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Does packet size affect speed?
The experimental results showed that the packet size had different effects on the packet loss rate and the throughput of the TCP stream. The larger the packet size was, the greater the packet loss rate and throughput would have.
What is the optimal packet size?
There’s no one right answer as to which packet size represents the “best” result. Medium-size frames, such as the 512-byte packets used in this test, are often considered useful, because they’re close to the “average” Internet size of roughly 300 to 400 bytes.
Can MTU be higher than 1500?
The maximum size of frames is called the Maximum Transmission Unit (MTU). Historically, Ethernet has a maximum frame size of 1500 bytes. An Ethernet packet larger than 1500 bytes is called a jumbo frame. An Ethernet frame uses a fixed-size header.
Why are there so many small TCP packets?
Also, many small packets put more strain on routers, firewalls, switches and other network infrastructure equipment, so when you, your service provider and your users don’t invest in high-quality hardware, this might turn into another bottleneck. For that reason you should try to send all data you have available at once in one TCP segment.
Which is faster one small packet or many small packets?
So, one small packet will get to the destination fastest. But if you have a lot of data to send the overhead of many small packets will add up to be significant. If you send fewer larger packets then the overhead will remain small and the overall transfer will be faster.
How is TCP used to send and receive data?
TCP will aggressively buffer and split your data wherever it sees fit to make sure your data gets to the other side as fast as possible. If you want to send and receive “packets” with TCP, you have to implement packet start markers, length markers and so on. How about using a message oriented protocol like UDP instead?
How much bandwidth does a TCP segment use?
A TCP segment has quite a lot of overhead. When you send a 10 byte message with one TCP packet you actually send: resulting in 42 bytes of traffic for transporting 10 byte of data. So you only make use of less than 25% of your available bandwidth.