350-501 · Question #575
What is the purpose of microsegments in the SRv6 architecture?
The correct answer is D. they support a scalable control plane. Microsegments in the SRv6 architecture serve to encode granular functions within a Segment Identifier (SID), allowing a single SID to represent diverse forwarding behaviors. This capability contributes to a more scalable control plane by efficiently representing complex policies.
Question
What is the purpose of microsegments in the SRv6 architecture?
Options
- AThea allow for configuration changes in the SRv6 sata plane without requiring the device to
- BThey reduce fragmentation as packets traverse the network
- CThey ensure that routers in the path sufficiently examine the indexed mapping tables
- Dthey support a scalable control plane
How the community answered
(71 responses)- A7% (5)
- B3% (2)
- C3% (2)
- D87% (62)
Why each option
Microsegments in the SRv6 architecture serve to encode granular functions within a Segment Identifier (SID), allowing a single SID to represent diverse forwarding behaviors. This capability contributes to a more scalable control plane by efficiently representing complex policies.
While SRv6 aims for a simple data plane, the purpose of microsegments is to encode diverse functions within SIDs, not primarily to facilitate data plane configuration changes without device reloads.
SRv6, especially with the Segment Routing Header, can increase packet size, potentially increasing fragmentation. Microsegments themselves do not inherently reduce fragmentation.
Microsegments are about encoding specific functions within a SID, not about ensuring routers examine indexed mapping tables. The lookup process is determined by the SRv6 forwarding plane, not the microsegment itself.
Concept tested: SRv6 microsegments purpose
Source: https://www.cisco.com/c/en/us/products/collateral/ios-xe/segment-routing/white-paper-c11-741270.html
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