Optimizing Your App for Today’s Internet

WWDC 2018

QUIC (Quick UDP Internet connection)

Coming Soon

• New transport protocol
• IETF Standardization in progress

TLS 1.3 (Transport Layer Security)

Coming Soon ( Testing on iOS 12 )

• App don’t need to make any changes.
• If you have tailored certificates, your server have to record your certificate authority in the public logs.

Problem

Solution

API Choices

• You can access the Network.framework directly 👍
  It’s good for when you do something with the Sockets.

HTTP/2 Connection Coalescing

Old

Every time, a server checks the certificate. (Inefficient)

New

Reuse the certificate

Reduce Request Size

HTTP Cookies

• Specify domain and path
• Smaller cookies
• Delete unwanted cookies or set expiry
• Save state on server

HTTP compression

• Gzip (HTTP, HTTPS)
• Brotli (HTTPS Only, Optimized for text and HTML)

Responsive Data Type ( Network Service Type ) 👍

• Good for a payment, checkOut request
• Slightly higher than the default

Use Background Session

• Utilizes system intelligence
• Transfers continue when your app is not running

Summary