Method and system for generating ipv6 address to trigger virtual leased line service

A virtual leased line and link-local address technology, applied in the field of connectivity, can solve problems such as address resolution cannot be realized

Inactive Publication Date: 2016-01-13
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, address resolution between devices using different services may not be possible in certain situations, such as during the initial steps through a virtual LAN or when intermediate services are not active

Method used

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  • Method and system for generating ipv6 address to trigger virtual leased line service
  • Method and system for generating ipv6 address to trigger virtual leased line service
  • Method and system for generating ipv6 address to trigger virtual leased line service

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Embodiment Construction

[0014] Referring now to the drawings, wherein like reference numerals refer to like components or steps, there are disclosed broad aspects of various exemplary embodiments.

[0015] figure 1 An exemplary implementation of a virtual local area network (LAN) over a packet data network is illustrated. In various exemplary embodiments, communication system 100 includes packet data network 101, customer edge (CE) service access providers (SAPs) 111-114, provider edge (PE) SAPs 121-122, virtual circuits 130 and local connections 131-134. A virtual circuit 130 can be established over the packet data network 101 to connect the PESAPs 121, 122, which can then establish a virtual local area network (virtual LAN), Internet Protocol LAN service (IPLS), virtual private wire service (VPWS), or virtual private network ( VPN), which includes CESAP111-114 and PESAP121,122. In an exemplary embodiment, for example, communication system 100 may include a VPWS that includes SAPs 111-114.

[00...

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PUM

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Abstract

Various embodiments relate to a communication system and associated method for determining the address of a service access point (SAP) when establishing a service over a packet data network. A customer SAP connected to the provider SAP can request a link-local address for another customer SAP at the far end of the packet data network. When a service such as a virtual leased line (VLL) has not been established, the provider SAP may generate the address for the customer based on another value, eg its own media access control (MAC) address. The generated address may then allow services to become established, which may allow neighbor solicitation and neighbor advertisement packets to be sent, analyzed, and extracted. The provider SAP then replaces the generated address with the address extracted from the neighbor solicitation or advertisement packet received after service establishment.

Description

technical field [0001] Various exemplary embodiments disclosed herein relate generally to communication devices, and specifically to connectivity in packet data networks. Background technique [0002] In modern communication systems, various local devices (local devices) and local networks (local networks) can be attached to each other through packet data networks such as Internet Protocol (IP) or Multiprotocol Label Switching (MPLS) The internet. In some cases, a pseudo local area network (virtual LAN) may be established between one or more devices through a packet data network using various devices and technologies. One method for creating such a virtual LAN may use one or more virtual wires (pseudowires) in a packet data network to connect devices at the edge of the network. With this emulation of layer 2 peer-to-peer (P2P) connection-oriented services, two devices connected by a packet-switched network can operate in a similar manner as eg devices sharing a common Prov...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/12H04L45/50
CPCH04L45/68H04L61/103H04L61/5007H04L61/59H04L2101/659H04L2101/622H04L45/50H04L67/14
Inventor S·皮尔巴伊N·哈特
Owner ALCATEL LUCENT SAS
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