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Transcript
RedCLARA Update Eriko Porto CLARA Network Engineering Group [email protected] Agenda • RedCLARA Connections • Global Routing Policy • Network Services CLARA – Cooperación Latino Americana de Redes Avanzadas LA-NRENs connected RAGIE RAICES RENIA CUDI clara-mx RENATA REACCIUN RedCyT clara-pa clara-br CEDIA RNP RAAP clara-cl clara-ar RAU REUNA RETINA Topology of the Network RNP • Rede Nacional de Ensino e Pesquisa • 1 Gbps connection • Hired Bandwidth – 155 Mbps CUDI CENIC Tijuana UTEP Cd. Juárez • Corporación Universitaria para el CLARA Desarrollo de Internet Guadalajara • 1 Gbps connection • Hired Bandwidth – 45 Mbps Monter rey México Cancún RedCyT • Red científica y Tecnológica • 1 Gbps connection • Hired Bandwidth – 10 Mbps REUNA • Red Universitaria Nacional • 1 Gbps connection • Hired Bandwidth – 90 Mbps RETINA • Red TeleInformática Académica • STM-1 connection • Hired Bandwidth – 90 Mbps (ATM) REACCIUN • Corporación Universitaria para el Desarrollo de Internet • DS3 connection • Hired Bandwidth – 45 Mbps RAU • Red Académica Uruguaya • STM-1 connection • Hired Bandwidth • 10 Mbps (ATM) RAAP • Red Académica Peruana • DS3 connection • Hired Bandwidth – 10 Mbps CEDIA • Consorcio Ecuatoriano para el Desarrollo de Internet Avanzado • 5 x E1 connection • Hired Bandwidth • 10 Mbps RENATA • Red Nacional Académica de Tecnología Avanzada • 5 x E1 connection • Hired Bandwidth – 10 Mbps Central America Connections NREN Guatemala CE NREN Costa Rica CE RAGIE NREN El Salvador CE RAICES NREN Nicaragua CE RENIA CR2Net RedCLARA Costa Rica PE-CR TELECOM El Salvador PE-SV EoMPLS (AToM) MPLS domain ENITEL Nicaragua PE-NI TELGUA Guatemala PE-GT RedCLARA Telnort PE-MX RedCLARA Bestel CE LA-NRENs Protocols NREN ASN BGP-IPv4 BGP-IPv6 Mcast-v4 MSDP Mcast-v6 RNP - BR 1916 CUDI - MX 18592 RedCyT - PA 65507 REUNA - CL 11340 RETINA - AR 3597 REACCIUN - VE 20312 RAAP - PE 6147 RAU - UY 1797 RENIA - NI 65102 RAGIE - GT 65103 RAICES - SV 65104 CEDIA - EC 27841 RENATA - CO 64699 R&E Networks Connectivity Pacific Wave 1.0 Gbps GEANT 622 Mbps Abilene CalRen NLR WHRENLILA TEP 2.5 Gbps AARNet ESnet PNWGP NISN TWAREN AMPATH Abilene GEANT Protocols NREN ASN BGP-IPv4 BGP-IPv6 Mcast-v4 MSDP Mcast-v6 GEANT 29065 CalREN 2153 AMPATH 20080 ABILENE (east) 11537 ABILENE (west) 11537 ESNet 293 NISN 24 PNWGP 101 AARNet 7575 NLR 19401 TWAREN 7539 Agenda • RedCLARA Connections • Global Routing Policy • Network Services RedCLARA Routing • RedCLARA is peering with several Regional Networks through its access links from ALICE and WHREN-LILA projects • Some of these peerings have multi-homed configuration (possibility to access the network through different connections) • The global policy adopted by RedCLARA is geographic proximity – NRENs will preferentially use the nearest exit to exchange traffic with other networks RedCLARA Routing Pacific Wave 1.0 Gbps GEANT 622 Mbps WHRENLILA TEP 2.5 Gbps RedCLARA Communities • All internal and received prefixes will be marked to one or more BGP communities • There are 3 basic types of peerings: ITN (International Transit Network), Connector (regional network) and NREN • NREN receives all prefixes • ITNs and Connectors receive only NREN prefixes, unless there is a specific agreement for transit RedCLARA Communities Pacific Wave 1.0 Gbps GEANT 622 Mbps WHRENLILA TEP 2.5 Gbps NREN set community 27750:64100 ITN set community 27750:64200 CONNECTOR set community 27750:64300 Agenda • RedCLARA Connections • Global Routing Policy • Network Services Services of the network • • • • Multicast IPv6 IPv6 Multicast Bandwidth Availability Traffic Engineering • Use of MPLS Traffic Engineering in the backbone • Applications sensitive to delay could “indicate” to the network their requirement for a different path • Manually defined tunnels should prevail over the normal IGP routing decision process Traffic Engineering • Round-Trip Times of the links Tijuana RTT 70 ms Panama RTT 160 ms RTT ?? ms RTT 55 ms Santiago Sao Paulo RTT 25 ms RTT 20 ms Buenos Aires Traffic Engineering • Use of MPLS-TE Tijuana traffic Panama Santiago Sao Paulo Buenos Aires Traffic Engineering • Use of MPLS-TE Tijuana Panama Santiago MPLS-TE tunnels Sao Paulo Buenos Aires Traffic Engineering • Steps 1 – create the tunnel 2 – apply PBR Tijuana Panama Santiago 3 – marking and forwarding Sao Paulo Buenos Aires Traffic Engineering and QoS • It is possible also to give preference to the marked traffic • RedCLARA is investigating the proper tools to classify the traffic entering the network • MPLS-TE has embedded tools for delivering QoS to the applications RedCLARA • CLARA – Cooperación LatinoAmericana de Redes Avanzadas Thank you! Eriko Porto [email protected]
