18055450. INTER-REALM ROUTING WITHIN A SHAFT simplified abstract (Cisco Technology, Inc.)

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INTER-REALM ROUTING WITHIN A SHAFT

Organization Name

Cisco Technology, Inc.

Inventor(s)

Eric Levy- Abegnoli of Valbonne (FR)

Pascal Thubert of Roquefort les Pins (FR)

INTER-REALM ROUTING WITHIN A SHAFT - A simplified explanation of the abstract

This abstract first appeared for US patent application 18055450 titled 'INTER-REALM ROUTING WITHIN A SHAFT

Simplified Explanation

The abstract describes a system for forwarding packets between parallel IPv4 networks by encapsulating an IP packet with an outer header and an inner header, routing it through a shaft spanning a subset of addresses in the source realm, swapping headers upon reaching the shaft, and forwarding the packet to the destination realm.

  • Encapsulating IP packets with outer and inner headers
  • Routing packets through a shaft spanning a subset of addresses in the source realm
  • Swapping headers upon reaching the shaft in the source realm
  • Forwarding packets to the destination realm
  • Swapping headers again upon reaching the destination realm
  • Forwarding packets to the destination node

Potential Applications

This technology could be applied in:

  • Data centers
  • Cloud computing environments
  • Network infrastructure

Problems Solved

This technology helps solve:

  • Efficient packet forwarding between parallel IPv4 networks
  • Addressing challenges in routing packets
  • Ensuring secure and reliable packet delivery

Benefits

The benefits of this technology include:

  • Improved network performance
  • Enhanced security through encapsulation
  • Scalability for growing network demands

Potential Commercial Applications

The potential commercial applications of this technology include:

  • Network equipment and infrastructure companies
  • Telecommunication providers
  • Cloud service providers

Possible Prior Art

One possible prior art for this technology could be:

  • IP tunneling protocols
  • Network address translation (NAT) techniques

What are the specific technical details of the inner and outer headers used in the encapsulation process?

The specific technical details of the inner and outer headers used in the encapsulation process are not provided in the abstract. Further information on the structure and content of these headers would be necessary to fully understand the implementation of this technology.

How does the system handle packet loss or network congestion during the forwarding process?

The abstract does not mention how the system handles packet loss or network congestion during the forwarding process. It would be important to know if there are mechanisms in place to address these issues and ensure reliable packet delivery in less than ideal network conditions.


Original Abstract Submitted

Disclosed herein are systems, methods, and computer-readable media for forwarding packets between parallel IPv4 networks that includes encapsulating an IP packet to include an outer header and an inner header. The IP packet is routed to a shaft spanning a subset of addresses within the source realm. Upon reaching the shaft in the source realm, a first swap of the inner header and the outer header of the IP packet is performed. The IP packet is forwarded inside the shaft from the source realm to the destination realm. Upon reaching the destination realm, a second swap of the inner header and the outer header of the IP packet is performed. The IP packet is forwarded in the destination realm to the destination node.