| 摘要 |
The alternate use of data packet fields to convey other packet information is disclosed. A data packet is sent by a first adapter, such as a host channel adapter (HCA), to a second adapter, such as a target channel adapter (TCA), over a network, such as input/output (I/O) network like an InfiniBand I/O network. The packet is sent for routing over another network, such as a communication network like an Ethernet network. The packet has a first part intended to signify a packet type, but actually conveys other packet information. The first part may be intended to have a value greater than or equal to a predetermined number to signify the type, but actually have a value less than the predetermined number to convey other packet information. The first packet part may be a raw datagram header, and may have an Ethertype field.
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