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Method and apparatus for connecting subscriber devices to an ipv6-capable aggregation network

A technology for user equipment and aggregation networks, applied in transmission systems, electrical components, etc., to solve problems such as unacceptable

Inactive Publication Date: 2015-06-03
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

When migrating these users from IPv4 to IPv6, migrating them to a 1:1 VLAN mechanism may not be acceptable

Method used

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  • Method and apparatus for connecting subscriber devices to an ipv6-capable aggregation network
  • Method and apparatus for connecting subscriber devices to an ipv6-capable aggregation network
  • Method and apparatus for connecting subscriber devices to an ipv6-capable aggregation network

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Embodiment Construction

[0039] figure 1 A data communication system is shown comprising an IPv6-enabled user equipment 1 , an access node 2 , an Ethernet-based aggregation network 3 (EMAN), an IPv6-enabled edge router 4 and the Internet 5 .

[0040] User equipment 1 is connected to access node 2 through user copper wires or optical fibers or wirelessly. Access node 2 and edge router 4 are connected to EMAN 3 . The edge router 4 is also connected to the Internet 5 .

[0041] The user equipment 1 and the edge router 4 form part of a VLAN 6 shared with other user equipment (not shown) connected to the same access node 2 and / or another access node (not shown).

[0042]Downlink communication refers to communication towards the user equipment 1, and uplink communication refers to communication from the user equipment.

[0043] As an exemplary embodiment, the interface connecting user equipment 1 to access node 2 is assigned MAC address 00-AA-00-3F-2A-1C, and the interface connecting edge router 4 to EMA...

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Abstract

The present invention relates to an access node (2) for connecting a subscriber device (1) to an IPv6-capable aggregation network (3), and adapted to receive an upstream IPv6 packet (NS1O; RS1O; NA1O) comprising an IPv6 address (LLIP@O) held by the subscriber device. An access node according to the invention is further adapted to assign a new interface identifier (IDT) to the subscriber device that is unique within the scope of a L2 communication domain (6), which the subscriber device belongs to, to substitute, within the upstream IPv6 packet, the new interface identifier for an original interface identifier (IDO) of the IPv6 address, thereby yielding a translated upstream IPv6 packet (NS1T; RS1T; NA1T) comprising a translated IPv6 address (LLIP@T), and to forward the translated upstream IPv6 packet towards the aggregation network. The present invention also relates to a method for connecting a subscriber device to an IPv6-capable aggregation network.

Description

technical field [0001] The invention relates to an access node for connecting user equipment to a converged network supporting IPv6. Background technique [0002] Internet Protocol version 6 (IPv6) is a next-generation protocol developed by the Internet Engineering Task Force to replace the current Internet Protocol version (IPv4). IPv6 uses 128-bit network addresses, while IPv4 only uses 32 bits, resulting in a larger address space with 2^128 usable addresses. [0003] A new stateless autoconfiguration process has been defined to allocate IPv6 addresses and pass configuration parameters to dynamically configured hosts. The IPv6 stateless autoconfiguration process requires no manual configuration of hosts, minimal (if possible) configuration of routers, and no additional servers. The IPv6 stateless autoconfiguration mechanism is based on the Internet Control Message Protocol version 6 (ICMPv6). [0004] Stateless autoconfiguration mechanisms allow hosts to generate their ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L29/12
CPCH04L61/2503H04L69/16H04L69/167H04L61/5046H04L2101/659H04L61/00
Inventor S·奥盖L·保韦尔斯
Owner ALCATEL LUCENT SAS
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