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What is a packet size?
A network packet is a small amount of data sent over Transmission Control Protocol/Internet Protocol (TCP/IP) networks. The packet size is around 1.5 kilobytes for Ethernet and 64 KB for IP payloads.
How does packet size affect throughput?
The throughput value increases according to packet size, and then starts to decrease until it reach the saturated value. Increasing packet size means increasing the amount of data, and this will increase the throughput.
Are large packet size better than small packet size?
large packet size is better since packet overhead is small, but delay in packetization, plus wastage of space if actually data size to be transmitted is small, are both disadvantages.so an in-between value was chosen. “
Does the round trip time depend on packet size?
RTT depends on the network infrastructure, the distance between nodes, network conditions, and packet size. Packet size and payload compressibility have a significant impact on RTT for slower links.
What is the maximum TCP packet size?
65535 bytes
The absolute limitation on TCP packet size is 64K (65535 bytes), but in practicality this is far larger than the size of any packet you will see, because the lower layers (e.g. ethernet) have lower packet sizes. The MTU (Maximum Transmission Unit) for Ethernet, for instance, is 1500 bytes.
Which is better to send bigger or smaller packets?
Some are saying that bigger packets are better to send then smaller. But in this app: http://media.pearsoncmg.com/aw/aw_kurose_network_2/applets/message/messagesegmentation.html The lower the packet size is, the smaller amount of time it needs to reach the destination.
Why do small packets take so long to transmit?
It’s pretty simple, each packet has some overhead. The time a packet takes to transmit is based on its size and the latency of the network. 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.
How big is the largest packet that can be sent down the Internet?
The MTU of a particular medium dictates the size of the largest packet that can be sent down it. Across the Internet this is typically 1500 bytes though this may vary if other technologies such as PPPoA are involved. If data larger than the MTU needs to be sent, the data will be fragmented into multiple packets – this takes time.
Why is video streaming suited to smaller packets?
As such, video streaming suits smaller packets and messaging may suit larger packets. The protocol you’re using dictates the size of data to send. For example, with TCP, if you had a small window size you would have more overhead for acknowledgements.