AS Confederations Edge

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AS Confederations Edge

• Susan Hares
• Pratik Bose

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AS Confederation Topology
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Fall back to AS 6505
Allow connections through other node
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Whats new

• If do via Configuration, you drop the port.
• Make without dropping for AS Confederation nodes
  using Dynamic capability
• Open exchange sets it up
• Dynamic capability switches a peer between AS 10
  and AS 6505
• Can also switch peer back to AS 10
• Dont drop peers
• Dont drop 500, 501, 502

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Open Capabilities

• Length of AS 2 or 4 bytes
• Send prefix flags
• Resend routes in groups (00)
• Send all routes immediately (01)
• Dont resend any routes
• Number of AS
• For Nested Confederations this will be greater
  than 2
• AS confederation
• AS 1 AS number inside AS confederation
• Security cookie length Security cookie
• Security key to unlock this exchange

Length of AS (1)
Send prefix flag (1)
Number of AS (1)
AS Confederation
AS 1
AS 2
Security cookie length
Security cookie
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Dynamic Capabilities
Index into AS list for AS in use

• Index into list for AS in use
• Length of AS 2 or 4 bytes
• Send prefix flags
• Resend routes in groups (00)
• Send all routes immediately (01)
• Dont resend any routes
• Number of AS
• For Nested Confederations this will be greater
  than 2
• AS confederation
• AS 1 AS number inside AS confederation
• Security cookie length Security cookie
• Security key to unlock this exchange

Length of AS (1)
Send prefix flag (1)
Number of AS
AS Confederation
AS 1
AS 2
Security cookie length
Security cookie
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Dynamic Exchanges
Open with capability
Open with capability
Keepalive
Keepalive
Updates
Updates
Dynamic Capability new AS cookie
Dynamic Capability New AS cookie
Updates
Updates
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A Mobile AS
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A Mobile AS
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A Mobile AS