. . . . . "Network tomography is the study of a network's internal characteristics using information derived from end point data. The word tomography is used to link the field, in concept, to other processes that infer the internal characteristics of an object from external observation, as is done in MRI or PET scanning (even though the term tomography strictly refers to imaging by slicing). The field is a recent development in electrical engineering and computer science, dating from 1996. Network tomography seeks to map the path data takes through the Internet by examining information from \u201Cedge nodes,\u201D the computers in which the data are originated and from which they are requested."@en . . . . "Network tomography is the study of a network's internal characteristics using information derived from end point data. The word tomography is used to link the field, in concept, to other processes that infer the internal characteristics of an object from external observation, as is done in MRI or PET scanning (even though the term tomography strictly refers to imaging by slicing). The field is a recent development in electrical engineering and computer science, dating from 1996. Network tomography seeks to map the path data takes through the Internet by examining information from \u201Cedge nodes,\u201D the computers in which the data are originated and from which they are requested. The field is useful for engineers attempting to develop more efficient computer networks. Data derived from network tomography studies can be used to increase quality of service by limiting link packet loss and increasing routing optimization."@en . . . . . . . . "Network tomography"@en . . "\u7DB2\u8DEF\u8A3A\u65B7"@zh . "\u7DB2\u8DEF\u8A3A\u65B7\u53C8\u79F0\u7F51\u7EDC\u65AD\u5C42\u626B\u63CF\uFF0C\u662F\u8FD1\u4EE3\u767C\u5C55\u7684\u4E00\u7A2E\u65B0\u7684\u7DB2\u8DEF\u6E2C\u91CF\u8207\u63A8\u8AD6\u65B9\u6CD5\uFF0C\u900F\u904E\u53EF\u6536\u96C6\u5230\u7684\u6709\u9650\u8CC7\u8A0A\u4F86\u63A8\u4F30\u7121\u6CD5\u89C0\u6E2C\u7684\u7DB2\u8DEF\u8CC7\u8A0A\uFF0C\u4E3B\u8981\u5206\u6210(active tomography)\u8207(passive tomography)\u5169\u985E\u554F\u984C\u3002\u88AB\u52D5\u8A3A\u65B7\u662F\u8CC7\u6599\u5F9E\u500B\u5225\u7BC0\u9EDE\u8490\u96C6\uFF0C\u53BB\u5C0B\u627E\u8DEF\u5F91\u4E0A\u7684\u8CC7\u8A0A\uFF0C\u554F\u984C\u5728\u4F30\u8A08\u8D77\u59CB\u7BC0\u9EDE\u81F3\u7D42\u7AEF\u7BC0\u9EDE\u4E4B\u6D41\u91CF\u77E9\u9663\u3002\u4E3B\u52D5\u8A3A\u65B7\u662F\u85C9\u7531\u8A2D\u7F6E\u63A5\u6536\u7BC0\u9EDE\uFF0C\u5411\u63A5\u6536\u7BC0\u9EDE\u767C\u9001\u5927\u91CF\u7684\u5C01\u5305\uFF0C\u6839\u64DA\u63A5\u6536\u7BC0\u9EDE\u6536\u96C6\u5230\u7684\u6E2C\u91CF\u6578\u64DA\uFF0C\u5206\u6790\u7DB2\u8DEF\u5167\u90E8\u6709\u8208\u8DA3\u7684\u53C3\u6578\u6216\u8B58\u5225\u7DB2\u8DEF\u62D3\u64B2\u7D50\u69CB\u3002\u800C\u884D\u751F\u51FA\u4F86\u7684\u7D71\u8A08\u554F\u984C\u7A31\u70BA(Statistical Inverse Problem)\u3002"@zh . . 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"\u7DB2\u8DEF\u8A3A\u65B7\u53C8\u79F0\u7F51\u7EDC\u65AD\u5C42\u626B\u63CF\uFF0C\u662F\u8FD1\u4EE3\u767C\u5C55\u7684\u4E00\u7A2E\u65B0\u7684\u7DB2\u8DEF\u6E2C\u91CF\u8207\u63A8\u8AD6\u65B9\u6CD5\uFF0C\u900F\u904E\u53EF\u6536\u96C6\u5230\u7684\u6709\u9650\u8CC7\u8A0A\u4F86\u63A8\u4F30\u7121\u6CD5\u89C0\u6E2C\u7684\u7DB2\u8DEF\u8CC7\u8A0A\uFF0C\u4E3B\u8981\u5206\u6210(active tomography)\u8207(passive tomography)\u5169\u985E\u554F\u984C\u3002\u88AB\u52D5\u8A3A\u65B7\u662F\u8CC7\u6599\u5F9E\u500B\u5225\u7BC0\u9EDE\u8490\u96C6\uFF0C\u53BB\u5C0B\u627E\u8DEF\u5F91\u4E0A\u7684\u8CC7\u8A0A\uFF0C\u554F\u984C\u5728\u4F30\u8A08\u8D77\u59CB\u7BC0\u9EDE\u81F3\u7D42\u7AEF\u7BC0\u9EDE\u4E4B\u6D41\u91CF\u77E9\u9663\u3002\u4E3B\u52D5\u8A3A\u65B7\u662F\u85C9\u7531\u8A2D\u7F6E\u63A5\u6536\u7BC0\u9EDE\uFF0C\u5411\u63A5\u6536\u7BC0\u9EDE\u767C\u9001\u5927\u91CF\u7684\u5C01\u5305\uFF0C\u6839\u64DA\u63A5\u6536\u7BC0\u9EDE\u6536\u96C6\u5230\u7684\u6E2C\u91CF\u6578\u64DA\uFF0C\u5206\u6790\u7DB2\u8DEF\u5167\u90E8\u6709\u8208\u8DA3\u7684\u53C3\u6578\u6216\u8B58\u5225\u7DB2\u8DEF\u62D3\u64B2\u7D50\u69CB\u3002\u800C\u884D\u751F\u51FA\u4F86\u7684\u7D71\u8A08\u554F\u984C\u7A31\u70BA(Statistical Inverse Problem)\u3002"@zh . . . . . . . . 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