Abstract: An approach for dynamically distributing RSS engines to virtual machines based on flow data is disclosed. A method comprises receiving first absolute counts of data packets that belong to at least one data flow. Flow load indicator values are computed based on the first absolute counts, and stored in a lookup table. A sorted table is generated by sorting entries of the lookup table. A first count of filters that can be applied on RSS engines is determined. A second count of data flows in the sorted table and having corresponding flow load indicator values exceeding a threshold value is determined. If the second count exceeds the first count, then the first count of data flows is selected from the sorted table. The first count of filters that correspond to the data flows is determined, and the first count of the filters is assigned to at least one RSS engine.

Abstract: An approach for dynamically distributing RSS engines to virtual machines based on flow data is disclosed. A method comprises receiving first absolute counts of data packets that belong to at least one data flow. Flow load indicator values are computed based on the first absolute counts, and stored in a lookup table. A sorted table is generated by sorting entries of the lookup table. A first count of filters that can be applied on RSS engines is determined. A second count of data flows in the sorted table and having corresponding flow load indicator values exceeding a threshold value is determined. If the second count exceeds the first count, then the first count of data flows is selected from the sorted table. The first count of filters that correspond to the data flows is determined, and the first count of the filters is assigned to at least one RSS engine.

Abstract: An approach for a dynamic provisioning of multiple RSS engines is provided. In an embodiment, a method comprises monitoring a CPU usage of hardware queues implemented in a plurality of RSS pools, and determining whether a CPU usage of any hardware queue, implemented in a particular RSS pool of the plurality of RSS pools, has increased above a threshold value. In response to determining that a CPU usage of a particular hardware queue, implemented in the particular RSS pool, has increased above the threshold value, it is determined whether the particular RSS pool includes an unused hardware queue (a queue with light CPU usage). If such an unused hardware queue is presented, then an indirection table that is associated with the particular RSS pool is modified to remap one or more data flows from the particular hardware queue to the unused hardware queue.

Abstract: Described herein are systems, methods, and software to enhance flow operations on a host computing system. In one implementation, a virtual switch on a host identifies a packet from a virtual node. In response to identifying the packet, the virtual switch determines whether the packet corresponds to a cached result action based on traits of the packet. If the packet corresponds to a cached result action, then the virtual switch may process the packet in accordance with the cached result action. In contrast, if the packet does not correspond to a cached result action, then the virtual switch may process the packet in accordance with first flow operations to determine a result action, and cache the result action for use with future packets.

Abstract: Described herein are systems, methods, and software to enhance the management of packet filters for host computing systems. In one implementation, a computing system may identify media access control (MAC) addresses and communication statistics for virtual nodes communicating over physical network interfaces of the computing system. The computing system may further prioritize the MAC addresses based on the virtual network interface ports and physical network interface ports that the MAC addresses were identified on, and generate a filter configuration for the physical network interfaces based on the prioritization and the communication statistics.

Abstract: Described herein are systems, methods, and software to enhance the management of packet filters for host computing systems. In one implementation, a computing system may identify media access control (MAC) addresses and communication statistics for virtual nodes communicating over physical network interfaces of the computing system. The computing system may further prioritize the MAC addresses based on the virtual network interface ports and physical network interface ports that the MAC addresses were identified on, and generate a filter configuration for the physical network interfaces based on the prioritization and the communication statistics.

Abstract: A method of selecting an egress interface for a source process running on an electronic device is provided. The device implements a TCP/IP stack utilized by a plurality of applications for sending network packets. The method receives a packet from a particular application in the plurality of applications to send to a network destination over a socket tagged with an identifier of the particular application. The method compares the socket tag with a set of network egress interface tags. Each network egress interface tag is associated with a network egress interface in a plurality of network egress interfaces. Each network egress interface tag includes the identifier of an application that utilizes the network egress interface. The method selects a network egress interface with a tag that matches the socket tag. The method sends the packet to the network destination through the selected network egress interface.