Enhanced Routing in Wireless Network using Ant Colony Optmization. Wireless Network

This field tells the host about the proper gateway, which should really be used. The packet also contains the IP header of the original packet, and the 64 first bits of data in the original packet, which is used to connect it to the proper process sending the data. The Redirect type has 4 different codes as well, these are the following. • Code 0 - Redirect for network - Only used for redirects for a whole network (e.g., the example above). • Code 1 - Redirect for host - Only used for redirects of a specific host (e.g., a host route). • Code 2 - Redirect for TOS and network - Only used for redirects of a specific Type of Service and to a whole network. Used as code 0, but also based on the TOS. • Code 3 - Redirect for TOS and host - Only used for redirects of a specific Type of Service and to a specific host. Used as code 1, but also based on the TOS in other words. TTL equals 0 The TTL equals 0 ICMP type is also known as Time Exceeded Message and has type 11 set to it, and has 2 ICMP codes available. If the TTL field reaches 0 during transit through a gateway or fragment reassembly on the destination host, the packet must be discarded ...»