Application <strong>Exceed</strong> <strong>onDemand</strong> Proxy<br />

Step 2 — X session data are stored on the Proxy.<br />

X Application<br />

<strong>Exceed</strong> <strong>onDemand</strong> Proxy<br />

with suspended<br />

session information<br />

Step 3 — Suspended session information is stored in the Proxy.<br />

The connection between Proxy and Client is terminated.<br />

X Application<br />

<strong>Exceed</strong> <strong>onDemand</strong> Proxy<br />

with suspended<br />

session information<br />

Step 4 — Suspended session can be resumed back on the same<br />

PC or another PC.<br />

Figure 32 — Four-step process of Suspend and Resume<br />

✘<br />

<strong>Exceed</strong> <strong>onDemand</strong> Client<br />

on PC #1<br />

<strong>Exceed</strong> <strong>onDemand</strong> Client<br />

on PC #1<br />

<strong>Exceed</strong> <strong>onDemand</strong> Client<br />

on PC #1<br />

<strong>Exceed</strong> <strong>onDemand</strong> Client<br />

on PC #1<br />

<strong>Exceed</strong> <strong>onDemand</strong> Client<br />

on PC #2<br />

51

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