!!! Overview [{$pagename}] is a [Communication Layers] and conceptual division of methods in the layered [architecture] of [protocols] in the [network] stack. !! [OSI-Model] [{$pagename}] is responsible for [packet] forwarding including [routing] through intermediate [routers], since it knows the address of neighboring [network] [nodes], and it also manages [Quality of Service] ([QoS]), and recognizes and forwards local host domain messages to the [Transport Layer] (layer 4). !! More Information There might be more information for this subject on one of the following: [{ReferringPagesPlugin before='*' after='\n' }]