nanog mailing list archives
Re: Verizon Public Policy on Netflix
From: Michael Conlen <mike () conlen org>
Date: Mon, 21 Jul 2014 08:31:04 -0400
On Jul 18, 2014, at 2:32 PM, Jay Ashworth <jra () baylink com> wrote:
----- Original Message -----From: "Owen DeLong" <owen () delong com>But the part that will really bend your mind is when you realize that there is no such thing as "THE Internet"."The Internet as "the largest equivalence class in the reflexive, transitive, symmetric closure of the relationship 'can be reached by an IP packet from'" -- Seth Breidbart.
I happen to like this idea but since we are getting picky and equivalence classes are a mathematical structure 'can be reached by an IP packet from’ is not an equivalence relation. I will use ~ as the relation and say that x ~ y if x can be reached by an IP packet from y In particular symmetry does not hold. a ~ b implies that a can be reached by b but it does not hold that b ~ a; either because of NAT or firewall or an asymmetric routing fault. It’s also true that transitivity does not hold, a ~ b and b ~ c does not imply that a ~ c for similar reasons. Therefore, the hypothesis that ‘can be reached by an IP packet from’ partitions the set of computers into equivalence classes fails. Perhaps if A is the set of computers then “The Internet” is the largest subset of AxA, say B subset AxA, such for (a, b) in B the three relations hold and the relation partitions B into a single equivalence class. That really doesn’t have the same ring to it though does it. — Mike
Current thread:
- Re: Verizon Public Policy on Netflix, (continued)
- Re: Verizon Public Policy on Netflix Dave Crocker (Jul 14)
- Re: Verizon Public Policy on Netflix Joly MacFie (Jul 14)
- Re: Verizon Public Policy on Netflix Barry Shein (Jul 14)
- Re: Verizon Public Policy on Netflix manning bill (Jul 14)
- Re: Verizon Public Policy on Netflix Owen DeLong (Jul 17)
- Re: Verizon Public Policy on Netflix Jay Ashworth (Jul 18)
- Re: Verizon Public Policy on Netflix Owen DeLong (Jul 18)
- Re: Verizon Public Policy on Netflix Jay Ashworth (Jul 18)
- Re: Verizon Public Policy on Netflix Owen DeLong (Jul 18)
- Re: Verizon Public Policy on Netflix Valdis . Kletnieks (Jul 19)
- Re: Verizon Public Policy on Netflix Michael Conlen (Jul 21)
- Re: Verizon Public Policy on Netflix Paul S. (Jul 21)
- Re: Verizon Public Policy on Netflix Matt Palmer (Jul 21)
- Re: Verizon Public Policy on Netflix Matthew Petach (Jul 21)
- Re: Verizon Public Policy on Netflix William Herrin (Jul 18)
- Re: Verizon Public Policy on Netflix Owen DeLong (Jul 18)
- Re: Verizon Public Policy on Netflix Jay Ashworth (Jul 18)
- Re: Verizon Public Policy on Netflix Ca By (Jul 18)
- Re: Verizon Public Policy on Netflix Pete Carah (Jul 24)
- Message not available
- Re: Verizon Public Policy on Netflix Larry Sheldon (Jul 12)
- Re: Verizon Public Policy on Netflix Valdis . Kletnieks (Jul 12)