Core Internet Protocols
Network communication relies on foundational protocols operating at different layers:
- IP (Internet Protocol): Delivers packets from source to destination based on IP addresses using best-effort delivery, offering no inherent guarantees regarding packet arrival or sequence.
- TCP (Transmission Control Protocol): Provides reliable, ordered delivery. It assigns numbers to data segments, tracks receipts with acknowledgments, and retransmits lost packets. It is suited for applications requiring high accuracy, such as web pages, email, and file transfers.
- UDP (User Datagram Protocol): Provides fast, lightweight transmission without guarantees of delivery or ordering, making it ideal for time-sensitive traffic like live video streaming, voice calls, and online gaming.
- Application Protocols: HTTP and HTTPS govern web data exchange between clients and servers, where HTTPS wraps HTTP traffic in TLS encryption. DHCP (Dynamic Host Configuration Protocol) automatically assigns IP addresses to devices as they connect to a network.
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Prep Sessions
Demystifying Network Architecture: Protocols, Addressing, and Packet Flow @ University of Michigan - Ann Arbor
Ch.1 Network Models and Architecture - Demystifying Network Architecture: Protocols, Addressing, and Packet Flow @ University of Michigan - Ann Arbor
Fundamentals of Computer Networks - Demystifying Network Architecture: Protocols, Addressing, and Packet Flow @ University of Michigan - Ann Arbor
Learn After
Match each network protocol to its primary functional description.
HTTPS protects web data exchange between clients and servers by wrapping HTTP traffic in ___ encryption.
Order the actions TCP takes to manage reliable data delivery according to the core protocol mechanics.
Identify which transport protocol should be used for the gaming session and which application protocol should be used for the account portal. Explain the justification for each choice based on their protocol characteristics.