Service chaining in a cloud environment using Software Defined Networking

L Beliveau, C Truchan, S Krishnan - US Patent 9,363,180, 2016 - Google Patents
A system and method for steering traffic through a set of services is provided. A service path
or service chain is assigned to a received packet based on a classification of the packet and
correlation of the packet with a traffic flow. A new service chain identifier can be created if no
such correlation exists. A next service type and a particular instance of the next service type
can be determined in accordance with the service chain identifier. A next destination for the
traffic can be set in accordance with the instance of the next service.

Service chaining in a cloud environment using software defined networking

L Beliveau, C Truchan, S Krishnan - US Patent 9,590,907, 2017 - Google Patents
A system and method for steering traffic through a set of services is provided. A service path
or service chain is assigned to a received packet based on a classification of the packet and
correlation of the packet with a traffic flow. A new service chain identifier can be created if no
such correlation exists. A next service type and a particular instance of the next service type
can be determined in accordance with the service chain identifier. A next destination for the
traffic can be set in accordance with the instance of the next service.
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