Netgear RN00RPL1 Replicate for Desktop Software Guide

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  Appendix A.  Network Virtualization and Architecture
 
   
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ReadyNAS Replicate Software Manual 
Performance
As typical of any VPN application, ReadyNAS Remote uses an additional TCP or UDP 
header that introduces marginal bandwidth overhead in order to tunnel from the private 
network interface. The relative overhead depends on the size of the packet being 
transmitted, however, on average, the ReadyNAS Remote overhead is approximately 5%.
Since ReadyNAS Remote is a user space application (as opposed to a kernel application) it 
also consumes some CPU resources.   All traffic flowing over the virtual network is encrypted 
and with a packet-inspected firewall to allow only CIFS/SMB and AFP traffic. The amount of 
CPU resources used depends on the data transfer rate. 
For example, if using ReadyNAS Remote and transferring data over a 100 Mbps LAN you 
may see some measurable CPU usage. The CPU usage may be reduced by not encrypting 
the traffic flow. 
To disable encryption and improve performance:
1. 
Go to Properties in the Mac or Windows client and choose the option to disable 
Encryption. 
WARNING!
NETGEAR does not suggest disabling encryption, but it is an 
option if you are comfortable with your networking environment 
and need to boost performance.