User:Rouslan.kv/DNS vs IP vsMAC
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MAC | DNS | IPv4 | |
---|---|---|---|
Internet Protocol Suite Layer | Link layer | Application layer | Internet layer |
Uniqueness | theoretically unique | absolutely unique | unique in the same network |
Address size | 48-bit | 127 levels 63 chars each but may not exceed the length of 253 characters in its textual representation | 32 bit |
Purpose | Device physical address | domain- to IP-address mapping | Host address withing the same network |