TCP/UDP Concurrency Task Project

Implementation of client-server communication systems demonstrating progressive concurrency concepts through TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) protocols, all developed using Java SE 21. This project evolves from basic single-threaded operations to sophisticated message object exchange and detailed performance analysis under varying data loads.

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Task Specifications

Task 1: Basic Number Increment

• Objective: Client sends a single integer number to the server, the server increments it by one and returns the result, and the client prints the final result.
• Protocol: TCP
• Features: Single-threaded, one-time operation.
• Files: Server_1.java, Client_1.java

Task 2: Message Object Exchange

• Objective: Extend Task 1 to use custom message objects transmitted between client and server.
• Message Object Contents:
  • Incrementing number (the payload)
  • Sender name identifier (String)
  • Timestamp in milliseconds (long)
• Protocol: TCP (requires Object Serialization)
• Files: Server_2.java, Client_2.java, Message_2.java

Task 3: Performance Analysis with Data Blobs

• Objective: Extend message objects to include large data blobs for performance benchmarking.
• Data Blob Sizes (byte arrays): 1 KiB, 2 KiB, 4 KiB, 8 KiB, 16 KiB, 128 KiB.
• Execution: 1000 iterations for each specified data size.
• Analysis: Compute average transmission times (client send to client receive), and observe the performance impact of increasing payload size on both protocols.
• Protocol: Separate TCP and UDP implementations.
• Files (TCP): Server_3.java, Client_3.java, Message_3.java
• Files (UDP): Server_3.java, Client_3.java, Message_3.java (shared b/w task_3 and task_4)

Task 4: Advanced Implementation

• Objective: Implement sophisticated concurrency patterns (e.g., Thread Pools, Executors, non-blocking I/O) and potential optimizations.
• Protocol: Separate TCP and UDP implementations.
• Files: Server_4.java, Client_4.java ,Message_3 (Message_3.java (shared b/w task_3 and task_4))

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Project Structure

Concurrency_task/
├── TCP/
│   ├── Server_1.java      # Single-threaded TCP (Task 1)
│   ├── Server_2.java      # Message object TCP (Task 2)
│   ├── Server_3.java      # Performance analysis TCP (Task 3)
│   ├── Server_4.java      # Advanced TCP (Task 4)
│   ├── Client_1.java      # Basic TCP client
│   ├── Client_2.java      # Message object client
│   ├── Client_3.java      # Performance test client
│   ├── Client_4.java      # Advanced client
│   ├── Message_2.java     # Message class for Task 2
│   └── Message_3.java     # Message class for Task 3 and Task 4
└── UDP/
    ├── Server_3.java      # UDP server (Task 3)
    ├── Server_4.java      # Advanced UDP (Task 4)
    ├── Client_3.java      # UDP client (Task 3)
    ├── Client_4.java      # Advanced UDP client (Task 4)
    └── Message.java       # Shared message class (Tasks 3-4)