Overview for Servers

Servers are specialized computers for tasks like hosting websites (Web Servers), managing data (Database Servers), or running applications (Application Servers),

E:\Dave Gray Web-Lessons (Video-Notes)\Mukesh GuptaJi

Data Centers are physical facilities housing these servers, categorized by ownership/location (On-premise, Colocation, Hyperscale, Edge) and deployment (Cloud/Virtual, Physical/Dedicated).

Key types include Web, Database, App, File, Mail, Proxy, DNS, and Virtual/Cloud servers, working within On-Premise, Colocation, Hyperscale, or Edge data centers, offering different scales, control, and resource allocation for software and web needs.

Types of Data Centers

  • On Premise Data Centers: Owned and operated by a single company, offering maximum control.
  • Colocation Facilities: Rent space, power, and cooling for your own servers.
  • Hyperscale Data Centers: Massive facilities for huge cloud providers (AWS, Azure).
  • Edge Data Centers: Small, local centers closer to users for low-latency services.
  • Cloud Data Centers: Virtualized environments (Public, Private, Hybrid) offering scalable resources. 

Types of Servers

  • Web Servers: Host websites, delivering content (HTML, images) to browsers (e.g., Apache, Nginx).
  • Application Servers: Run business logic and apps, serving dynamic content (e.g., Java EE, Node.js).
  • Database Servers: Store, manage, and retrieve structured data (e.g., MySQL, SQL Server).
  • File Servers: Centralized storage for shared files and folders.
  • Mail Servers: Handle email sending, receiving, and storing (SMTP, POP3, IMAP).
  • Proxy Servers: Act as intermediaries for requests, offering security, caching, or anonymity.
  • DNS Servers: Translate domain names (like google.com) into IP addresses.
  • Virtual Servers (VPS/Cloud): Software-based servers sharing hardware resources, offering flexibility.
  • Dedicated Servers: Single-tenant physical servers for high performance and control.
  • FTP Servers: Transfer files between computers.
  • Game Servers: Host multiplayer online games.
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