Device with quality controllable SAR function by upper layer instruction, LSI unit and quality control method by upper layer instruction

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• a selector for selecting the transmission frame sent from said storage means;
• and
• a cell segmentation processing means for decomposing to be processed the frame selected from said selector into cell.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• and
• a selector for selecting the transmission frame sent from said storage means,
• wherein it causes a third priority part to be constituted by said storage means and said selector.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• a selector for selecting the transmission frame sent from said storage means;
• and
• a cell segmentation processing means for decomposing to be processed the frame selected from said selector into cell,
• wherein it causes a third priority part to be constituted by said storage means and said selector.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• a selector for selecting the transmission frame sent from said storage means;
• a frame processing part interface;
• and
• a host processor interface for performing communication to the host processor.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• a selector for selecting the transmission frame sent from said storage means;
• a cell segmentation processing means for decomposing to be processed the frame selected from said selector into cell;
• a frame processing part interface;
• and
• a host processor interface for performing communication to the host processor.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage;
• means for storing therein an inputted transmission frame;
• and
• a selector for selecting the transmission frame sent from said storage means,
• wherein said device with quality controllable SAR function is LSI device.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• a selector for selecting the transmission frame sent from said storage means;
• and a cell segmentation processing means for decomposing to be processed the frame selected from said selector into cell,
• wherein said device with quality controllable SAR function is LSI device.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• a selector for selecting the transmission frame sent from said storage means;
• a frame processing part interface;
• and
• a host processor interface for performing communication to the host processor,
• wherein said device with quality controllable SAR function is LSI device.

A device with quality controllable SAR function according to upper layer instruction comprising:

• a frame storage means for executing reassembly of a frame of AAL5 (ATM Adaptation Layer Type 5) from an ATM (Asynchronous Transfer Mode) cell;
• an identification addition means for receiving a cell stream through a cell reassembly processor, and for adding an identifier on a basis of cell header information in order to introduce the cell which said frame storage means receives therein into said frame storage means or on the basis of upper layer information within a cell payload;
• a cell reassembly means for assembling the cell received by said cell reassembly processor;
• a next processing decision means having a second priority part for deciding either sending or abolition of the frame concerned on the basis of said received header on the occasion of sending the frame obtained from the cell received according to said cell reassembly processor and/or on the basis of said upper layer information within the payload;
• a storage means for storing therein an inputted transmission frame;
• a selector for selecting the transmission frame sent from said storage means;
• a cell segmentation processing means for decomposing to be processed the frame selected from said selector into cell;
• a frame processing part interface;
• and
• a host processor interface for performing communication to the host processor,
• wherein said device with quality controllable SAR function is LSI device.

A quality control method for dissolving congestion while implementing reassembly of frame of AAL5 from ATM cell employing a device with quality controllable SAR function and employing an LSI device comprising the process of:

• a first priority process for discarding low priority frame from among the frames on the basis of header information of the received cell and/or information within frame of payload, before determining reception of high priority frame;
• a second priority process for discarding frame of low priority from among the frames whose reassembly are completed in order to insure quality on the basis of cell header information of the frame whose reassembly is completed and/or on the basis of information within header of upper layer frame while supposing congestion of a frame storage means according to information quantity capable of being stored in said frame storage means, before determining reception of high priority frame;
• and
• a third priority process for deciding either loading or abolition of the frame for either transmission demand QUEUE or QUEUE transferring to a host processor according to informed processing result of the frame accompanied with the frame from said frame processing part.