This is the last part of our system architecture design methodologies series. Don’t forget to checkout as well.
Layered (n-tier) Architecture
In simple words, this architecture divides a software system into layers. These layers are also called tiers. These layers help with managing, developing, and deploying the components. This architecture is mainly for large-scale applications where scaling is crucial, and managing the code is complex. The most common layers are
User Interface/Presentation Layer
Business Logic/Application Layer
Data Access Layer (ADL)
Peer-to-Peer Architecture (P2P)
P2P is a decentralized network of interconnected components. In P2P, each node can function as both a client and a server simultaneously. In a P2P world, there is no central server or authority that can control or manage the flow of information. Instead, each node is responsible for its own data and communication. Bitcoin is a prime example of P2P architecture.
Pros:
Because of its decentralized nature, there is no single point of failure.
Scaling P2P is easy. You can add new nodes to the network without harming performance.
P2P can reduce the need for large, costly infrastructure, which makes it cost-effective.
Cons:
P2P networks can be vulnerable to security risks because of its decentralized nature.
P2P networks can raise legal issues. These include copyright infringement and data privacy problems.
The quality of service can vary depending on the performance of the node.
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