OFC 2016: Multilayer Restoration Takes Center Stage

We went to OFC 2016 with very high expectations. After all, we were about to demonstrate in Anaheim, California, the world’s first multilayer, multivendor automatic restoration of a fiber cut. Nevertheless, we were overwhelmed by the responses of operators, vendors, and analysts. In our booth and outside it, multilayer control was a major theme in…

Reporting Back from ONS 2015

We just came back from the Open Networking Summit (ONS ’15). The event was quite interesting, both in terms of the exhibit floor and the talks. There was good participation, albeit more on the vendor side than the customer side. My main impression is that SDN technologies and solutions are moving from testbeds and concepts…

A Multilayer Perspective on OFC 2015

OFC was very exciting this year with lots of exhibitors and visitors, and lots of creative ideas in talks and in products. Overall Impression Multilayer networking and centralized control (which is what SDN means at the end of the day) have been widely discussed at OFC. The value of multilayer control has now been validated…

Why Cloud Burst Requires Multilayer Control

Datacenter applications occasionally require moving many terabytes of data between datacenters across a wide-area network. This might be needed for better distribution of the workload, for migration of a customer from one cloud provider to another due to failures or maintenance activities, or in preparation for large-scale disasters, such as storms (disaster preparedness). Moving such…