Being "always on" is being always off, to something.
In Baghdad, Sectarian Lines Too Deadly to Cross
Topic: Current Events
8:41 am EST, Mar 4, 2007
Ms. Shaima said her two sons now carried guns at night to protect her and her neighbors. The Shiite-led Iraqi government will not protect them because the Shiites "want to finish us," she said. "They will start breaking into our houses, raping us in front of our children, then killing us with our kids," she added. "They will let Iraq reach a point where Palestinian misery will seem like a picnic."
... Some Iraqis draw the border at their own doorsteps.
Saadi Khazaal Jawad, 60, a Shiite former government worker and restaurateur, said his neighborhood was so dangerous, he was a virtual shut-in.
On most days, Mr. Jawad said, he prays, eats, naps, reads newspapers and watches television. Oprah Winfrey and Rachael Ray are among his favorites.
... Iraqis all across Baghdad said it could take years ...
Mr. Kasparov had handed the bullhorn to Sergey V. Gulayev, a member of an opposition faction in the local legislature in St. Petersburg.
“The government is afraid of the slightest wind,” Mr. Gulayev he told the crowd. “The government is fragile, and afraid, and will collapse with one push.”
As he spoke, riot police shoved through the crowd and grabbed the bullhorn from his hands, smashing it against the wall of a building. A policeman put Mr. Gulayev, grimacing, in a headlock and dragged him into a police vehicle as members of the crowd yelled “Shame! Shame!”
"We do not need to implement security measures except against those who reject the language of reconciliation and dialogue ..."
"We present in our hand a green olive branch, and in the other hand we present the law."
Do these statements strike you as misguided? How do you selectively implement security measures? What does it mean to "reject language"? Is the civil war a debate over semantics? Why is "the law" presented as being in opposition to peace? Shouldn't the law be consistent with peace?
There exist routing algorithms such that even if all of 2^128 IPv6 ‘nodes’ are completely de-aggregated (i.e., all IPv6 addresses are used as flat IDs), the ‘DFZ’ (default-free zone) routing tables still contain less than 128^2 ~ 16,000 entries (~1000 entries for IPv4)
The Thorup-Zwick (TZ) compact routing scheme is the first generic stretch-3 routing scheme delivering a nearly optimal per-node memory upper bound. Using both direct analysis and simulation, we derive the stretch distribution of this routing scheme on Internet-like inter-domain topologies. By investigating the TZ scheme on random graphs with power-law node degree distributions, Pk k−γ, we find that the average TZ stretch is quite low and virtually independent of γ. In particular, for the Internet inter-domain graph with γ 2.1, the average TZ stretch is around 1.1, with up to 70% of all pairwise paths being stretch-1 (shortest possible). As the network grows, the average stretch slowly decreases.
We find routing table sizes to be very small (around 50 records for 104-node networks), well below their theoretical upper bounds. Furthermore, we find that both the average shortest path length (i.e. distance) d and width of the distance distribution σ observed in the real Internet inter-AS graph have values that are very close to the minimums of the average stretch in the d- and σ-directions. This leads us to the discovery of a unique critical point of the average TZ stretch as a function of d and σ. The Internet’s distance distribution is located in a close neighborhood of this point.
This is remarkable given the fact that the Internet inter-domain topology has evolved without any direct attention paid to properties of the stretch distribution. It suggests the average stretch function may be an indirect indicator of the optimization criteria influencing the Internet’s inter-domain topology evolution.
Workshop participants concluded that the so-called locator/identifier overload" of the IP address semantics is one of the causes of the routing scalability problem as we see today. Thus a "split" seems necessary to scale the routing system, although how to actually architect and implement such a split was not explored in detail.
... All identifier/locator split proposals require a mapping service that can return a set of locators corresponding to a given identifier. In addition, these proposals must also address the problem of detecting locator failures and redirecting data flows to remaining locators for a multihomed site.
The locator-identifier split represents a fundamental architectural issue and IAB should lead the investigation into understanding of both how to make this architectural change and the overall impact of the change.
There are reasons to believe that current trends in the growth of routing and addressing state on the global Internet may not be scalable in the long term
• An Internet-wide replacement of IPv4 with IPv6 represents a once-in-a-generation opportunity to either continue current trends or to deploy something truly innovative and sustainable
• As currently specified, routing and addressing with IPv6 doesn’t really differ from IPv4 – it shares many of the same properties and scaling characteristics
... These kinda look exponential or quadratic; this is bad ... and it’s not just about adding more cheap memory to systems
... Without architectural or policy constraints, costs are potentially unbounded; even with constraints, service providers are doomed to continual upgrades, passed along to consumers
