http2 - In which layer is HTTP in the OSI model? - Stack Overflow
HTTP is in the Application layer of the Internet protocol suite model and in the Session Layer of the OSI Model. The Session layer of the OSI Model is responsible for creating and managing sessions and is the first layer that passes data. HTTP can redirect sessions, reuse them and have persistent connections. answered Aug 5, 2021 at 18:39.
network programming - OSI Layers explained - Stack Overflow
Feb 1, 2017 · Physical layer (in original OSI model) is just your cables and network equipment. Pretty much the only people who still talk about OSI is network techs. They may still say Layer 2 or Layer 3 switches, etc which is in reference to OSI.. Layer 2 is an ethernet switch, a layer 3 switch adds routing.
Are we using TCP/IP or OSI in internet? - Stack Overflow
Feb 17, 2012 · OSI is just a theoretical model, it has never been implemented 1:1 in a real world scenario. TCP/IP is an "implementation" of the OSI model. The OSI model was developed by researchers. It only exists on paper. Afterwards TCP/IP was created by using the principles that were described in the OSI model.
Serial Protocols and the OSI Model - Stack Overflow
Apr 24, 2017 · serial protocol in the osi model. In this web page a found this explanation: "In the International Organization for Standardization Open Systems Interconnection (ISO/OSI) model for network communication, serial communications operates between the physical layer and the application layer. The RS–232–C standard describes the physical layer.
ip - Definition of Network Units: Fragment, Segment, Packet, …
Frame:Similar to a Packet, frames are small parts of a message in the network. a frame is the unit of data used in the OSI model’s data link layer. Datagram:The datagram represents a data unit of transfer in networking. Data transmitted in a network is divided into smaller parts called datagrams. Transport layer.
Classifying USB Protocol in the OSI Model - Stack Overflow
The Physical layer includes specifications for things such as connectors, cables, power, and shielding. The logical functions of USB protocols do not map perfectly onto the OSI model. Some protocols span two or three layers of the OSI model. But, it's possible to see which parts of which protocols fit in which layers.
At what layer in the protocol stack does DNS happen?
Feb 12, 2014 · 25. DNS is a protocol that arguably sits at the application-level, but is a separate application in and of itself that makes use of the whole TCP/IP "stack". (LDAP is similar, if that helps "place" DNS.) It's a fundamental "phone book"-like directory for the Internet and has absolutely nothing specific to do with the HTTP protocol.
OSI model - What's the presentation and session layer for?
The session layer is meant to store states between two connections, like what we use cookies for when working with web programming. The presentation layer is meant to convert between different formats. This was simpler when the only format that was worried about was character encoding, ie ASCII and EBCDIC. When you consider all of the different ...
Difference between PACKETS and FRAMES - Stack Overflow
Dec 6, 2019 · A packet is a general term for a formatted unit of data carried by a network. It is not necessarily connected to a specific OSI model layer. For example, in the Ethernet protocol on the physical layer (layer 1), the unit of data is called an "Ethernet packet", which has an Ethernet frame (layer 2) as its payload. But the unit of data of the ...
network programming - How does a packet travel from one …
Apr 21, 2013 · where the multiple routers are shown to represent the Internet, what happens at the OSI layer level, when Machine A send a packet (say a simple "ls" command over FTP) to Machine B. The above is just a suggested example, but if any one can explain with any other network topology, that is fine too.