what is the difference between a CSU/DSU and a modem?
A CSU/DSU (Channel Service Unit/Data Service Unit) is a hardware device about the size of an external modem that converts a digital data frame from the communications technology used on a local area …
OSI model peer communication - Network Engineering Stack Exchange
Dec 4, 2017 · In OSI terminology, the packet data (also known as the Payload) is called a Protocol Data Unit (PDU). The packet so-formed, called a Service Data Unit (SDU) is passed via a service access …
TCP/IP and data cut - Network Engineering Stack Exchange
Jan 31, 2024 · Ethernet) ? From layer 4 to layer 1, we have : Data (layer 4) such as a mail, becoming multiples TCP segments or UDP datagrams (layer 3), and then packets (layer 2) and finally frames …
What is the actual size of an Ethernet MTU
Apr 28, 2015 · The term maximum transmission unit (MTU) defines the maximum layer 3 packet that can be sent over a medium. Because the layer 3 packet rests inside the data portion of an Ethernet …
What are leased lines, serial lines and dedicated lines?
For instance, you can string your own copper and establish your own T1/T3 service between buildings. However, you could also pay someone to provide and maintain that line. Often leased lines have a …
What pod means? - Network Engineering Stack Exchange
Jun 4, 2016 · I read some papers with the term pod. Specially "pod switches". What pod means? This is an acronym? To what?
internet - What are the differences in the contents of datagrams ...
I'm reviewing the networking security unit of the class I'm in, and I had a question. I know that datagrams are packets at the transport layer of the OSI model, whilst frames are the name for packets in the …
Does MTU setting affect sending, receiving, or both? - network
Jul 3, 2022 · Wikipedia suggests the maximum transmission unit (MTU) is the size of the largest protocol data unit (PDU) that can be communicated in a single network layer transaction that can be …
Rate vs Capacity vs Throughput vs Bandwidth - Network Engineering …
Dec 15, 2020 · 1 I've already referred to this question & all the answers to this question: Bandwidth vs Throughput vs Data (bit) rate I'm still confused about all the terms especially due to the last …
Is the MTU of Ethernet still 1500 Bytes?
Jul 16, 2018 · Standard maximum payload size for Ethernet is still 1500 bytes. While the maximum frame size has grown slightly, from 1518 to 1522 byte with 802.1Q and further with 802.1AD, the …