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System and method for reducing OAM frame leakage in an Ethernet OAM domain

An Ethernet and network technology, applied in the field of Ethernet OAM network, can solve security violations and other issues

Inactive Publication Date: 2006-07-12
ALCATEL LUCENT SAS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the broadcast causes the inspection frame to be published on all VLAN ports, the unicast information intended to be a specific domain becomes the broadcast information in the entire VLAN, thereby causing a potential security violation by breaking the separation of OAM domains

Method used

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  • System and method for reducing OAM frame leakage in an Ethernet OAM domain
  • System and method for reducing OAM frame leakage in an Ethernet OAM domain
  • System and method for reducing OAM frame leakage in an Ethernet OAM domain

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Embodiment Construction

[0020] Embodiments of the invention are now described with reference to various examples of how the invention is best made and used. Like reference numerals are used to designate like or corresponding parts throughout the description and several views of the drawings, wherein the various parts are not necessarily drawn to scale. Referring now to the accompanying drawings, in particular figure 1 , described here is an embodiment of an end-to-end Ethernet OAM network 100 with multiple OAM domains, in which a solution for reducing OAM frame leakage according to an aspect of the present invention is provided. As shown, the Ethernet OAM network 100 includes a layered network environment including a first user equipment network 102A and a second user equipment network 102B forming part of its terminal, the first user equipment network 102A and the second user equipment network 102A Device network 102B is connected to core transport network 108 through respective access networks 106...

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Abstract

A system and method for reducing frame leakage in a VLAN defined in an Ethernet OAM network. Upon receiving a unicast OAM frame at a Maintenance Intermediate Point (MIP) entity, a first database is queried to verify it the frame's destination address (DA) is provided therein. If not, a second database is queried to verify the frame's source address (SA) is associated with a Maintenance End Point (MEP) entity provided therein. If so, OAM domain level information corresponding to the MEP entity is obtained and a multicast MAC address associated with the OAM domain level is determined. The incoming OAM frame's DA is then replaced with the multicast MAC address for forwarding the frame to a set of port addresses restricted to the OAM domain level.

Description

[0001] Cross References to Related Applications [0002] This application discloses the subject of "Automatic Configuration of Ethernet OAM Points", Attorney Docket No. 1285-0150US, filed December 22, 2004, and the inventors are DavidElie-Dit-Cosaque, Kamakshi Sridhar, Maarten Vissers and Tony VanKerckhove Subject matter related to subject matter of co-pending patent application 11 / 020,898, which is hereby incorporated by reference. technical field [0003] The present invention generally relates to Ethernet OAM networks. More specifically but not in a limiting manner, the present invention relates to a system and method for reducing OAM frame leakage in an Ethernet OAM domain. Background technique [0004] The link between the end user and the public network, which is critical in delivering broadband applications to residential and business users, is known by many names such as first mile, last mile, local loop, metro Access, user access network, etc., and use a variety o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/24H04L12/56
CPCH04L43/50H04L41/5003H04L12/2697H04L12/4625H04L12/4641H04L43/10H04L41/509H04L41/5087
Inventor 戴维·伊利·迪特·科萨奎卡马克希·斯里德哈马尔坦恩·彼德勒斯·约瑟夫·维瑟斯托尼·范·克尔克霍夫
Owner ALCATEL LUCENT SAS
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