Julian's Notebook - network
https://prod.jnet.julianscorner.com/
2026-04-17T12:22:46+00:00Julian's Notebook
https://prod.jnet.julianscorner.com/
https://prod.jnet.julianscorner.com/_media/wiki/dokuwiki-128.pngtext/html2023-09-18T20:00:11+00:00Anonymous (anonymous@undisclosed.example.com)Common Bandwidth Designations
https://prod.jnet.julianscorner.com/network/bandwidth
Common Bandwidth Designations
Designation Speed OC-3072, STM-1024160 GbpsOC-1536, STM-51280 GbpsOC-768, STM-25640 GbpsOC-25613.21 GbpsOC-192, STM-6410 GbpsOC-964.976 GbpsOC-48, STM-162.488 GbpsOC-361.866 GbpsOC-241.244 GbpsOC-18933.12text/html2023-09-18T20:00:11+00:00Anonymous (anonymous@undisclosed.example.com)CIDR Netmask Translation Table
https://prod.jnet.julianscorner.com/network/cidr
CIDR Netmask Translation Table
Netmask Binary CIDR Notes 255.255.255.25511111111.11111111.11111111.11111111/32Single Host255.255.255.25411111111.11111111.11111111.11111110/310 useable255.255.255.25211111111.11111111.11111111.11111100/302 useabletext/html2023-09-18T20:00:11+00:00Anonymous (anonymous@undisclosed.example.com)IPv4 Over DNS
https://prod.jnet.julianscorner.com/network/ipdns
IPv4 Over DNS
IP over DNS encapsulates IP traffic inside of DNS requests, allowing access to the Internet from behind captive portals. (coffee shops, airports, restrictive corporate network, etc.) Captive portals usually block all traffic but they allowtext/html2023-09-18T20:00:11+00:00Anonymous (anonymous@undisclosed.example.com)Network Myths
https://prod.jnet.julianscorner.com/network/netmyth
Network Myths
* The network is reliable.
* Latency is zero.
* Bandwidth is infinite.
* The network is secure.
* Topology doesn’t change.
* There is one administrator.
* Transport cost is zero.
* The network is homogeneous.