On 18/01/2014 04:09, Mukom Akong T. wrote: > Does anyone have any experiences or insights to share on how more (or > less) efficient routing is with IPv6? Any specific thoughts with respect to > how the following characteristics help or not with routing efficiency? > - fixed header size > - Extension header chain > - flow labels in header > - no intermediate fragmentation > - no checksums
extension headers are a poor idea because it's troublesome to process them on cheap hardware. Because of this, packets with any sort of extension headers are routinely dropped by a large percentage of organisations. Flow labels are generally unused (i.e. set to zero by many host stacks). Nick
