Title:
INFORMATION TRANSFER METHOD, INFORMATION TRANSFER SYSTEM AND NODE DEVICE
Document Type and Number:
Japanese Patent JP2009194648
Kind Code:
A
Abstract:
To automate a setting of a multicast LSP when an egress node connected to a receiving terminal is made redundant.
An ingress node and egress node are used as BGP speakers, a peer is set between the BGP speakers in full mesh at the ingress node, thereby carrying out an information exchange by a BGP, and when one or a plurality of next hops exist with respect to the same address network of pieces of the obtained route information, an LSP in which the next hop becomes the egress node, or the multicast LSP in which each next hop becomes a leaf is set.
Inventors:
OUCHI HIROYUKI
MATSUOKA YASUYUKI
MATSUOKA YASUYUKI
Application Number:
JP2008033465A
Publication Date:
August 27, 2009
Filing Date:
February 14, 2008
Export Citation:
Assignee:
NIPPON TELEGRAPH & TELEPHONE
International Classes:
H04L45/16; H04L45/24; H04L45/50
Domestic Patent References:
| JP2007074313A | 2007-03-22 | |||
| JP2008278008A | 2008-11-13 |
Foreign References:
| WO2008120267A1 | 2008-10-09 |
Attorney, Agent or Firm:
Tadahiko Ito
Ryuji Ishihara
Ryuji Ishihara