NLR Technical BoF: NLR PacketNet Brent Sweeny Jon-Paul Herron
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NLR Technical BoF:NLR PacketNet
Brent SweenyJon-Paul Herron
Madison Joint Techs
17 July 2006
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Layer3 “PacketNet”
• Review architecture, connection methods
• Current status– Members– Peer networks– Institutions connecting through members
• ‘Advanced technologies’
• User-influenced policies
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Typical Member Connection
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Routed IP Service• Production-quality, no explicit SLA
• AUP-free– no prefix size limit (/32s accepted)– Still use prefix-lists or AS-path lists for case of
misconfiguration
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Local Prefs
• Member default:– primary 10G: 500– backup 1G: 450– community-driven: 200, 400, 500, or
600
• Others:– peers: 300
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Communities• “Type” Communities (set by NLR)• Other Communities (set by member)
– Blackhole– Local Pref setting– AS-prepend– “do not send to...”– members-only– See communities page at
http://noc.nlr.net/l2_l3_doc/nlr-communities2.html
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PacketNet Services
• Jumbo frames (9000 IP MTU)• IPv4
– Unicast
– Multicast (MSDP, PIM, MBGP NLRI)
• IPv6– Address allocations available if needed
– Unicast
– Multicast (PIM, MBGP, Embedded RP)
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Services (basic and advanced)
• What are members actually doing?• See http://noc.nlr.net/l2_l3_doc/member_table-advanced.html
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Coming…
• VRFs—’closed groups’ for routing
• Other services?– Commodity is being discussed– Others?