Presentation	2003/12/4 Overview of Ethernet Pseudo Wire and VPLS : Actualized Problem Muneyoshi SUZUKI,
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Abstract(in English)	Ethernet Pseudo Wire (PW) that enables point-to-point Ethernet link service using MPLS LSP, and Virtual Private LAN Service (VPLS) that provides multipoint-to-multipoint shared LAN service with full-meshed Ethernet PWs are currently discussed in the IETF. First, this paper briefly describes protocol specifications of Ethernet PW and VPLS. Then, this paper explains that the tagged mode of Ethernet PW may violate in-sequence MAC frame delivery specified in the IEEE standard. Furthermore, this paper clarifies only a single PW failure in the full-meshed Ethernet PWs that support VPLS may lead fatal problems such as black holes in user OSPF or IS-IS network and loops in user LAN.
Keyword(in Japanese)	(See Japanese page)
Keyword(in English)	Ethernet Pseudo Wire (PW) / Virtual Private LAN Service (VPLS) / MPLS
Paper #	IN2003-142
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Conference Information
Committee	IN
Conference Date	2003/12/4(1days)
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Paper Information
Registration To	Information Networks (IN)
Language	JPN
Title (in Japanese)	(See Japanese page)
Sub Title (in Japanese)	(See Japanese page)
Title (in English)	Overview of Ethernet Pseudo Wire and VPLS : Actualized Problem
Sub Title (in English)
Keyword(1)	Ethernet Pseudo Wire (PW)
Keyword(2)	Virtual Private LAN Service (VPLS)
Keyword(3)	MPLS
1st Author's Name	Muneyoshi SUZUKI
1st Author's Affiliation	NTT Corporation Information Sharing Platform Laboratories()
Date	2003/12/4
Paper #	IN2003-142
Volume (vol)	vol.103
Number (no)	492
Page	pp.pp.-
#Pages	6
Date of Issue