If you mean TCP or UDP data packets, then no, they make up every data transmission on the net.
data packets is a kind of packets of data. a groop of bits that is together in a groop.
Packets Words
Data packets that are in a group and sent together are called a frame. Data packets do not have to travel through unnecessary nodes so they can be sent quickly.
No, compacting Outlook emails does not harm them. Compacting emails simply reduces the size of the Outlook data file, which can help improve performance and free up disk space. Compacting emails does not delete any emails, but it does remove any deleted items from the data file.
The receiving computer uses each packets identification number to reassemble in the correct order the packets that make of the data stream.
Basically Its a transmission system that sends packets of data across a link and then waits until it has received signals back from the recipient to show successful transmission of all data packets in that window (set size of a number of data packets). Any packets that don't receive a successful transmission flag are resent before the window progresses to the next set of data packets.
It is used to keep track of the data packets being sent to and from hosts.
Packets relate to the sending and receiving of batches of data between two devices.
Packets are never repeated in a network because information in their headers will always change (sequence id, checksums, etc.). The data may be repeated, but that is only a part of the packet.
data packets
data packets
Yes, there is activity; packets do not have to be generated for the sole purpose of carrying data. Some protocols, such as DHCP, or DNS, or ARP generate informational packets and are not carrying data. It is rare for a network to not transmit packets for long periods of time.