PPT-More Specific Announcements in BGP

Geoff Huston APNIC Whats a more specific A prefix advertisement that refines a covering advertisement 100008 1010016 Why advertise a more specific I To redirect packets to a different network . Network Positioning System. RIPE61 . Rome, November 2010. Stefano . Previdi. - . sprevidi@cisco.com. . Distinguished Engineer. Cisco Systems. Cisco NPS Introduction. NPS Introduction/Overview. Service Applicability. Autonomous Systems and . Interdomain. Routing (Exterior Gateway Protocol EGP). 2. Internet Infrastructure. 3. Autonomous . Systems. An . autonomous system (AS). is a region of the Internet that is administered by a single entity and that has a unified routing . PE. . draft-fang-l3vpn. -data-center-interconnect-01. L. Fang . R. Fernando . D. . Rao. . S. Boutros . PE. . draft-fang-l3vpn-virtual-pe-04. Luyuan Fang . David . Ward . Rex . Fernando . IP Routing: BGP Configuration Guide, Cisco IOS XE Release 3S 1 7KH%*3*UDFHIXO6KXWGRZQIHDWXUHUHGXFHVRUHOLPLQDWHVWKHORVVRILQERXQGRU draft-decraene-idr-reserved-extended-communities-00. Bruno Decraene France Telecom - Orange. Pierre Francois UCL . The need:. To get a reserved non-transitive BGP community. draft-ietf-grow-bgp-gshut. DISTRIBUTED DENIAL OF SERVICE (DDOS) ATTACKS. IPS/IDS. Enterprise or IDC. Service Provider Network. Router. DDoS. attack traffic consumes SP network capacity. DDoS. attacks are launched from compromised systems (bots). Rajiv Papneja - Mohan . Nanduri. Bhavani. . Parise. - Eric . Brendel. Susan Hares . - Jay . Karthik. Background and Current Status. Terminology for Benchmarking BGP Device Convergence in the (RFC 4098) / June 2005. Virtual . PE. . draft-fang-l3vpn-virtual-pe-05. Luyuan Fang, Ed. . David Ward . Rex Fernando . Michael . Schapira. Joint work with . Yaping. Zhu . and . Jennifer Rexford. (Princeton University). Once Upon a Time… . Internet Inter-Network Routing:. . Small network. Single administrative entity. some slides borrowed from Jen Rexford (Princeton U). How does BGP work. AS-level (autonomous system, collection of networks under single administrative org). Relationships (usually private info). Customer/provider (customers pay to providers). Danny McPherson . danny@arbor.net. . Shane Amante . shane@level3.net. Lixia Zhang . lixia@cs.ucla.edu. . 2. Agenda. Objective. main focus on intra-domain. outline issues with BGP scalability caused by network path explosion. Ajay Chhabria. Ajay Lele. Kevin Wang. Brocade. Giles Heron. Cisco. Setup Creation. BGP. BGP IPv4/IPv6 Routes. BGP-LS. Application Peer. OpenConfig. PCEP. PCE initiated LSPs. PCC initiated LSPs (Delegation). Chief Scientist, APNIC. Through the Routing Lens …. There are very few ways to assemble a single view of the entire Internet. The lens of routing is one of the ways in which information relating to the entire reachable Internet is bought together.