Service Function Chain (SFC)

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Available in VPC

The Service Function Chain (hereinafter SFC) can define the network flow (chain) of the endpoint and the SFC subnet created in the transit VPC for specific destinations.
The detailed features of SFC are as follows:

  • The resources within the transit VPC that can define flow are as follows:
    • Endpoint : IGW(Internet Gateway), VGW(Virtual Gateway), Transit VPC Connect
    • Inline Load Balancer created in the private LB subnet
    • Specific NIC of virtual appliances created in the SFC subnet
  • SFC flows in a one-way direction. If you defined a flow for ingress, you must also define a flow for egress.

ServiceFunctionChain.png

Note

View Service Function Chain list

To check the information by Service Function Chain in the list of Service Function Chains that you have created and are in operation:

  1. In the VPC environment of the NAVER Cloud Platform console, navigate to i_menu > Services > Networking > VPC.
  2. Click the Service Function Chain (SFC) menu.
  3. When the list of Service Function Chains appears, view the summarized information, or click a public IP to see details.
    • Service Function Chain name: Name of Service Function Chain.
    • Service Function Chain ID: ID value of Service Function Chain.
    • Status: Status of the Service Function Chain.
      • Running: Status in which the creation of the NAT Gateway has been completed with the information you entered, and the route table is available for use.
      • Configuring: Status in which the Service Function Chain is being configured with the information you entered.
    • VPC name: Name of the VPC using the Service Function Chain.
    • Zone: Zone in which the Service Function Chain is used.
    • [Chain details] tab: Detailed settings for the defined chain.
    • Memo: Memo related to the server, and you can edit it by clicking [Edit].

Create Service Function Chain

To create a Service Function Chain:

  1. In the VPC environment of the NAVER Cloud Platform console, navigate to i_menu > Services > Networking > VPC.
  2. Click the Service Function Chain (SFC) menu.
  3. Click [Create Service Function Chain].
  4. When the Create Service Function Chain popup appears, enter the information for the Service Function Chain to create.
    • SFC name: Enter the name of the server to create, in 3 to 30 characters using English letters, numbers, and/or hyphens (-).
    • VPC: Select the Transit VPC to use the Service Function Chain.
    • Zone: Select the zone to use the Service Function Chain.
    • Destination point Subnet: Enter a destination in CIDR format, and click [Add].
    • Chain: Select and adjust endpoint, server, and Load Balancer according to the network flow sequence.
    Note
    • At the end of the chain sequence, you must place an endpoint (Internet Gateway, Virtual Private Gateway, Transit VPC Connect).
  5. Click [Create].
  6. Check the status of the created Service Function Chain in the Service Function Chain page.
    • Running: Status in which the creation of the Service Function Chain has been completed with the information you entered, and it is available for use.
    • Configuring: Status in which the Service Function Chain is being configured with the information you entered.

Set Service Function Chain

To add or change settings to the created Service Function Chain:

  1. In the VPC environment of the NAVER Cloud Platform console, navigate to i_menu > Services > Networking > VPC.
  2. Click the Service Function Chain (SFC) menu.
  3. Select the desired Service Function Chain in the list, and then click [Set Service Function Chain].
  4. When the Set Service Function Chain popup appears, change the routing settings.
    • Destination point Subnet: Enter a destination in CIDR format, and click [Add].
    • Chain: Select and adjust endpoint, server, and Load Balancer according to the network flow sequence.
  5. Click [Edit].

Delete Service Function Chain

To delete the Service Function Chain which is created by you and in operation:

  1. In the VPC environment of the NAVER Cloud Platform console, navigate to i_menu > Services > Networking > VPC.
  2. Click the Service Function Chain (SFC) menu.
  3. Click the Service Function Chain to be deleted and click [Delete].
  4. When the Delete Service Function Chain popup appears, click [Delete].