Eh, the better option would be to run a EU and a US west team. A 10 hour time difference lets you do something like: 10am - 10pm [on call] for US West. 7am -

Eh, the better option would be to run a EU and a US west team. A 10 hour time difference lets you do something like: 10am - 10pm [on call] for US West. 7am - 7pm [on call] for EU [UTC +1] 4 days on / 3 days off. [48 hr on call, 40 hours of work] Its doable. Just expensive to cover 2 jurisdictions and maintain 4 shifts worth of people. No system is ever going to be 100% reliable and cost effective.