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    INTRA-VLAN TRAFFIC FILTERING IN A DISTRIBUTED WIRELESS NETWORK
    1.
    发明公开
    INTRA-VLAN TRAFFIC FILTERING IN A DISTRIBUTED WIRELESS NETWORK 审中-公开

    公开(公告)号：US20240223532A1

    公开(公告)日：2024-07-04

    申请号：US18090053

    申请日：2022-12-28

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Haifeng Zhang ,  Hao Lu ,  Xuanhe Zhang ,  Hong Song

    IPC: H04L9/40

    CPC classification number: H04L63/0236 ,  H04L63/0876 ,  H04L63/1466

    Abstract: An access point (AP) in an AP cluster is provided. During operation, the AP can identify a set of Internet Protocol (IP) addresses of permitted devices in a virtual local area network (VLAN) of the AP cluster from a first set of packets. The AP can also identify a set of media access control (MAC) addresses corresponding to the set of IP addresses from a second set of packets. The AP can then generate a whitelist comprising the sets of IP and MAC addresses. The whitelist can indicate addresses of packets permitted to be forwarded via the wireless interface. The AP can identify a target IP address in an Address Resolution Protocol (ARP) request. If the target IP address is absent in the whitelist, the AP can preclude the wireless interface from forwarding the ARP request to clients wirelessly coupled to the wireless interface.

    CONTROLLING NETWORK TRAFFIC PERTAINING TO A DOMAIN NAME BASED ON A DNS-IP MAPPING
    2.
    发明申请
    CONTROLLING NETWORK TRAFFIC PERTAINING TO A DOMAIN NAME BASED ON A DNS-IP MAPPING 有权

    公开(公告)号：US20220353235A1

    公开(公告)日：2022-11-03

    申请号：US17242551

    申请日：2021-04-28

    Applicant: HEWLETT PACKARD ENTERPRISE DEVELOPMENT LP

    Inventor： Haifeng Zhang ,  Hao Lu ,  Mohan Ram Bhadravati Ramakrishna Bhat ,  Xiaoding Shang

    IPC: H04L29/12 ,  H04L12/851

    Abstract: Some examples relate to controlling network traffic pertaining to a domain name based on a Domain Name System-Internet Protocol address (DNS-IP) mapping, An example includes receiving, in a cloud computing system, a local DNS-IP mapping for a domain name from respective Access Points (APs) in a virtual local area network (VLAN) along with geographical information of respective APs; generating a global DNS-IP mapping database comprising the local DNS-IP mapping for the domain name received from respective APs in the VLAN along with geographical information of respective APs, in the cloud computing system; and determining appropriate APs to distribute the global DNS-IP mapping, based on location information of respective APs.

    FAST Wi-Fi ROAMING
    6.
    发明公开
    FAST Wi-Fi ROAMING 审中-公开

    公开(公告)号：US20240365179A1

    公开(公告)日：2024-10-31

    申请号：US18141139

    申请日：2023-04-28

    Applicant: Hewlett Packard Enterprise Development LP

    Inventor： Xuanhe Zhang ,  Haifeng Zhang ,  Hong Song

    IPC: H04W36/00

    CPC classification number: H04W36/0016 ,  H04W36/00835 ,  H04W36/037

    Abstract: One aspect can provide a system and method for fast Wi-Fi roaming. The system can identify forwarding data associated with a first active session of a first application running on a client device coupled to a home access point (AP), determine a number of neighboring APs comprising a target AP, maintain a roaming cache on each of the neighboring APs, and synchronize the identified forwarding data associated with the first active session to the roaming cache on each neighboring AP. In response to determining that the client device is roaming to the target AP, the system can access the roaming cache on the target AP to obtain the forwarding data associated with the first active session in order to continue the first active session on the client device with reduced roaming latency, thereby facilitating fast roaming of the client device from the home AP to the target AP.

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