Bandwidth Delay Product

Calculate the bandwidth-delay product for network optimization.

Network Parameters

Bandwidth

Round Trip Time (RTT)

Latency in milliseconds

Calculated Product

Optimal Window Size5.96 MB

50,000,000 bits

Total In-Flight Data (Bits)

6,250,000 Bytes

Total In-Flight Data (Bytes)

Overview

The bandwidth-delay product (BDP) measures the maximum amount of data in transit on a network path at any given time. It's calculated as bandwidth × round-trip time. BDP helps determine optimal TCP window sizes for efficient data transfer over high-latency connections.

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Pro Tips

Use BDP to size TCP receive windows for optimal throughput.
High BDP networks (long fat networks) need larger buffers.
Satellite links have high BDP due to propagation delay.
Congestion control algorithms use BDP to prevent network overload.

Fun Facts

"BDP is measured in bits or bytes of data in flight."
"A 1 Gbps link with 100ms RTT has a BDP of 100 megabits."
"TCP window scaling was introduced to handle high BDP networks."
"Bufferbloat occurs when buffers exceed BDP, causing latency."

Formula: BDP = Bandwidth × Round-Trip Time (in bits)

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