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My agent is currently deployed in the US, but when...
# ask-ai
b
My agent is currently deployed in the US, but when I call from a number located in Europe, the latency is very high. Would deploying another agent in Europe help reduce this latency? Do LiveKit servers automatically detect the region where my agents are deployed, or is there some configuration required? Additionally, do I need to configure anything in Twilio to enable regional routing or pinning for inbound calls? How can I ensure low latency for users connecting from different regions?
t
Thanks for reaching out, Ahsan. I'm an AI assistant and I'm here to help. Give me a moment while I research this topic.
Deploying an agent in Europe can indeed help reduce latency for users connecting from Europe. LiveKit's distributed architecture supports multi-region deployments, allowing users to connect to the nearest server, which minimizes network latency. You can find more details on this in LiveKit's Distributed Setup documentation. Regarding server region detection, LiveKit servers do not automatically detect their deployment region. You need to manually configure the region using a configuration file or command-line arguments (e.g., 
--region
). For Twilio, regional routing or pinning for inbound calls is not inherently required. However, you can configure region-based endpoints in LiveKit's SIP setup to enforce regional routing. This involves creating a SIP trunk in Twilio and associating it with LiveKit's region-specific endpoint. To ensure low latency for users connecting from different regions, consider deploying agents in multiple regions and configuring LiveKit's region-aware node selector to route traffic efficiently. Let me know if you need further assistance with any of these configurations. Sources: src/room/RegionUrlProvider.ts | cmd/server/main.go | Distributed Setup | LiveKit Docs
b
I am using livekit cloud, so how can I configure the region? Do i need to configure the region of the agent? I don't really understand.
t
When you're working with LiveKit Cloud, you can easily set the region for your agents right when you create, update, or deploy them. Just use the LiveKit CLI with the 
--regions
flag. Here’s how it looks:
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lk agent create --regions us-west,eu
lk agent update --regions us-west,eu
lk agent deploy --regions us-west,eu
These regions get saved in your 
livekit.toml
configuration file and are used whenever you deploy. This way, your agents run where you want them, helping to keep things speedy for users connecting from those spots. Also, if you’re using SIP trunking, you can set up region-specific endpoints to limit calls to certain areas, like 
eu.sip.livekit.cloud
for Europe. Feel free to reach out if you want a hand with these settings or have any other questions—I’m here to help! Sources: SIP cloud and region pinning | LiveKit Docs | src/room/RegionUrlProvider.ts | pkg/config/livekit.go | Distributed Setup | LiveKit Docs | Configuring firewalls | LiveKit Docs
b
I am using aws ECS to deploy agent. I dont see a way to use the command lk agent ...
t
When you're setting up LiveKit agents on AWS ECS, you can easily specify the regions right in the agent's configuration file (like 
config.yaml
or 
livekit.toml
). Here's a quick example:
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region: us-east-1
If you want to work with multiple regions, you can list them like this:
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regions:
  - us-west-2
  - us-east-1
Just make sure these regions line up with where your AWS ECS clusters are running. Also, if you're using a region-aware node selector, you can set it up like this:
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node_selector:
  kind: regionaware
  regions:
    - name: us-west-2
      lat: 37.64046607830567
      lon: -120.88026233189062
    - name: us-east-1
      lat: 40.68914362140307
      lon: -74.04445748616385
This setup helps LiveKit smartly route traffic based on how close things are region-wise. If you have any questions or want a hand with your AWS ECS or LiveKit setup, just let me know—I’m here to help! Sources: Distributed Setup | LiveKit Docs | cmd/lk/agent.go | README.md
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