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["vikram.choudhary" <vikram.choudhary@xxxxxxxxxx>]

Public bug reported:

[Existing problem]
The number of BGP speakers a BGP driver can host may vary. For instance Ryu can support only 1 BGP Speaker while Quagga can host multiple. In the current BGP dynamic routing implementation [1]_, the BGP DrAgent and DrScheduler cannot adjust themselves as per the driver support which might be required for effective scheduling.

[Proposal]
There could be 2 ways for achieving this:
1. Admin can hard code the support information in the configuration file and the same could be read by BGP DrAgent and DrScheduler during start-up.
2. New interface can be exposed by BGP DrAgent to DrScheduler using which DrScheduler retrieve this information during start-up.

[Benefits]
- Effective scheduling.

[What is the enhancement?]
- Configuration file changes. [Proposal-1]
- New interface between BGP DrAgent and DrScheduler will be designed. [Proposal-2]

[Related information]
[1] Dynamic Advertising Routes for Public Ranges
    https://specs.openstack.org/openstack/neutron-specs/specs/mitaka/bgp-dynamic-routing.html

** Affects: neutron
     Importance: Undecided
         Status: New


** Tags: rfe

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https://bugs.launchpad.net/bugs/1528003

Title:
  bgp-dragent-hosting-multiple-speakers

Status in neutron:
  New

Bug description:
  [Existing problem]
  The number of BGP speakers a BGP driver can host may vary. For instance Ryu can support only 1 BGP Speaker while Quagga can host multiple. In the current BGP dynamic routing implementation [1]_, the BGP DrAgent and DrScheduler cannot adjust themselves as per the driver support which might be required for effective scheduling.

  [Proposal]
  There could be 2 ways for achieving this:
  1. Admin can hard code the support information in the configuration file and the same could be read by BGP DrAgent and DrScheduler during start-up.
  2. New interface can be exposed by BGP DrAgent to DrScheduler using which DrScheduler retrieve this information during start-up.

  [Benefits]
  - Effective scheduling.

  [What is the enhancement?]
  - Configuration file changes. [Proposal-1]
  - New interface between BGP DrAgent and DrScheduler will be designed. [Proposal-2]

  [Related information]
  [1] Dynamic Advertising Routes for Public Ranges
      https://specs.openstack.org/openstack/neutron-specs/specs/mitaka/bgp-dynamic-routing.html

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