PTTMetro - PTT.br The Brazilian Metropolitan IXP Project
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1 PTTMetro - PTT.br The Brazilian Metropolitan IXP Project 5o PTT Fórum 30 Nov 2011 Eduardo Ascenço Reis <eascenco@nic.br> PTT.br Engineering Team <eng@ptt.br> 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 1
2 Reference Name IXP - Internet exchange Point PTT Ponto de Troca de Tráfego 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 2
3 PTTMetro Brazilian Metropolitan IXP Project PTTMetro (PTT- Internet Exchange Point) is the project of the Brazilian Internet Steering Committee (CGI.br) that provides the necessary infrastructure for the direct interconnection between the diverse networks that operate in a metropolitan region From Peering in Brazil LACNIC XI / Salvador, BA Brazil - Interconnection Schemes and Strategies for ISPs Tutorial 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 3
4 PTTMetro PTT.br Project # Operation PTTMetro CGI.br project started in 2004 and is still active. PTT.br Operation division responsible to deploy and maintain PTTMetro locations. PTT.br has a partnership to support its operation with entities that host PIX on all locations. Not complete list of PIX's hosts types: National Education and Research Network (RNP) Academic (e.g. Universities) Information Technology Government Companies (e.g. Procempa, Prodest, Prodepa) Internet Data Centers (IDC) Internet Service Providers (ISP) Internet Network Providers (NSP) 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 4
5 CGI.br NIC.br PTT.br - Financial Model Brazilians (persons or companies) R$ Domains / IP / ASN Registration.br Authoritative Name Systems DNS.br Return Benefits Help Improve Internet NIC.br divisions / activities Registro.br CERT.br Cetic.br Ceptro.br PTT.br / IPv6.br/ SIMET.nic.br / etc 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 5
6 PTTMetro/PTT.br - Financial Model HighLights PTTMetro / PTT.br costs are sustained by CGI.br / NIC.br, despite Autonomous Systems (AS) participants needs for ports (number and capacity). Each participant AS has only costs to reach one or more Interconnection Points (PIX) of a specific PTT.br location in order to access its peering fabric. 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 6
7 PTTMetro/PTT.br - Regional Metro Ethernet Non-Blocking Switch/Peering Fabric AS A Router IXP PIX A AS D Router PIX D PIX Central PIX B Router AS B PIX C Router PIX: Interconnection Point AS C 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 7
8 PTTMetro/PTT.br High Availability Network Topology Model PIX Central C1 PIX Central C2 PIX Remote PIX: Interconnection Point Dark Fiber Pair 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team - NIC.br - 8
9 PTTMetro/PTT.br Operational Responsibilities NIC.br PTT.br is responsible for: Installation, Management, Administration, Monitoring and Supporting all IX locations. Always keeping Neutrality and High Quality as main targets. Highlight: PTT.br is responsible to provide enough capacity to sustain bandwidth demand on connection between PIX: (e.g. 1GE, 10GE, nx 10GE with DWDM). PIX Each entity that hosts a PTT.br PIX is responsible to provide continuous and high quality: IDC Infrastructure Rack Space, Electrical Energy, Refrigeration, Physical Security, Operational Hand, etc Dark Fiber Pair (preferably redundant) to Central PIX 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br - 9
10 PTTMetro/PTT.br São Paulo PIX Topology 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team - NIC.br
11 PTTMetro/PTT.br IXP Locations and Brazilian AS Distribution 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team - NIC.br Americana 2. Belém 3. Belo Horizonte 4. Brasília 5. Campina Grande 6. Campinas 7. Curitiba 8. Florianópolis 9. Fortaleza 10. Goiânia 11. Londrina 12. Porto Alegre 13. Recife 14. Rio de Janeiro 15. Salvador 16. São José dos Campos 17. São Paulo 18. Vitória AS PTT.br IXP
12 PTTMetro/PTT.br IXP Locations All PTTMetro Locations are Isolated The main purpose for PTTMetro locations is to allow the local traffic to stay on the location. The Brazilian Internet Steering Committee do not intend to interconnect PTTMetro Locations and compete with telecommunications companies. PTTMetro project stimulates and support inter locations transport services done by participants companies. PTTMetro have defined some transport modes in order to optimize common resources and reduce costs that are already in production (e.g. Campinas <=> São Paulo by Fasternet company) 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team - NIC.br
13 PTTMetro/PTT.br Peering Agreements Multi-Lateral Peering Agreements (MLPA) IP (v4/v6) traffic exchange between all participants. BGP sessions established between participants and IXP route servers. Different MLPA VLANs for IPv4 and IPv6. Bilateral Peering Agreements (BPA) Shared VLAN Mode IP traffic exchange only between participants. Use the same MLPA VLANs. Dedicated VLAN Mode IP traffic exchange only between participants (e.g. Internet Transit). Use a dedicate VLAN for each peering agreement. 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
14 PTTMetro/PTT.br Logical Connection Structure per Location AS A MLPA IPv4 (e.g. VLAN tag 10) AS B MLPA IPv6 (e.g. VLAN tag 20) AS C AS D Dedicated VLAN (e.g. tag 2010) AS E AS F Dedicated VLAN (e.g. tag 2020) AS G 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
15 PTTMetro/PTT.br Reference Model Fundamental Definition AS A IP (v4 v6) AS B 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
16 PTTMetro/PTT.br Basic Operational Model Allowed Traffic AS A MAC A MAC B AS B IP (v4 v6) PTT.br Location Peering Fabric Allowed Frames with Ethertypes: 0x IPv4 0x ARP 0x86dd - IPv6 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
17 PTTMetro/PTT.br Extended Operational Model Inter AS Traffic Allowed Multiple Connections to a Location for Redundancy and/or Load Balancing AS A MAC A MAC B AS B PTT.br Location Peering Fabric AS A MAC A' AS C MAC C 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
18 PTTMetro/PTT.br Extended Operational Model Intra AS Traffic Denied Multiple Connections to a Location for Internal Traffic (local loop) AS A MAC A MAC B AS B PTT.br Location Peering Fabric AS A MAC A' AS C MAC C 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
19 PTTMetro/PTT.br Extended Operational Model Multiple AS per Single Port Shared L2 structure outside PTT.br operation domain AS A MAC A NSP Transport Provider PTT.br Location Peering Fabric MLPA AS D MAC D 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
20 PTTMetro/PTT.br Extended Operational Model Multiple AS per Single Port Use Different VLAN Tags for Logical Isolation (IEEE 802.1Q) AS A MAC A VLAN A NSP Transport Provider VLAN A VLAN B PTT.br Location Peering Fabric MLPA VLAN C AS D MAC D VLAN B 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
21 PTTMetro/PTT.br Economical Summary PTTMetro - Economically Interests for Telecommunication Companies Reduction of Transit and Interconnection Costs Last/First Mile Provisioning IP Services Interconnection Using dedicated VLANs to provide L2 logical isolation for: Internet Transit (IPv4 and IPv6), Backup, Storage, VoIP, etc Inter Locations Transport Interconnection Points (PIX) Hosting Neutral Facilities for the Brazilian Telecommunications Agency Regulated Interconnections 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team <eng@ptt.br> - NIC.br
22 PTTMetro/PTT.br Contact 5o PTT Forum 30 Nov 2011 PTTMetro/PTT.br Engineering Team - NIC.br
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