The Raiden Network is a layer-two protocol recently implemented on the Ethereum blockchain to facilitate "machine to machine payments on a global scale."
A demo of 100,000 transactions per second is planned for early Fall. International payment processor Visa has a max network capacity of 56,000 transactions per second...
Ethereum seems well-positioned to meet scalability challenges going forward.
Read more at CryptoCoinNews below...
https://www.cryptocoinsnews.com/ethereum-races-ahead-raidens-implementation-lightning-network/