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- OutboundPacket - Protocol agnostic representation of a synthetic packet to be emitted on the network. This includes information about where to emit this packet.
- InboundPacket - Protocol agnostic representation of a packet sent to the controller by a device. This enables reactive packet processing by making PacketIns available to providers and applications to use as needed, e.g. host tracking, link detection.
Model Object Dependencies
Some entities rely on the existence of other entities, as in the case of Ports, which cannot exist without a Device. Similarly, Links, and by extension, Topologies, cannot exist without Ports serving as endpoints to the Link. We therefore consider Devices to be a first-class entity in ONOS's network representations.
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