Comparison Between Traditional Upgrade and Smart Upgrade

**Table 1** Comparison between traditional upgrade and smart upgrade
Item	Traditional Upgrade	Smart Upgrade
Typical usage scenario	Applies to all scenarios.	Applies to scenarios where switches can communicate with the public-network HOUP.
Upgrade method	Obtain the system software or patch. Upload the obtained system software or patch. Configure the system software or patch for next startup. Restart the switch.	Upgrade a switch in one-click mode.
Upgrade duration	Shorter	Longer
Prerequisites	The required system software or patch is ready. The maintenance personnel have O&M skills.	When a switch resides on the extranet, the switch and HOUP must be reachable to each other. When a switch resides on the intranet, a proxy server is required so that the switch and HOUP are reachable to each other.
Version support	ALL	V200R019C00 and later versions
User experience	Dedicated maintenance personnel are required, providing rather less optimal experience.	Optimal user experience
Whether rollback is supported	Supported	Supported
Whether resumable download is supported	Supported	Supported
Whether web-based operations are supported	Supported	Supported
Privacy	No personnel privacy needs to be entered.	If the smart upgrade fails, the switch reports the contact number and email address to the HOUP. NOTE: Setting the contact number and email address is optional. The contact number and email address are used only for emergency contact upon an upgrade failure.