First: Transparent Fragmentation When oversized packet arrives at a gateway, the gateway breaks it up into fragments.
{"Image DocumentName": "Fragmentation First: Transparent Fragmentation", "Image ImageDescription": "When oversized packet arrives at a gateway, the gateway breaks it up into fragments. Each fragment is addressed to the same exit gateway, where the pieces are recombined. ATM networks have special hardware to provide transparent fragmentation (segmentation) of packets into cells and then reassembly of cells into packets. Transparent fragmentation is simple but has some problems such as: The exit gateway must know when it has received all the pieces, so that either a count field or an end of packet bit must be included in each packet. All packets must exit via the same gateway. Therefore, some performance may be lost. The overhead required to repeatedly reassemble and then refragment a large packet passing through a series of small- packet networks.", "Image XResolution": "37", "Image YResolution": "37", "Image ResolutionUnit": "Pixels/Centimeter", "Image Software": "SlidePlayer", "Image YCbCrPositioning": "Centered"}