A company has a flat network in the cloud. The company needs to implement a solution to segment its production and non-production servers without migrating servers to a new network. Which of the following solutions should the company implement?
Just for someone (like me) that didnt know what a flat network is a flat network is a computer network design approach that aims to reduce cost, maintenance and administration. Flat networks are designed to reduce the number of routers and switches on a computer network by connecting the devices to a single switch instead of separate switches.
Segmentation in a virtual flat network can be achieved through either VLANs (Virtual LANs) or screened subnets (also known as routed subnets or network segmentation through routing). However, there's a bit of a contradiction in the terminology, as VLANs are typically associated with segregating a network into multiple broadcast domains, while a "flat" network implies that all devices are on the same broadcast domain
The term “flat” network doesn’t imply an inability to implement VLANs, but rather describes the current state of the network. By implementing VLAN segmentation, the company can create multiple broadcast domains within their existing network infrastructure, effectively moving away from a flat network structure. This allows for the logical separation of network resources without the need for physical relocation or re-networking of resources.
VLAN (Virtual Local Area Network) segmentation allows a company to logically divide a flat network into multiple virtual networks without the need to physically separate or migrate servers to a new network. VLANs are typically implemented in switches and routers to group devices based on their functions, departments, or other criteria, effectively creating separate broadcast domains within the same physical network infrastructure.
In the context of the cloud, VLAN segmentation can be used to segregate production and non-production servers or any other groups of servers that require isolation and enhanced security. It helps prevent unauthorized access between different segments and enhances network security by reducing the attack surface.
Using a vlan will require that you provide a new subnet for the servers that you will be moving into the new vlan. The right option in my opinion is zero trust. As that allows for grouping servers and applying specific policies to them even though they are in the same subnet.
I agree with you. Anyone who knows network would know you can't VLAN segment without IP segmenting as well. Only way here would be some sort of ZTNA implemenation, no doubt in this case network security rules in the cloud.
Dunno about this, VLAN segmentation happens in switch ports, not with IP address. Sure have IP segmentation together with VLAN segmentation will help in management and security, but its not mandatory.
Flat network is the network that doesn't utilize VLAN.
All communications happening in one layer. Using VLAN with give layers to the network.
Now communications will happening on different virtual channels or layers.
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