NETWORK DISCOVERY WITH SWIFT

NETWORK DISCOVERY WITH SWIFTAlexandre Tavares iOS Developer at STRV

DNS-SD and mDNS

2

DNS-SDDNS Service Discovery is a way of using standard DNS programming interfaces servers and packet formats to browse the network for services

DNS Service Discovery is compatible with but not dependent on Multicast DNS

3httpwwwdns-sdorg

4

httpswwwmaterialuicomaterialIconshardwarecast_white_576x576png1049697_googlecast_tcp

DNS-SD

_googlecast_tcp

_airplay_tcp

_spotify-connect_tcp

mDNSMulticast DNS is a way of using familiar DNS programming interfaces packet formats and operating semantics in a small network where no conventional DNS server has been installed

5httpwwwmulticastdnsorg

6

macbooklocal

httpswwwmaterialu1049697

printerlocal

televisionlocal

Who is macbooklocal

7

macbooklocal

httpswwwmaterialu1049697

printerlocal

televisionlocal

192168020

macbooklocals IP is 192168020

8

macbooklocal

httpswwwmaterialu1049697

printerlocal

televisionlocalbull _googlecast_tcplocalbull _airplay_tcplocalbull _spotify-connect_tcplocal

bull _ipp_tcplocal

bull _plexmediasvr_tcplocalbull _spotify-connect_tcplocal

any googlecasthere

9

macbooklocal

httpswwwmaterialu1049697

printerlocal

televisionlocalbull _googlecast_tcplocalbull _airplay_tcplocalbull _spotify-connect_tcplocal

bull _ipp_tcplocal

bull _plexmediasvr_tcplocalbull _spotify-connect_tcplocal

yeptelevisionlocal

BONJOURCombines mDNS and DNS-SD to provide zero configuration networking

Also works over P2P bluetooth and WiFi

10

BONJOUR SUPPORT

11

FRAMEWORKS

12

13

FOUNDATION

NetService

SDKsbull iOS 20+bull macOS 102+bull tvOS 90+

NetServiceBrowser

NETWORK

SDKsbull iOS 130+Beta

bull macOS 1015+Beta

bull tvOS 130+Beta

bull watchOS 60+Beta

bull Xcode 110+Beta

SDKsbull iOS 120+bull macOS 1014+bull tvOS 120+bull watchOS 50+bull Xcode 100+

NWListener

NWConnection

NWBrowser

DEMO

14

USAGE

15

HOW TO START

16

NWListener

NWConnection

NWBrowserNetService

NetServiceBrowser

Foundationframework Networkframework

17

httpsgithubcomAlTavaresCiao

THATrsquoS ITAlexandre Tavares

alexandretavaresstrvcom

QUESTIONS