Re: [spring] meaning of "Strict Shortest Path" algorithm in draft-ietf-spring-segment-routing-09

2016-09-19 Thread Stefano Previdi (sprevidi)
Chris, Jeff, Alex, strict-SPF behavior has been intended as the forwarding of the packet according to spf, without any form of policy. It is true that ecmp is a matter of local implementation so we could extend the behavior description to: forwarding of the packet according to spf,

Re: [spring] meaning of "Strict Shortest Path" algorithm in draft-ietf-spring-segment-routing-09

2016-09-19 Thread Stefano Previdi (sprevidi)
sorry. What I meant is that if you restrict the number of ecmp path you have computed, it is not what the definition of strict-spf is. IOW, strict-spf means that you forward according to what SPF algorithm has computed without applying any sort of constraint/policy/hack. s. > On Sep 19,

Re: [spring] meaning of "Strict Shortest Path" algorithm in draft-ietf-spring-segment-routing-09

2016-09-19 Thread Stefano Previdi (sprevidi)
> On Sep 14, 2016, at 7:06 PM, Chris Bowers wrote: > > SPRING WG, > > The current text in draft-ietf-spring-segment-routing-09 regarding the > "Strict Shortest Path" algorithm reads as follows. > >o "Strict Shortest Path": This algorithm mandates that the packet