Juniper Networks, Inc.

Mohini Dukes

Jerome Pascal Moisand

Chandra Pandey

Vijay Kamisetty

A network device includes an internal policy engine that makes local policy decisions for packet flows and controls policies applied by service modules and forwarding components of the network device. The policy engine interacts with an external policy server to receive policies using software defined networking (SDN) protocol as if the data plane of the network device were directly exposed to the external policy server by the SDN protocol.

Policy control using software defined network (SDN) protocol

In one example, a method includes receiving, with a network device, a portion of a subscriber session packet flow for a subscriber session, and reassembling application-layer data from data packets in the subscriber session packet flow into one or more application flows for the subscriber session. The method includes identifying, from the application flows, application identity information for the application flows, and applying a first session policy to the subscriber session. Applying the first session policy includes applying one or more application policies to the application flows in the subscriber session based on subscriber information and the application identity information for the application flows. The method includes processing the application flows in the subscriber session for accessing a packet data network in accordance with the application policies.

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Chelmsford, MA, United States of America

Mohini Dukes