This field indicates whether zonal affinity is enabled or not. The
possible values are: - ZONAL_AFFINITY_DISABLED: Default Value. Zonal
Affinity is disabled. The load balancer distributes new connections
to all healthy backend endpoints across all zones. -
ZONAL_AFFINITY_STAY_WITHIN_ZONE: Zonal Affinity is enabled. The load
balancer distributes new connections to all healthy backend
endpoints in the local zone only. If there are no healthy backend
endpoints in the local zone, the load balancer distributes new
connections to all backend endpoints in the local zone. -
ZONAL_AFFINITY_SPILL_CROSS_ZONE: Zonal Affinity is enabled. The load
balancer distributes new connections to all healthy backend
endpoints in the local zone only. If there aren't enough healthy
backend endpoints in the local zone, the load balancer distributes
new connections to all healthy backend endpoints across all zones.
Enums
Name
Description
UNDEFINED_SPILLOVER
A value indicating that the enum field is not set.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-28 UTC."],[],[],null,["# Class Spillover (0.1.5)\n\nVersion latestkeyboard_arrow_down\n\n- [0.1.5 (latest)](/python/docs/reference/google-cloud-compute-v1beta/latest/google.cloud.compute_v1beta.types.BackendServiceNetworkPassThroughLbTrafficPolicyZonalAffinity.Spillover)\n- [0.1.4](/python/docs/reference/google-cloud-compute-v1beta/0.1.4/google.cloud.compute_v1beta.types.BackendServiceNetworkPassThroughLbTrafficPolicyZonalAffinity.Spillover) \n\n Spillover(value)\n\nThis field indicates whether zonal affinity is enabled or not. The\npossible values are: - ZONAL_AFFINITY_DISABLED: Default Value. Zonal\nAffinity is disabled. The load balancer distributes new connections\nto all healthy backend endpoints across all zones. -\nZONAL_AFFINITY_STAY_WITHIN_ZONE: Zonal Affinity is enabled. The load\nbalancer distributes new connections to all healthy backend\nendpoints in the local zone only. If there are no healthy backend\nendpoints in the local zone, the load balancer distributes new\nconnections to all backend endpoints in the local zone. -\nZONAL_AFFINITY_SPILL_CROSS_ZONE: Zonal Affinity is enabled. The load\nbalancer distributes new connections to all healthy backend\nendpoints in the local zone only. If there aren't enough healthy\nbackend endpoints in the local zone, the load balancer distributes\nnew connections to all healthy backend endpoints across all zones."]]