Ciena Corporation

Ankit Sood

Hossein Baheri

Marc Holness

Pramod Kumar Aggarwal

Paul Curtis

Wei-Chiuan Chen

Vijay Mohan Chandra Mohan

Leela Sankar Gudimetla

Systems and methods include one or more processing devices configured to implement a Network Operating System (NOS) that is configured to switch frames, wherein the one or more processing devices are connected to a plurality of Virtual Network Functions (VNFs) configured to operate in a chain having a service flow, and wherein the NOS is configured to implement frame classification for the frames in order to distribute the frames to the plurality of VNFs, such that some of the plurality of VNFs process a subset of the frames.

Systems and methods for sideline processing in a virtual network function

A Virtual Network Function (VNF) executed on a processing device includes one or more first Terminal Access Point (TAP) interfaces which are virtual network kernel interfaces and which are each mapped to an associated second TAP interface associated with a Network Operating System (NOS), wherein the associated second TAP interface is mapped to an associated physical port; and a processor configured to receive, transmit, and process select frames via the one or more first TAP interfaces, wherein the VNF is in a sideline configuration of a service flow, only receiving and transmitting the select frames of the service flow.

Systems and methods utilize an all-or-none switchover to prevent split-brain problems in a Multi-Chassis Link Aggregation Group (MC-LAG) network. A standby node in the MC-LAG network can perform the steps of remaining in a standby state responsive to a loss of adjacency with an active node, wherein, in the standby state, all standby links between the standby node and a common endpoint are non-distributing; monitoring frames transmitted by the common endpoint to the standby node over the standby links; and determining based on the monitoring frames whether all active links between the active node and the common endpoint have failed and entering an active state with all the standby links distributing based thereon.

Growing community of inventors

San Jose, CA, United States of America

Ankit Sood