First data is received on a plurality of data lanes of a physical link and a stream signal corresponding to the first data is received on a stream lane identifying a type of the first data. A first instance of an error detection code of a particular type is identified in the first data. Second data is received on at least a portion of the plurality of data lanes and a stream signal corresponding to the second data is received on the stream lane identifying a type of the second data. A second instance of the error detection code of the particular type is identified in the second data. The stream lane is another one of the lanes of the physical link and, in some instance, the type of the second data is different from the type of the first data.

There is provided a communication apparatus, including: a transmission/reception unit that transmits/receives a signal to/from a different communication apparatus; and a recovery signal transmission instruction unit that instructs the transmission/reception unit to transmit a recovery signal for recovering communication with the different communication apparatus that is out of working order, the recovery signal including at least a first command, the first command prescribing that no processing is to be executed in the different communication apparatus that is in working order.

First data is received on a plurality of data lanes of a physical link and a stream signal corresponding to the first data is received on a stream lane identifying a type of the first data. A first instance of an error detection code of a particular type is identified in the first data. Second data is received on at least a portion of the plurality of data lanes and a stream signal corresponding to the second data is received on the stream lane identifying a type of the second data. A second instance of the error detection code of the particular type is identified in the second data. The stream lane is another one of the lanes of the physical link and, in some instance, the type of the second data is different from the type of the first data.

Enabling a protocol for efficiently and reliably using the NVME protocol over a network, referred to as NVME over Network, or NVMEoN, may include an NVMEoN exchange layer for handling exchanges between initiating and target nodes on a network, a burst transmission protocol that provides guaranteed delivery without duplicate retransmission, and an exchange status block approach to manage state information about exchanges.

A control network communication arrangement includes a second protocol embedded into a first protocol in a way that modules supporting the second protocol may be aware of and utilize the first protocol whereas modules supporting only the first protocol may not be aware of the second protocol. Operation of modules using the second protocol does not disturb operation of the modules not configured to use or understand the second protocol. By one approach, unique additional information is embedded into an end of frame portion of a message to confirm that the portion is the end of frame portion. This acts as a quality check confirming proper synchronization and decoding of the signaling on the communication bus.

A method for assigning an input channel of a signal analyzer to a signal decoder has the steps of analyzing a digital representation of a signal received by an input channel and generating a characteristic signal parameter of the signal. The parameter is compared to expected values and the corresponding input channel is assigned to the signal decoder according to the result of the comparison. Further, a signal analyzer for measuring a bus signal is shown.

Methods of operating a serial data bus divide series of data bits into sequences of one or more bits and encode the sequences as N-level symbols, which are then transmitted at multiple discrete voltage levels. These methods may be utilized to communicate over serial data lines to improve bandwidth and reduce crosstalk and other sources of noise.

The present disclosure provides a method, a device, electronic equipment, and a storage medium for data transmission, wherein the method includes sending data acquisition commands to a plurality of target devices and turning on a timer; for any first target device of the plurality of target devices, detecting whether there is first target data transmitted by the first target device on the bus within a preset timing time; if yes, performing a data verification on the first target data and determining a communication flag bit of the first target device based on the check result; and determining whether to receive the first target data transmitted by the first target device based on the communication flag bit of the first target device.

In accordance with an embodiment, a method of transferring data includes determining, by a first device, a data check field of a data frame based on a predetermined identification field and a plurality of data bits, wherein the predetermined identification field represents at least one of a content, source or target of the plurality of data bits; and transmitting, by the first device to a second device, the data frame comprising the plurality of data bits and the data check field without directly transmitting the predetermined identification field.

Enabling a protocol for efficiently and reliably using the NVME protocol over a network, referred to as NVME over Network, or NVMEoN, may include an NVMEoN exchange layer for handling exchanges between initiating and target nodes on a network, a burst transmission protocol that provides guaranteed delivery without duplicate retransmission, and an exchange status block approach to manage state information about exchanges.