Example_BGP_Community_For_Russian_Transit_ISP-Draft.txt

External:

Control Community (for downlinks):

- Announce Control:
    - to uplinks/IX/peers/downlinks (Russian/International or Tier1/any)
        - do not announce
        - announce with one prepend
        - announce with two prepends
        - announce with three prepends
        - announce with four prepends
        - announce with five prepends
        - announce with no prepends
- Blackhole:
    - standard (full) blackhole - [ISP_ASN:666 or 65535:666]
    - extended selective (foreign/international traffic) blackhole
    - "flowspec-lite" - drop all udp traffic - (partial) blackhole
    - "flowspec-lite" - drop known ddos amplifiers traffic - (partial) blackhole
- Local Preference change:
    - change local preference
    - graceful shutdown (set local pref to 0) [65535:0]

Informational Community (for downlinks):
- prefix-classification:
    - geographical:
        - by region/country/city or node (border router)
    - by source of the prefix
        - Russian/International
            - Local Origin/Local Originating (Own prefixes) ISP_ASN:ISP_ASN or ISP_ASN:0 or ISP_ASN:1
            - Downlink ISP_ASN:2
            - peer ISP_ASN:3
                - isp/nsp ISP_ASN:31
                - content gen ISP_ASN:32
            - IX ISP_ASN:4
                - PI/PNI over IX/IXP ISP_ASN:41
                - Public Peering on IX/IXP ISP_ASN:42
                - Route Server ISP_ASN:43
            - uplink ISP_ASN:5
                - Russian Upstream ISP_ASN:51
                - International Upstream ISP_ASN:52
            - special ISP_ASN:6

Internal:
Internet [0:0]
Locally originating ISP_ASN:ISP_ASN or ISP_ASN:0 or ISP_ASN:1

Best Practice:
Community Format ISP_ASN:COMMUNITY_NUM


















1) Own
    1.1 - DC
    1.2 - Edge
2) Client
3) Peer
    3.1 - Private Peer
        3.1.1
        3.1.2
    3.2 - IX
        3.2.1 - Private
        3.2.2 - Public
        3.2.3 - RS
4) Uplink
    4.1
    4.2
    
    
    
    
    
1) Own & Clients
    1.1 - Own
        1.1.1 - DC
        1.1.2 - Edge
    1.2 Client

2) Peers
    2.1 - Private Peer
        2.1.1
        2.1.2
    2.2 - IX
        2.2.1 - Private
        2.2.2 - Public
        2.2.3 - RS
3) Uplinks
    3.1
    3.2