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    • 3. 发明授权
    • IP packet error handling apparatus and method using the same, and computer readable medium having computer program for executing the method recorded thereon
    • IP数据包错误处理装置和使用该数据包的错误处理装置和方法,以及具有用于执行记录在其上的方法的计算机程序的计算机可读介质
    • US07308619B2
    • 2007-12-11
    • US10983663
    • 2004-11-09
    • Min-jae Lee
    • Min-jae Lee
    • H04L29/02H03M13/47
    • H04L1/0061H04L1/0045H04L1/0072H04L69/16H04L69/161H04L69/163
    • An error handling apparatus and method, and a computer-readable medium storing a computer program for executing the error handling method are provided. According to the method, in a case where a number of errors in object IP packets that are consecutively detected, each within a first predetermined time since a previous error detection, exceeds a maximum allowable number of errors, communication with a sending node of the erroneous IP packets during a second predetermined time is discontinued. Also, errors can be handled with reference to a cache unit including more than one entry identified by an address of a corresponding erroneous IP packet. Therefore, a network load of a receiving node can be reduced by not transmitting an internet control message protocol (ICMP) packet to a sending node where indiscriminate IP packet manipulations or denial of service (DoS) attacks are suspected during the second predetermined time.
    • 提供了一种错误处理装置和方法,以及存储用于执行错误处理方法的计算机程序的计算机可读介质。 根据该方法,在连续检测到的目标IP分组中的错误数量大于先前错误检测以来的第一预定时间内的错误数量超过最大允许错误数量的情况下,与发送节点的错误通信 在第二预定时间期间的IP分组被中断。 此外,可以参考包括由相应的错误IP分组的地址识别的多个条目的高速缓存单元来处理错误。 因此,通过不向在第二预定时间期间怀疑不加区别的IP分组操作或拒绝服务(DoS))攻击的发送节点传送因特网控制消息协议(ICMP)分组,可以减少接收节点的网络负载。
    • 4. 发明申请
    • Apparatus and method for generating checksum
    • 用于产生校验和的设备和方法
    • US20050149823A1
    • 2005-07-07
    • US11008163
    • 2004-12-10
    • Min-jae Lee
    • Min-jae Lee
    • G06F11/08G06F11/10H03M13/00H03M13/09H04L1/00
    • H04L1/0061H03M13/096H04L1/0072
    • An apparatus and method for generating a checksum. The checksum generation method includes: determining whether or not an already calculated first checksum value is identical or similar to a second checksum value for which calculation is requested; if it is determined that the values are identical or similar, reading a difference value of the first checksum value and the second checksum value from a database; and by adding the read difference value to the first checksum value, generating the second checksum value. According to the method, when a checksum value identical or similar to an already calculated checksum value is to be calculated, the calculation is not performed again and instead, by adding only the difference value, a new checksum value is generated
    • 用于产生校验和的装置和方法。 校验和生成方法包括:确定已经计算的第一校验和值是否与请求计算的第二校验和值相同或相似; 如果确定这些值相同或类似,则从数据库读取第一校验和值和第二校验和值的差值; 并且通过将读取的差值添加到第一校验和值,生成第二校验和值。 根据该方法,当要计算与已经计算的校验和值相同或类似的校验和值时,不再次执行计算,相反,通过仅添加差值,生成新的校验和值