NLR Technical BoF:NLR PacketNet

Brent SweenyJon-Paul Herron

Madison Joint Techs

17 July 2006

Layer3 “PacketNet”

• Review architecture, connection methods

• Current status– Members– Peer networks– Institutions connecting through members

• ‘Advanced technologies’

• User-influenced policies

Typical Member Connection

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

Local Prefs

• Member default:– primary 10G: 500– backup 1G: 450– community-driven: 200, 400, 500, or

600

• Others:– peers: 300

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

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)

Services (basic and advanced)

• What are members actually doing?• See http://noc.nlr.net/l2_l3_doc/member_table-advanced.html

Coming…

• VRFs—’closed groups’ for routing

• Other services?– Commodity is being discussed– Others?