IP is a layer 3 (network layer) protocol used for routing
The network layer (Internet Layer in TCP/IP model) is the second layer of the TCP/IP model. IP (Internet Protocol), ARP (Address Resolution Protocol), RARP (Reverse Address Resolution Protocol), ICMP (Internet Control Message Protocol) and IGMP (Internet Group Management Protocol) are the protocols at this layer. http://www.omnisecu.com/tcpip/internet-layer.htm
The network layer is the layer that is responsible for routing packets on the network. This is the layer in which Internet protocol operates. In the seven layer OSI model, the network layer is the third layer from the bottom.
DNS is an application layer protocol. The application layer of the OSI model is the layer closest to the user and provides network services to the applications of the user. Examples of protocols that operate at the application layer are: DNS, FTP, TFTP, SNMP, TELNET, RLOGIN, SMTP, MIME, NFS, FINGER, BOOTP and SMB.
The internet layer of the TCP/IP model is responsible for routing packets across different networks, enabling communication between devices on diverse networks. It includes the Internet Protocol (IP), which provides addressing and packet forwarding, ensuring data is sent to the correct destination. Other protocols at this layer may include the Internet Control Message Protocol (ICMP) for error handling and diagnostics. Overall, the internet layer facilitates the fundamental connectivity of the internet.
TCP, the Transmission Control Protocol, is a layer-4 protocol (in the 7-layer OSI model).
FTP (File Transfer Protocol) is an application layer, or Layer 7, protocol.
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The network layer is the third level of the Open Systems Interconnection or the OSI model. The protocols that are implemented at this layer which carry user data include: Internet Protocol version 4 (IPv4), Internet Protocol version 6 (IPv6) and Novell Internetwork Packet Exchange (IPX).
Ethernet is a data link layer protocol - layer 2
tcp is the transport control protocol and ip is the internet protocol. tcp is concerned with guaranteed delivery of packets from source to destination, while ip is the protocol used to actually deliver packets. tcp is located at layer 4 of the osi model, or the transport layer. ip is located at layer 3 of the osi model, or the network layer. check out the video tutorials in the link below.
Network Layer
In the OSI model, the Internet Protocol (IP) operates primarily at the Network layer, which is the third layer. This layer is responsible for routing packets of data across different networks and ensuring they reach their destination. The Network layer handles logical addressing, which is where IP addresses come into play, facilitating communication between devices on different networks. Additionally, protocols such as ICMP (Internet Control Message Protocol) also function at this layer to manage error handling and diagnostics.