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    • 2. 发明申请
    • Content Based Overload Protection
    • 基于内容的过载保护
    • US20140254368A1
    • 2014-09-11
    • US13698407
    • 2012-11-14
    • Telefonaktiebolaget LM Ericsson(publ)
    • Jiangtao ZhangBengt JohanssonSten Rune Pettersson
    • H04L12/865H04L12/851H04L12/803
    • H04L47/6275H04L47/122H04L47/2441H04L47/2483
    • Unit (1, eNB, SGW, PGW) comprising a processor (20) and interface means (10) adapted for receiving and transmitting packets (15, 17) to external units (1, eNB, SGW, PGW) over a communication interface. The interface means (10) comprises a first layer filtering means (101) operating according to first level filtering rules (1010) and first packet queues (Q1_1-Q1_n); while the processor (20) comprises at least one kernel (KL_1-KL_n), second layer filtering means (102) operating according to second level filtering rules (1020), second packet queues and applications. For a given packet received on the communication interface, the unit being adapted for delivering (12) parts the packet to the first layer filtering means (101); applying first level filtering (14); performing first sorting (16) and delivering parts of the packet according to the first level filtering rules (201) and delivering parts of the packet to one of the first packet queues (Q1_1-Q1_n) in dependence on the first sorting; the unit further being adapted for delivering (16, 18) the packet to second layer filtering means (102) from kernel or from first packet queues; applying (24) second level filtering; performing second sorting (26) of parts of the packet according to the second level filtering rules (201) and delivering (28) parts of the packet to one of the applications in dependence on the second sorting (AP_1-AP_n).
    • 包括处理器(20)和接口装置(10)的单元(1,eNB,SGW,PGW)和适于通过通信接口向外部单元(1,eNB,SGW,PGW)接收和发送分组(15,17)的接口装置(10)。 接口装置(10)包括根据第一级过滤规则(1010)和第一分组队列(Q1_1-Q1_n)操作的第一层过滤装置(101)。 而处理器(20)包括至少一个内核(KL_1-KL_n),根据第二级过滤规则(1020),第二分组队列和应用程序操作的第二层过滤装置(102)。 对于在通信接口上接收到的给定分组,该单元适于将分组(12)分发到第一层过滤装置(101); 应用一级过滤(14); 根据第一级过滤规则执行第一次排序(16)并递送分组的一部分,并根据第一次排序将分组的一部分传送到第一分组队列(Q1_1-Q1_n)中的一个; 所述单元还适于从所述内核或从第一分组队列将所述分组(16,18)传送到第二层过滤装置(102); 应用(24)二级滤波; 根据第二级过滤规则(201)执行分组的部分的第二排序(26),并且根据第二分类(AP_1-AP_n)将分组的(28)部分传送到应用程序之一。