- A computer network is a set of computers sharing resources
- Communications are commonly established using cables or radio waves
- Network nodes are identified by a network address (ex: IP address)
- That can be accompanied by a more memorable hostname
- The Internet is a global system of interconnected computer networks, with:
- Local scopes, with private network addresses (ex: LANs, RFC 1918)
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| #include <iostream> | |
| #include <chrono> | |
| #include <ratio> | |
| // m/s - SI derived unit | |
| struct Speed | |
| { | |
| long double value; | |
| }; |
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| constexpr std::string_view kAsciiHexValue = | |
| // 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 // 000 | |
| "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" // 015 | |
| "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" // 031 | |
| "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" // 047 | |
| // 48:0 57:9 // 0:9 | |
| "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\x00\x00\x00\x00\x00\x00" // 063 | |
| // 65:A 70:F // A:F | |
| "\x00\x0A\x0B\x0C\x0D\x0E\x0F\x00\x00\x00\x00\x00\x00\x00\x00\x00" // 079 | |
| "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00" // 095 |