Heiner, how does TARA relate to interplanetary communication?
2011.03.22 вторник 11:21:38 [email protected]: > > Last year Ireceived an email from Joel Halpern by which he proclaimed TARA > does not work,PAR FORCE, unless I submitted a draft. Well, so I did submit > draft-hummel-tara-00.txt which has now successfullyexpired. During its > lifetime I received no single comment which showed thatTARA does not work. > Hence, I like to add: TARA works par force. > > Myself I doknow that TARA works as sure as a²+b²=c² according to Pythagoras, > because Iknow that all my algorithms work. > > In the pastI also was told that the TARA objectives are not persuasive enough: > Neither theelimination of the scalability problem (getting rid of prefix > building,stopping reachability info dissemination, stopping collecting paths > (needing noRIBs), nor the increased speed (1 table offset for getting the > next hop – bothfor the best next hop as well as any temporary alternative), > nor the improvedrouting capabilities (by providing 100 % orientation such > that endless loopswill be safely disabled even whiledetouring via more > remote routers), nor the new capabilities like well-scoped broadcast, > state-less multicast, northe way to make distributed denial-of-service > attacks ineffective, nor theenabling of well scoped traffic load > notifications towards the upstreamsurrounding, nor its help to make the IPv4 > address depletion a non-issue, etc.etc. > > Over thelast eight years I have tried many times to fan discussions about the > IETFrouting paradigms themselves which I consider to be the true causes for > a) thescalability problem and b) for having a such under-performing network > layerthat only “try-and-see” driven efforts like shim6, conex, rtgwg,… do/can > evolvebased on them. In vain: all attemptswere blocked by common silence, > either due to lack of arguments or because theyare right par force > –particularly prefix building. Lixia would favour smarterprefix building, but > how can something be made smarter, if it is the oppositeof smartness? > > One lastword about Hierarchical Routing (HR): I opposed Dima Krioukov’s > critics on HR’sbad stretch behavior. But he was right wrt. that kind of HR > that has no scrolling capability. HoweverTARA (just like Google’s route > planner which has caught up with TARA meanwhile)does not fall under this > category. > > AproposPythagoras. He was the first man (570 B.C.) who propagated that the > earth is aball. > About 2000years passed until Christopher Columbus utilized this knowledge and > sailed Westin order to get East. That was about 500 years ago. My conclusion: > It will takeabout 2000 - 500 = 1500 years until the IETF will realize that > this planet is a balland that Columbus-routing is a real and appropriate > option. According tocurrent BGP however, this planet is as flat as a pancake > and its masterpiecealgorithm won’t enable paths where, by going to more and > more remote routers,you may get to some turning point from whereon you will > get closer and closerto your destination. Neither today nor in 1500 years! . > So I canonly encourage the young students to disbelieve in all these rescue > attemptslike LISP or ILNP whose goal is to restore rather than to reform. > > Heiner > > > > _______________________________________________ rrg mailing list [email protected] http://www.irtf.org/mailman/listinfo/rrg
