Leaky bucket

A server connects to a switch, which operates in store-and-forward mode and which in turn connects to a client. Assume infinite bandwidth on the link connecting server to switch and switch to client. Ignore delays from propagation or switch processing.

The server generates bursts of four 1KB packets at the beginning of every minute (e.g. in response to a client request) and sends them as fast as it can to the client. The switch uses a Leaky Bucket with 2KB capacity and receiving 1KB of credit every second to regulate the flow of packets to the client. At what times do the first 6 packets arrive at the client, assuming t=0 is when the server first sends a packet and the Leaky Bucket is full of credit at t=0 and last received a credit just before t=0.

Write your answers in the form {min}:{sec}.{ms}{us}, e.g. 1:02.003004 to indicate 1 minute+2 seconds+3milliseconds+4microseconds

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