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The frame size used in an end-to-end connection is typically limited by the lowest common denomiator. Token Ring can use 4464-byte frames, FDDI can use 4352-byte and ATM can use 9180-byte frames. More recent technologies, such as 802.11 can use 7935-byte frames. The IEEE Ethernet standard only mandates support for 1500-bytes. Larger frame sizes have the potential to reduce overheads and CPU cycles. Recent work has demonstrated the positive effect that Jumboframes have on end-to-end TCP performance.

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Maximum transmission unit - Wikipedia, the free encyclopedia

Large MTUs also have a positive effect on end-to-end TCP performance.

Murray, D., Koziniec, T., Lee, K. and Dixon, M.W. (2012) Large MTUs and internet performance. In: IEEE HPSR 2012 - 13th IEEE Conference on High Performance Switching and Routing, 24 - 27 June, Belgrade, Serbia.

A. Foong, T. Huff, H. Hum, J. Patwardhan, and G. Regnier, “TCP Performance Re-visited,” In IEEE International Symposium on Performance of Systems and Software, 2003, pp. 70–79