Segment routing into a label distribution protocol domain
First Claim
Patent Images
1. A method comprising:
- receiving a packet at a hybrid node, whereina segment identifier is attached to the packet,the segment identifier has been advertised using a protocol other than label distribution protocol (LDP), andthe hybrid node employs LDP and segment routing in a control plane implemented by the hybrid node;
detaching the segment identifier from the packet;
attaching a first LDP label to the packet after the segment identifier is detached; and
forwarding the packet with the attached first LDP label on a path toward a first LDP enabled node.
0 Assignments
0 Petitions
Accused Products
Abstract
A method, apparatus and memory for forwarding packets through a network domain containing nodes that are label distribution protocol (LDP) enabled and nodes that are segment routing (SR) enabled. In one embodiment, the method may include receiving at a hybrid node a packet with an attached segment identifier and detaching the segment identifier from the packet. This embodiment of the method continues with attaching a first LDP label to the packet after the segment identifier is detached and forwarding the packet with the attached first LDP label on a path toward a first LDP enabled node.
163 Citations
20 Claims
-
1. A method comprising:
-
receiving a packet at a hybrid node, wherein a segment identifier is attached to the packet, the segment identifier has been advertised using a protocol other than label distribution protocol (LDP), and the hybrid node employs LDP and segment routing in a control plane implemented by the hybrid node; detaching the segment identifier from the packet; attaching a first LDP label to the packet after the segment identifier is detached; and forwarding the packet with the attached first LDP label on a path toward a first LDP enabled node. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
-
-
10. An apparatus comprising:
a hybrid node employing label distribution protocol (LDP) and segment routing in its control plane, the hybrid node comprising; a port processor adapted to receive a packet with an attached segment identifier, wherein the segment identifier has been advertised using a protocol other than LDP; and a processor adapted to detach the segment identifier from the packet, attach a first LDP label to the packet after the segment identifier is detached, and forward the packet with the attached first LDP label on a path toward a first LDP enabled node. - View Dependent Claims (11, 12, 13, 14, 15)
-
16. A memory storing executable instructions, wherein a node is configured to implement a method in response to executing the instructions, the method comprising:
-
receiving a packet at a hybrid node, wherein a segment identifier is attached to the packet, the segment identifier has been advertised using a protocol other than label distribution protocol (LDP), and the hybrid node employs LDP and segment routing in a control plane implemented by the hybrid node; detaching the segment identifier from the packet; attaching a first LDP label to the packet after the segment identifier is detached; and forwarding the packet with the attached first LDP label on a path toward a first LDP enabled node. - View Dependent Claims (17, 18, 19, 20)
-
Specification