Title:
METHOD AND APPARATUS FOR ESTABLISHING MULTICAST TUNNEL
Document Type and Number:
WIPO Patent Application WO/2018/010519
Kind Code:
A1
Abstract:
The present application provides a method for establishing a multicast tunnel, capable of reducing the costs of a forwarding plane and improving the forwarding efficiency. The method comprises: a first forwarding device sends a request message to a second forwarding device, the request message comprising label block information and a path identifier, the label block information being used for representing the size of a label block, the path identifier being used for identifying a tunnel, between the first forwarding device and the second forwarding device, corresponding to a virtual private network (VPN), the first forwarding device being an upstream device of the second forwarding device; the first forwarding device receives a response message sent by the second forwarding device, the response message comprising a first label and the path identifier, the first label being an initial label of the label block determined according to the label block information; the first forwarding device obtains a forwarding entry corresponding to the tunnel according to the first label and the path identifier.
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Inventors:
XIE JINGRONG (CN)
LIU YISONG (CN)
ZHANG JUNLIN (CN)
WANG DONG (CN)
LIU YISONG (CN)
ZHANG JUNLIN (CN)
WANG DONG (CN)
Application Number:
PCT/CN2017/088633
Publication Date:
January 18, 2018
Filing Date:
June 16, 2017
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H04L45/50; H04L47/724; H04L47/80
Domestic Patent References:
| WO2013154813A1 | 2013-10-17 | |||
| WO2006002598A1 | 2006-01-12 |
Foreign References:
| US9100213B1 | 2015-08-04 | |||
| CN102938734A | 2013-02-20 | |||
| US7848335B1 | 2010-12-07 | |||
| CN105515992A | 2016-04-20 |
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