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Multi-Tenant NATting for Segregating Traffic Through a Cloud Service

  • US 20130103834A1
  • Filed: 10/21/2011
  • Published: 04/25/2013
  • Est. Priority Date: 10/21/2011
  • Status: Abandoned Application
First Claim
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1. An apparatus configured to perform multi-tenant NATting for segregating customer traffic through a cloud service, the apparatus including:

  • a memory;

    one or more network interfaces;

    one or more processors; and

    computer program code stored on a non-transitory storage medium, the computer program code including computer-readable instructions operative, when executed, to cause the one or more processors toperform network address translation (NAT) on first and second data packets as they are transmitted between the cloud service and a plurality of subnets, the NAT being performed to translate each of a plurality of first private network IP addresses from the plurality of subnets into a second private network IP address for use within the cloud service after said first data packets are received from the plurality of subnets and to translate the second private network IP address back into a corresponding one of the plurality of first private network IP addresses before said second data packets are sent to the plurality of subnets; and

    perform network address and port translation (NAPT) on the first and second data packets as they are transmitted between the cloud service and one or more remote hosts, the NAPT being performed to translate a first public network IP address for the one more remote hosts into the second private network IP address after said second data packets are received from the one or more remote hosts and to translate the second private network IP address into a second public network IP address for the cloud service before sending said first data packets to the one or more remote hosts.

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