Editing Network layer (section)

{{Short description|Third layer of the OSI model}}
{{redirect|Layer 3|the MPEG-1 Audio format|MP3|the layer in the cerebral cortex|Cerebral cortex#Layered_structure}}
{{more footnotes|date=October 2009}}
{{OSIModel}}
In the seven-layer [[OSI model]] of [[computer networking]], the '''network layer''' is '''layer 3'''. The network layer is responsible for [[packet forwarding]] including [[routing]] through intermediate [[Router (computing)|routers]].<ref>{{cite web|url=http://searchunifiedcommunications.techtarget.com/definition/layer-3 |title=Layer 3 |publisher=techtarget.com |access-date=2017-05-11}}</ref>