Xerox Xerox Remote Print Services Support & Software 管理员指南

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页码 29
 
4-23 
 
• 
Data size depends on the command and number of commands. Just for the check, the packet size 
will be approximately 2 KB. For example, a troubleshoot device command will result in a response 
with a transmission size of approximately 9 KB. 
• 
If an Upgrade Device command is queued, Xerox
® 
Device Agent  will also retrieve the firmware file 
from Xerox
®
  Services Manager. Firmware files can be more than 100 MB. 
• 
Default frequency for the command check is once per minute.  
Auto Update 
Xerox
®
 Device Agent supports automatic update. When a newer version of Xerox
®
 Device Agent is 
released, it is loaded on the Auto Update Server available for Xerox
®
 Device Agent to connect to. 
There are two actions that utilize network resources to accomplish the Xerox
®
 Device Agent Auto Update 
function. The two actions include: 
• 
Checking to determine if a newer version of Xerox
®
 Device Agent is available for download. 
• 
Downloading a newer version of Xerox
®
 Device Agent for installation. 
Xerox
®
 Device Agent makes changes only on the PC on which it is installed; it does not require network 
resources like SQL server during the update. 
Version Check 
When Xerox
®
 Device Agent queries the Auto Upgrade Server to determine if a newer version of Xerox
®
 
Device Agent is available for download, ~2.1 K of network traffic is generated. This check is performed 
once a week at the day and time configured in Xerox® Device Agent.  
Summary: Monthly total network impact: ~ 8.4K. Add 2.1K for every time update check is initiated 
manually. 
Update Download 
When a newer version of the application is available for download, a composite package of download 
manager, application installer, and supporting files totaling approximately 30 MB is downloaded to the 
client machine where the application is currently installed. This is a single download that occurs only if 
the user elects to upgrade the installation to the newer version or if the system is set to always auto 
upgrade. Once the download is complete, all installation work is done on the client, and no additional 
network traffic is generated.