Putin isn't going to accept defeat.
Ukrainians don't want to cede territory to Putin.
The only reasonable solution is for Russia to leave Ukraine and for Putin turn himself in to an international criminal court to be tried for his myriad crimes and executed.
Al Jazeera
US and Ukraine announce ‘updated’ framework to end Russia’s war
Rubio says 'tremendous' progress made in meetings with Ukrainian officials on proposals to halt the war.