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September 13-16, 2022
Dublin, Ireland + Virtual
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Thursday, September 15 • 11:00 - 11:40
Delta OTA Update with SWUpdate - Stefano Babic, DENX Gmbh

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Embedded Systems are become more and more complex, and the size of the whole Software running on devices increases steadily in last years. An incremental OTA update will save a lot of bandwidth if it is able to download just the changed part ("delta") of the running software. Updating full images is a very strong and reliable strategy for IOT and embedded systems, but creating a delta binary image is often a challenge. This talk will offer an overview about different mechanisms to generate delta update. It will show how to apply them to "SWUpdate" and it will present the "Delta Update" feature introduced in SWUpdate since release 2021.11. The talk will then go in details how delta update is working in SWUpdate and describe which requirements are required to get it working for your project.
Speakers
SB

Stefano Babic

Senior SW Engineer, DENX Gmbh
Dipl-.Engineer Stefano Babic graduated in Electrical Engineering from the University of Milan. His focus is on Embedded Linux, mainly but not only for the the ARM and PowerPC architectures. He is currently U-Boot custodian for NXP's i.MX processors. He is author and maintainer of... Read More →

Delta OTA Update with SWUpdate ELCE 2022 pdf
Thursday September 15, 2022 11:00 - 11:40 IST
Liffey Hall 2 (Level 1)
  Embedded Linux Conference (ELC), System Upgrades