Spoke Sdps - Alcatel-Lucent 7750 SR OS Service Manual

Spoke SDPs

Distributed services use service distribution points (SDPs) to direct traffic to another SR-Series
router via service tunnels. SDPs are created on each participating SR-Series and then bound to a
specific service. SDP can be created as either GRE or MPLS. Refer to
(SDPs) on page 41
This feature provides the ability to cross-connect traffic entering on a spoke SDP, used for Layer 2
services (VLLs or VPLS), on to an IES or VPRN service. From a logical point of view, the spoke
SDP entering on a network port is cross-connected to the Layer 3 service as if it entered by a
service SAP. The main exception to this is traffic entering the Layer 3 service by a spoke SDP is
handled with network QoS policies not access QoS policies.
Figure 50
sdp-id and VC label present in the the service packet.
7750 SR OS Services Guide
for information about configuring SDPs.
depicts traffic terminating on a specific IES or VPRN service that is identified by the
Access
SAP
SAP
IES
VPRN
Figure 2: SDP-ID and VC Label Service Identifiers
Network
IES
Base
IES
Router
Instance
SDP
VC:X
VC:Y
VRF
Internet Enhanced Services
Service Distribution Points
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