VPN - (VIRTUAL PRIVATE NETWORK)

Having a private, secure network (VPN) and using the Internet infrastructure at the same time is the best way for many companies to enjoy the benefits of both worlds. Especially companies with several locations or branches connect their branch offices to the data center with a VPN (Virtual Private Network).

Depending on requirements, the connection can be star or meshed (networking of branch offices with each other).

The data running over it is encrypted in any case.

Advantages of a VPN

Security guaranteed: A look at virtual private networks

 

Are you concerned about your online security and privacy? Then you should consider virtual private networks (VPN). In this article, we take an in-depth look at virtual private networks and how they can help you protect your data.

A virtual private network allows you to connect securely to your desired network whether you're in the office, at home or on the move. By using a VPN, your information is encrypted and sent through a secure tunnel, keeping your online activity protected.

The security of data on the internet is of great importance. There are a variety of threats that can be encountered online, such as identity theft, hacking and data loss. These threats can have serious consequences and lead to significant financial damage and the loss of sensitive information.

 

How does a virtual private network (VPN) work?

 

A virtual private network (VPN) allows you to establish a secure connection to a remote server and access the Internet from there. When you connect to a VPN, all your internet traffic is routed through the VPN's encrypted tunnel. This means that your data is protected from prying eyes and cannot be viewed by third parties.

The Structure of a VPN

 

A star VPN (star VPN) and a mesh VPN (mesh VPN) are two different approaches to networking multiple locations or networks. Both have their specific advantages and disadvantages, depending on the requirements and structure of the network. Here are the main advantages of each approach:

 

Advantages of a Star-VPN:

 

Central Administration and Control

In a Star VPN, all data traffic is routed via a central hub (usually a main location or a central VPN server). This makes it easy to monitor and manage network traffic, as all data flows through a central point.

 

Easy Implementation and Scalability:

Setting up a Star VPN is relatively simple, as only the connections between the endpoints and the central hub need to be configured. New locations or users can easily be added by simply connecting to the central hub.

 

Cost Control:

As all locations are connected via a central point, bandwidth planning and monitoring is simpler, which helps to control costs. Only one high-performance connection is required at the central hub, while the connections at the end points do not need to be as powerful.

 

Easy Troubleshooting:

As the network is centralized, problems can be identified and rectified more quickly as all connections are monitored from a single point.

 

Advantages of a Meshed-VPN:

 

High Redundancy and Reliability:

In a meshed VPN, all locations are directly connected to each other, so there is no dependency on a central hub. If a node (a site) fails, the remaining nodes can continue to communicate directly with each other. This increases network stability and reduces downtime.

 

Optimized network performance:

As communication takes place directly between the sites, data traffic can choose the shortest and most efficient route, which can lead to better performance and lower latency. This is particularly beneficial for applications that require low latency, such as VoIP or real-time data transfers.

 

Scalability for distributed networks:

A meshed VPN is well suited for companies or organizations with many distributed locations that often need to communicate with each other. It enables direct and efficient communication between locations without a central point becoming a bottleneck.

 

Loadbalancing:

The network load is distributed over several connections instead of routing everything via a central point. This prevents individual connections from being overloaded and can improve overall network performance.

Communication via Star VPN connections always runs via the control center.

VPN connections are possible with the head office and also directly between the branches.

Hybrid Cloud

 

VPN connections can also be used in hybrid cloud applications to establish a secure connection between the onprem shares and the public or private cloud.

VPN connections are also popular for on-premise
variants in a hybrid cloud.

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