Transcript DNS Alphabet Soup

DNS Alphabet Soup
IPv6
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Increases packet size
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Both transport and question/answer sections
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Preference: goes first
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Fragmentation done by end points (ICMPv6!)
DNSSEC
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Created to add security to server answers
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Needs chain of trust (from root, now signed)
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Manual periodic updates by server operator
(zone owner, and recursive as well)
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Significant increase in packet size
EDNS
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Added size of DNS packets
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TCP transport
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Fragmentation may be needed – caution Ipv6
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Real servers need to support it (not your home
router)
Latency issue – especially for mobile operator
IDN
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домены.на.другом.языке
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Confusion by user and operator possible
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Variant IDNs coming – more confusion?
Conclusion
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Challenges: DNS in new ISP service
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If it works, your customers happy as before
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If not, they look elsewhere
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Technology keeps changing – be aware
Contacts
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Dmitry Kohmanyuk
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http://kohmanyuk.tel/
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[email protected]