Source Brown/RenesysHave you seen this one ? :-D ... No? Then, you should go to the newest NANOG movies! It's interresting and somehow a bit funny!
As you might already guessed, the Renesys guys addressed some de-peering cases esp. the latest one between Sprint and (as usual) Cogent. But I won't tamper with that issue. Just a minor thing : they used the term DFZ (Default-Free Zone) replacing the usual "Tier-1" term. I'm not sure whether they indeed introduced that term or maybe they just used it because somebody previously has introduced that ?! somebody knows?
The DFZ according to Renesys:
- AS174 Cogent
- AS209 Qwest
- AS293* Energy Sciences Network
- AS701 Verizon
- AS1239 Sprint
- AS1299 Telia
- AS2828 XO
- AS2914 NTT
- AS3356 Level 3
- AS3549 Global Crossing
- AS6453 Teleglobe
- AS6461 Abovenet
- AS7018 AT&T
3 comments:
It has been pointed out that DFZ was really not the most appropriate term for that context. A more accurate term would be TFZ, or transit-free zone, which is what the Renesys guys are using instead now.
http://www.xo.com/carrier/Pages/carrier-services-overview.aspx
- Winner of four Atlantic-ACM Wholesale Best-in-Class Awards in 2008
- NXTComm 2007 Eos Excellence of Achievement Award for Best Backbone/Core Network
- Winner of three Atlantic-ACM U.S. Wholesale Excellence Awards in 2007
- Unique combination of nationwide, metro and wireless networks to deliver innovative IP services to customers
- Fully peered Tier I IP network with extensive private and public peering relationships
http://www.abovenet.com/about/
AboveNet, Inc. provides fiber optical connectivity solutions for business and carriers. Its private optical network delivers key network and IP services in and among 15 top U.S. metro markets and London. AboveNet's network is widely used in demanding markets such as financial services, media, health care, retail and government.
http://www.es.net/index.html
is a high-speed network serving thousands of Department of Energy scientists and collaborators worldwide. A pioneer in providing high-bandwidth, reliable connections, ESnet enables researchers at national laboratories, universities and other institutions to communicate with each other using the collaborative capabilities needed to address some of the world's most important scientific challenges.
Managed and operated by the ESnet staff at Lawrence Berkeley National Laboratory, ESnet provides direct connections to all major DOE sites (site list) with high performance speeds, as well as fast interconnections to more than 100 other networks. Funded principally by DOE's Office of Science, ESnet services allow scientists to make effective use of unique DOE research facilities and computing resources, independent of time and geographic location.
ESnet is funded by the DOE Office of Science to provide network and collaboration services in support of the agency's research missions.
Thanks for ur inputs, Meneer, Sang Pemimpin & BJ !
Post a Comment