H04L49/256

Segmentation and reassembly of network packets for switched fabric networks

Reassembly of member cells into a packet comprises receiving an incoming member cell of a packet from a switching fabric wherein each member cell comprises a segment of the packet and a header, generating a reassembly key using selected information from the incoming member cell header wherein the selected information is the same for all member cells of the packet, checking a reassembly table in a content addressable memory to find an entry that includes a logic key matching the reassembly key, and using a content index in the found entry and a sequence number of the incoming member cell within the packet, to determine a location offset in a reassembly buffer area for storing the incoming member cell at said location offset in the reassembly buffer area for the packet for reassembly.

Methods and apparatus related to a distributed switch fabric
09813359 · 2017-11-07 · ·

A method of sending data to a switch fabric includes assigning a destination port of an output module to a data packet based on at least one field in a first header of the data packet. A module associated with a first stage of the switch fabric is selected based on at least one field in the first header. A second header is appended to the data packet. The second header includes an identifier associated with the destination port of the output module. The data packet is sent to the module associated with the first stage. The module associated with the first stage is configured to send the data packet to a module associated with a second stage of the switch fabric based on the second header.

DIS-AGGREGATED SWITCHING AND PROTOCOL CONFIGURABLE INPUT/OUTPUT MODULE
20230137940 · 2023-05-04 ·

An input/output module (IOM) for use within a network storage system mounted within a rack enclosure. The IOM includes a switching component configured to provide top-of-rack (TOR) switching for data to be routed from input connectors to data storage devices within the rack enclosure. The IOM also includes a protocol interface configured to convert a protocol of the data from an input data protocol (e.g., Ethernet, Fibre Channel or InfiniBand™) to a protocol for use with the storage devices (e.g., nonvolatile memory express (NVMe) and Peripheral Component Interconnect Express (PCIe)). Among other features, the IOM allows switching to be dis-aggregated from a TOR switch and distributed throughout the data network of the rack.

Management component transport protocol (MCTP) support for multiple bus segment groups
11296905 · 2022-04-05 · ·

A Management Component Transport Protocol platform management subsystem includes an internal bridge, a first segment group, and a second segment group. The first segment group is coupled to the internal bridge. The second segment group is coupled to the internal bridge and the first segment group. The first segment group has a first plurality of Peripheral Component Interconnect Express (PCIe)-based buses. The second segment group has a second plurality of PCIe-based buses, wherein based on an identification (ID)-routed packet from the first segment group to the second segment group, the internal bridge routes the ID-routed packet to the second segment group.

Segmentation and reassembly of network packets for switched fabric networks

Reassembly of member cells into a packet comprises receiving an incoming member cell of a packet from a switching fabric wherein each member cell comprises a segment of the packet and a header, generating a reassembly key using selected information from the incoming member cell header wherein the selected information is the same for all member cells of the packet, checking a reassembly table in a content addressable memory to find an entry that includes a logic key matching the reassembly key, and using a content index in the found entry and a sequence number of the incoming member cell within the packet, to determine a location offset in a reassembly buffer area for storing the incoming member cell at said location offset in the reassembly buffer area for the packet for reassembly.

MANAGEMENT COMPONENT TRANSPORT PROTOCOL (MCTP) SUPPORT FOR MULTIPLE BUS SEGMENT GROUPS
20200195469 · 2020-06-18 ·

A Management Component Transport Protocol platform management subsystem includes an internal bridge, a first segment group, and a second segment group. The first segment group is coupled to the internal bridge. The second segment group is coupled to the internal bridge and the first segment group. The first segment group has a first plurality of Peripheral Component Interconnect Express (PCIe)-based buses. The second segment group has a second plurality of PCIe-based buses, wherein based on an identification (ID)-routed packet from the first segment group to the second segment group, the internal bridge routes the ID-routed packet to the second segment group.

Segmentation and reassembly of network packets for switched fabric networks

Reassembly of member cells into a packet comprises receiving an incoming member cell of a packet from a switching fabric wherein each member cell comprises a segment of the packet and a header, generating a reassembly key using selected information from the incoming member cell header wherein the selected information is the same for all member cells of the packet, checking a reassembly table in a content addressable memory to find an entry that includes a logic key matching the reassembly key, and using a content index in the found entry and a sequence number of the incoming member cell within the packet, to determine a location offset in a reassembly buffer area for storing the incoming member cell at said location offset in the reassembly buffer area for the packet for reassembly.

SEGMENTATION AND REASSEMBLY OF NETWORK PACKETS FOR SWITCHED FABRIC NETWORKS
20190356610 · 2019-11-21 ·

Reassembly of member cells into a packet comprises receiving an incoming member cell of a packet from a switching fabric wherein each member cell comprises a segment of the packet and a header, generating a reassembly key using selected information from the incoming member cell header wherein the selected information is the same for all member cells of the packet, checking a reassembly table in a content addressable memory to find an entry that includes a logic key matching the reassembly key, and using a content index in the found entry and a sequence number of the incoming member cell within the packet, to determine a location offset in a reassembly buffer area for storing the incoming member cell at said location offset in the reassembly buffer area for the packet for reassembly.

Dis-aggregated switching and protocol configurable input/output module

An input/output module (IOM) for use within a network storage system mounted within a rack enclosure. The IOM includes a switching component configured to provide top-of-rack (TOR) switching for data to be routed from input connectors to data storage devices within the rack enclosure. The IOM also includes a protocol interface configured to convert a protocol of the data from an input data protocol (e.g., Ethernet, Fibre Channel or InfiniBand) to a protocol for use with the storage devices (e.g., nonvolatile memory express (NVMe) and Peripheral Component Interconnect Express (PCIe)). Among other features, the IOM allows switching to be dis-aggregated from a TOR switch and distributed throughout the data network of the rack.

NETWORK ARCHITECTURE WITH HARMONIC CONNECTIONS
20250016117 · 2025-01-09 ·

A computer network organized in a logical grid having rows and columns can include network nodes coupled according to harmonics. Each network node can be coupled to network nodes of the same row using a set of horizontal strands according to a set of horizontal harmonics. Each of the horizontal harmonics specifies a node distance along the row between adjacent connection points on the corresponding horizontal strand. Each network node can also be coupled to network nodes of the same column using a set of vertical strands according to a set of vertical harmonics. Each of the vertical harmonics specifies a node distance along the column between adjacent connection points on the corresponding vertical strand.