The CTO informed you that the board of executives showed great interest in building a new network based on the work you did throughout the weeks. They need a proposal to proceed. Provide seven to ten page essay proposing the Systems Architecture for a new network of 500 users where the headquarters are located in Denver, CO with 4 branches located across the 4 US coasts. The type of business is not important and you may feel free to make up one. 1-What type of OS to use along with the file system and why is this architecture is better than others? Will you use the same OS for servers and Desktops? Will your file system of choice provide security? 2-What type of processor types will you choose for the desktops, the servers, and why? 3-Will the system be based cluster architecture for the servers and databases? 4-What type of data backup should the company use, will RAID be used, or is local backups enough? 5-Is there a need for a network to be built for connecting the servers and users, will data go across the WAN or will it stay local to the LAN? What protocols should be used if any?

Title: Proposal for the Systems Architecture of a Network for a Multilocation Business

Introduction:

This essay presents a proposal for the systems architecture of a new network catering to a business with 500 users spread across the headquarters in Denver, CO and four branches located on the four US coasts. The purpose of this proposal is to outline the recommended operating system (OS) and file system, discuss the selection of processor types for desktops and servers, delve into the cluster architecture for servers and databases, determine the appropriate data backup method, and address the network connectivity requirements and protocols.

1. Operating System and File System Selection:

For the proposed network, it is recommended to deploy a Linux-based operating system such as Ubuntu Server. Linux offers excellent stability, security, and flexibility, making it an ideal choice for the network. Ubuntu Server, in particular, provides a user-friendly interface, strong community support, and frequent updates and security patches.

In terms of the file system, the network should utilize the ext4 file system. Ext4 offers efficiency, reliability, and support for large file sizes and storage capacities. It also includes features such as journaling and backward compatibility, making it suitable for both desktops and servers.

Security is a pivotal aspect in network architecture. Ext4 file system provides basic security features such as file permissions and access control lists (ACLs). However, it is important to supplement the file system’s security with additional measures, such as proper user authentication, encrypted file systems, and robust firewall configurations.

2. Processor Selection:

For the desktops, it is recommended to use modern multicore processors, such as Intel Core i7 or AMD Ryzen 7, which offer high performance and multitasking capabilities. These processors can handle the diverse tasks performed by desktop users, ensuring smooth operations and efficient resource allocation.

On the other hand, for the servers, it is advisable to employ enterprise-grade processors such as Intel Xeon or AMD EPYC. These processors provide excellent scalability, reliability, and advanced management features suitable for server workloads.

3. Cluster Architecture for Servers and Databases:

To ensure high availability, fault tolerance, and load balancing for the servers and databases, a clustered architecture is proposed. This architecture involves distributing the workload across multiple servers, enabling seamless failover and improved performance. Suitable technologies for creating the server clusters include Linux Virtual Server (LVS) or Apache Mesos.

For the database, a relational database management system (RDBMS) like MySQL or PostgreSQL can be employed. These databases support clustering, allowing for efficient data distribution, replication, and failover.

4. Data Backup Method:

To safeguard critical data, a comprehensive and reliable backup strategy is crucial. The proposed solution includes implementing a combination of local and remote backups. Local backups can be carried out using technologies such as disk-based backup systems or dedicated Network Attached Storage (NAS). Remote backups, preferably to a different geographical location, can utilize cloud storage services enabling offsite redundancy and disaster recovery.

Redundant Array of Independent Disks (RAID) can also be employed to enhance data availability and resilience against drive failures. By implementing RAID levels such as RAID 1 (mirroring) or RAID 5 (striping with parity), the network can achieve increased data redundancy and improved performance.

5. Network Connectivity and Protocols:

Given the distributed nature of the network, it is recommended to connect the servers and users through a combination of LAN and WAN connections. LAN connections will facilitate fast and reliable data communication within each location, while WAN connections will allow inter-site communication across the branches.

For LAN connectivity, Ethernet-based networks should be employed using switches and routers. Quality of Service (QoS) protocols, such as IEEE 802.1p or Differentiated Services Code Point (DSCP), can be implemented to prioritize network traffic and ensure optimal performance for mission-critical applications.

For WAN connectivity, VPN (Virtual Private Network) technologies can be utilized to establish secure and encrypted communication channels between different locations. This will protect sensitive data during transmission and allow for seamless data exchange across the branches.

Conclusion:

In conclusion, this proposal has outlined the recommended systems architecture for a new network catering to a business with 500 users spread across multiple locations. The proposed architecture includes the deployment of a Linux-based operating system, utilization of cluster architecture for servers and databases, implementation of a comprehensive data backup strategy, and the incorporation of LAN and WAN connectivity using appropriate protocols. By adhering to these recommendations, the proposed network architecture will provide high-performance, reliability, security, and scalability to support the operations of the organization.

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