9_28_IP_TCP_UDP

9_28_IP_TCP_UDP - IP Subnet or Host A subnet is a...

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IP Subnet or Host A subnet is a collection of ip address with a common prefix CIDR: a.b.c.d/n The internet is organized into subnets. Concept of protocol layering . Internet is a bunch of layered protocol. “Middle layer” – center : internet protocol A packet is a sequence of bits. IP header: source address a.b.c.d/n , where its from A local network would have its own protocol, its own networking scheme. Frames, mac address, layer 2 address Ethernet standard Ethernet protocol You give it frames, it moves frames over Ethernet Paylow Envelope inside a envelope. Ethernet/ packet TCP and UDP two main protocols of the internet that are layered upon IP Wireshark- software for network protocol analyzer. It’s like a “packet editor”
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IP: layer 3 UDP/TCP layer 4 transport layer/ multiplexing Ethernet: layer 2 Wires: layer 1 Udp protocol: bind to some particular port then send a udp packet with this ip address, deliver this packet, using the udp protocol to that host using a certain port
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9_28_IP_TCP_UDP - IP Subnet or Host A subnet is a...

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