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    PARTIAL REASSEMBLY AND FRAGMENTATION FOR DECAPSULATION
    21.
    发明申请
    PARTIAL REASSEMBLY AND FRAGMENTATION FOR DECAPSULATION 审中-公开

    公开(公告)号：US20170324849A1

    公开(公告)日：2017-11-09

    申请号：US15148294

    申请日：2016-05-06

    Applicant: Cisco Technology, Inc.

    Inventor： Pierre Pfister ,  Ole Troan ,  W. Mark Townsley

    IPC: H04L29/08 ,  H04L29/12 ,  H04L12/747

    CPC classification number: H04L69/324 ,  H04L45/742 ,  H04L61/2592 ,  H04L67/2842 ,  H04L2212/00

    Abstract: In one embodiment, a decapsulating network device receives a plurality of encapsulated packet fragments of an original packet, and decapsulates them into respective decapsulated packet fragments. The decapsulating network device caches an inner header of the original packet from one of the decapsulated packet fragments, and in response to caching the inner header, and for each particular decapsulated packet fragment as it is received and decapsulated: prepends the inner header and fragmentation information to the particular decapsulated packet fragment; and forwards the particular decapsulated packet fragment with the prepended inner header and fragmentation information from the decapsulating network device toward a destination of the original packet.

    Secure resource name resolution using a cache
    22.
    发明授权
    Secure resource name resolution using a cache 有权

    公开(公告)号：US09813337B2

    公开(公告)日：2017-11-07

    申请号：US13804253

    申请日：2013-03-14

    Applicant: Microsoft Corporation

    Inventor： Rob M. Trace ,  Libby Meren

    IPC: H04L29/12 ,  H04L29/06 ,  H04L12/747

    CPC classification number: H04L45/742 ,  H04L61/1511 ,  H04L61/6009 ,  H04L63/0428 ,  H04L63/0823 ,  H04L63/164

    Abstract: Techniques for securing name resolution technologies and for ensuring that name resolution technologies can function in modern networks that have a plurality of overlay networks accessible via a single network interface. In accordance with some of the principles described herein, a set of resolution parameters may be implemented by a user to be used during a name resolution process. In some implementations, when an identifier is obtained for a network resource, the identifier may be stored in a cache with resolution parameters that were used in obtaining the identifier. When a new name resolution request is received, the cache may be examined to determine whether a corresponding second identifier is in the cache, and whether resolution parameters used to retrieve the second identifier in the cache match the resolution parameters for the new resolution request. If so, the second identifier may be returned from the cache.

    Performing a multi-stage lookup to classify packets
    29.
    发明授权
    Performing a multi-stage lookup to classify packets 有权

    公开(公告)号：US09674087B2

    公开(公告)日：2017-06-06

    申请号：US14487060

    申请日：2014-09-15

    Applicant: Nicira, Inc.

    Inventor： Ethan J. Jackson ,  Jarno Rajahalme

    IPC: H04L12/743 ,  H04L29/06 ,  H04L12/721

    CPC classification number: H04L45/7453 ,  H04L45/38 ,  H04L45/742 ,  H04L69/22

    Abstract: Some embodiments provide a method for a forwarding element that forwards packets. The method receives a packet. The method performs a first stage lookup of a hash table for a first hash of a first set of header fields and un-wildcards bits of a wildcard mask that corresponds to the first set of header fields. If a matching hash is found in the first stage lookup, the method performs a second stage lookup of the hash table for a second hash of a second set of header fields and un-wildcards bits of the wildcard mask that corresponds to the second set of header fields. The method identifies a matching rule for the packet. The method generates a flow based on the matching rule and the wildcard mask, wherein the flow is used to process each other packets that match each bit which is un-wildcarded.

    Batch Processing of Packets
    30.
    发明申请
    Batch Processing of Packets 审中-公开

    公开(公告)号：US20170118114A1

    公开(公告)日：2017-04-27

    申请号：US15397696

    申请日：2017-01-03

    Applicant: Nicira, Inc.

    Inventor： Pravin Shelar ,  Jesse E. Gross, IV ,  Jarno Rajahalme

    IPC: H04L12/747 ,  H04L12/721 ,  H04L29/06

    CPC classification number: H04L45/742 ,  H04L45/38 ,  H04L69/22

    Abstract: Some embodiments provide a method for a managed forwarding element. The method receives a set of packets for processing by the managed forwarding element. For each of several packets in the set, the method associates the packet with one of several groups of other packets in the set. Each group of packets shares a set of characteristics. For each group of packets the method identifies a set of actions to perform and executes the specified set of actions on all of the packets in the group together.

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