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CONVERGED IT PLATFORM
Converged infrastructure operates by grouping multiple information technology (IT) components into a single, optimized computing package. Components of converged infrastructure may include servers, data storage devices, networking equipment and software for IT infrastructure management, automation, and orchestration.
With a peer-to-peer network, if a user needs to access a file residing on another computer, that computer needs to be powered on. This is not practical with client devices that are generally powered off when not in use. With a client-server network, the server is always-on, always available, so files and applications can be accessed at anytime.
SERVERS
STORAGE
NAS devices, which typically do not have a keyboard or display, are configured and managed with a browser-based utility program. Each NAS resides on the LAN as an independent network node and has its own IP address.
An important benefit of NAS is its ability to provide multiple clients on the network with access to the same files. Prior to NAS, enterprises typically had hundreds or even thousands of discrete file servers that had to be separately configured and maintained. Today, when more storage capacity is required, NAS appliances can simply be outfitted with larger disks or clustered together to provide both vertical scalability and horizontal scalability. Many NAS vendors partner with cloud storage providers to provide customers with an extra layer of redundancy for backing up files.
SECURITY
Firewalls have evolved beyond simple packet filtering and stately inspection. Most companies are deploying next-generation firewalls to block modern threats such as advanced malware and application-layer attacks.
ROUTERS
A router has a lot more capabilities than other network devices, such as a hub or a switch that is only able to perform basic network functions. For example, a hub is often used to transfer data between computers or network devices but does not analyze or do anything with the data it is transferring. By contrast, routers can analyze the data being sent over a network, change how it is packaged, and send it to another network or over a different network. For example, routers are commonly used in home networks to share a single Internet connection between multiple computers.
NETWORKING
An active network is a network in which the nodes are programmed to perform custom operations on the messages that pass through the node. For example, a node could be programmed or customized to handle packets on an individual user basis or to handle multicast packets differently than other packets.
ACTIVE
A passive network is a type of computer network in which each node works on a predefined function or process. Passive networks don't execute any specialized code or instruction at any node and don't change their behavior dynamically. Typically, this behavior is related to each network router node.
PASSIVE
