Regionalization and data residency

Agent Assist provides data residency to keep your data-at-rest physically within a specified geographical region or location. When you specify a region, your data-at-rest is not stored outside that region. Pricing is the same for all regions.

Specifying a region is particularly helpful in the following use cases:

• Your system has regulatory or policy requirements that govern where your data must reside.
• Your network latencies might be improved when the data is in the same region as your customers. For example, if Belgium customers use europe-west1, they can expect better latency.

Note: Agent Assist regionalization and data residency does not apply to data-in-use or data-in-transit.

Available regions

Country grouping	Geographical location	Region ID
Americas	Iowa	us-central1
Americas	South Carolina	us-east1
Americas	Oregon	us-west1
Americas	Montréal	northamerica-northeast1
Europe	Belgium	europe-west1
Europe	London	europe-west2
Europe	Frankfurt	europe-west3
Asia Pacific	Singapore	asia-southeast1
Asia Pacific	Tokyo	asia-northeast1
Asia Pacific	Mumbai	asia-south1
Asia Pacific	Sydney	australia-southeast1
Global	Global serving, data-at-rest in US	global (preferred), us, or no region specified (default)

Note: Calls to the global region might have higher latency when called from outside of the US. Please select a more specific region that is closer to your services and end-users, if possible. For more information, see the Google Cloud regions and Google Cloud geography and regions documentation.

Available features for regional serving

Region ID	Smart Reply	Article Suggestion	Summarization v1 custom model (preview)	Summarization v2 custom model (preview)	Summarization baseline model	Sentiment Analysis
us-central1	✓	✓	✓	✓	✓	✓
us-east1	✓	✓	✓	✓	✓	✓
us-west1	✓	✓	✓	✓	✓	✓
northamerica-northeast1	✓				✓	✓
europe-west1	✓	✓	✓		✓	✓
europe-west2	✓				✓	✓
europe-west3	✓				✓	✓
asia-southeast1	✓				✓	✓
asia-northeast1	✓				✓	✓
asia-south1	✓				✓	✓
australia-southeast1	✓				✓	✓
global	✓	✓	✓	✓	✓	✓

Data-at-rest

All Agent Assist developer user and end-user data is included in data-at-rest. For example:

• Knowledge bases and knowledge documents.
• Conversation profiles.
• Conversation and message histories.
• Conversion participants.
• Suggestions returned by Agent Assist.
• Feedbacks.

Limitations

The following limitations apply:

• The Agent Assist Console does not yet support regionalization. You can only implement regionalization by calling the API directly.
• Model training does not support regionalization. Your data may get routed outside the region during this process.
• Only HTML format is supported for Article Suggestion documents when you use regional endpoints.

• API Explorer, found on many REST reference documents, only supports the global region for API calls.

• CCAI Transcription currently only supports multi-region data in use and data at rest (if not using the Speech Adaptation feature) in EU, US, North America (Canada).

Specify a region using the API

To use regionalization you must specify a region for every API request.

Required fields:

• Provide the region ID for the location URL path parameter.
• Use region_id-dialogflow.googleapis.com for the hostname.

Example, using the us-central1 region:

    us-central1-dialogflow.googleapis.com/v2/projects/project_id/locations/us-central1/knowledgeBases/knowledge_base_id

To use client libraries, the following steps are required:

• Set the service endpoint to: REGION_ID-dialogflow.googleapis.com.

• Set the resource name with the correct location, for example:

  projects/project_id/locations/region_id/knowledgeBases/knowledge_base_id
  

Credentials

We recommend that you use the GOOGLE_APPLICATION_CREDENTIALS environment variable to provide your client libraries with credentials. See the Dialogflow setup instructions for more information about setting this variable.

If you instead need to provide manual credentials in your code, one additional step is required before you can call a regionalized endpoint. You must set the scope to https://www.googleapis.com/auth/cloud-platform when you generate your authentication credentials. The following example demonstrates how to do this in Java when creating a GoogleCredentials object:

    GoogleCredentials.fromStream(new FileInputStream("credential_file"))
      .createScoped("https://www.googleapis.com/auth/cloud-platform")

Cloud logging

See the Cloud logging documentation to control the region where your logs are stored.