Hash Ports

Problem Overview

• Determine the final port for each arriving packet using a hash and port availability.
• Inputs: numberOfPorts, transmissionTime, packetIds; Output: list of final port numbers.
• Rules: initial port = packet_id mod numberOfPorts; if busy, try next port; each port takes transmissionTime; packets arrive 1/sec starting at t=1.
• Domain: networking/packet routing simulation.
• This coding interview problem is from IBM interviews and is a common interview question.