Examples of using Data unit in English and their translations into Japanese
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Colloquial
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Ecclesiastic
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Computer
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Programming
The switch sends response LACP data unit each time it receives LACP data unit from host h1.
Using the_create_lacp() method called there, a response LACP data unit is created.
The communication monitoring time of the LACP data unit was changed(in this case, the default state of 0 seconds was changed to LONG_TIMEOUT_TIME 90 seconds).
When the waiting time of the no communication timeout was changed, a flow entry to send Packet-In is re-registered when the LACP data unit is received.
On the receive-side chain, the transceiver decodes the PHY layer of the received waveforms and passes the corresponding MAC Protocol Data Unit(MPDU) to the MAC layer, which processes data and acknowledgment frames.
MACFrameDecoder function accepts a MAC Protocol Data Unit(MPDU) in bits and outputs a lrwpan. MACFrameConfig object describing the frame and possibly a NET-layer frame in bytes.
This means that the attacker can read any Protocol Data Unit(PDU) on the network and undetectably remove, change, or inject forged packets onto the wire.
If an LACP data unit cannot be received for a certain period of time, the flow entry that uses the physical interface and after that flow entries that use the interface are not registered.
In the above source, when an LACP data unit is received by a port in the disabled state, the user-defined event called EventSlaveStateChanged is sent, which indicates that the port state has been changed.
As explained in Implementing the LACP Library, the LACP library sends a Packet-In message that does not contain the LACP data unit as a user-defined event called EventPacketIn.
In the above source, the flow entry that“sends Packet-In when the LACP data unit is received form the counterpart interface” is set with the highest priority with no communication monitoring time.
Scalability: The capability to scale the solution vertically and horizontally within minutes resulted in 50 percent growth in use, while concurrently reducing the cost of data unit transfers.
If the port that received an LACP data unit is in disabled state, it is changed to enabled state and the state change is notified by the event.
Processing when the exchange of LACP data units is resumed with the disabled interface is achieved by the handler of the Packet-In message to determine and change the enable/disable state of the interface upon receiving a LACP data unit.
The LACP library monitors no communication by setting three times the exchange interval(SHORT_TIMEOUT_TIME is 3 seconds, and LONG_TIMEOUT_TIME is 90 seconds) as idle_timeout for the flow entry sending Packet-In when an LACP data unit is received.
When an LACP data unit is received, after performing“Processing Accompanying Port Enable/Disable State Change” or“Registering Flow Entry Sending Packet-In of an LACP Data Unit”, processing creates and sends the response LACP data unit. .
The processing of 2 above is explained in Registering Flow Entry Sending Packet-In of an LACP Data Unit in a later section and the processing of 3 above is explained in Send/Receive Processing for LACP DATA Unit in a later section, respectively.
If no LACP data unit is received for a predetermined period of time, the physical interface is disabled. Because of this processing, by setting idle_timeout for the flow entry that performs Packet-In of the LACP data unit, when timeout occurs, by sending the FlowRemoved message, it is possible for the OpenFlow controller to handle it when the interface is disabled.