The Linux Foundation’s annual Open Networking Summit (ONS) has become of rising interest to the mobile and telco community as the open source organization has become increasingly focused on telecoms networks. There will be coverage of the highlights in next week’s edition of Wireless Watch, but one development caught our eye even before the event started on Wednesday. This was a demonstration of network slicing, harnessing the capabilities of the open source ONAP (Open Network Automation Protocol) software, which handles the management and orchestration (MANO) of all the components in a virtualized network. Slicing based on open source orchestration is interesting in its own right, but even more so because the demo was a collaboration between AT&T – the instigator…