Today there are colleagues in the cloud desktop sales, the need to use NAT gateway for accessing the Internet, but NAT gateway has four specifications, different specifications of the large price differences, do not know where a use, today we look for together Tips.
I. First, we look at what is NAT gateway
In the cloud desktop scene, mainly for Source NAT NAT gateway of access to the Internet, bandwidth sharing achieved through the NAT gateway, IP sharing. Besides simply, your home is a cat-NAT gateway, iPAD, mobile phones, computers forwarded to the cat by the light source private IP address, the cat will light your source IP changes to a public IP by SNAT, then the access request forwarded.
Second, the difference between 4 different NAT gateway
The main difference is the number of connections, number of connections is the number of actual connections between the port and the port. If you bluntly ask your customer number of connections is the number? It estimated that most customers are in a confused state. And we can actually measure the user's real-world business scenarios.
Third, how to measure the number of connected clients
1, we will reduce the number of connections to the number of connections in the end need a computer in real business scenarios.
2, we use the command to view the number of computers connected in a real scene.
a, I opened the current micro letter, QQ, 5 pages, is also estimated that the average customer scenarios.
b, I look through the windows of command cmd.exe window
netstat -nat
3, initially counted, handle the connection close-wait, eatablished, time-wait a total of 35 connections.
4, if the customer service computer it has 70, 70 * 35 = 2450 connections. NAT gateways are small enough. If you feel at ease and medium-sized NAT gateways enough.
I hope this article can help you.
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