What's the weight means in the dump of edge info from USR2?
Bright Zhao
startryst at gmail.com
Thu May 11 02:03:02 CEST 2017
Thank you, that is very helpful. And actually I do have a few further questions regarding this:
1. This weight is not the one specified in Subnet, this should be something related to the host, where can I manually configure this?
2. The weight value is ONLY take round trip latency as the measurement, or including CPU power and other factors into consideration?
3. I don't know how this Weight named, but let's say it Path-weight; So in 1.1, tinc will first evaluate Subnet-weight, and if certain route have the same Subnet-weight, they will compare the Path-weight for deciding which path to forward(if direct not possible, and same hops to the destination)?
4. When will 1.1 been released as official version?
Sent from iPhone
> 在 2017年5月11日,上午2:02,Guus Sliepen <guus at tinc-vpn.org> 写道:
>
>> On Wed, May 10, 2017 at 03:41:46PM +0800, Bright Zhao wrote:
>>
>> abc to def at x.x.x.x port 655 options d weight 540
>>
>> How’s the 540 weight been calculated? What does it mean? How can I leverage this weight?
>
> Unless you specify it manually (by using the Weight configuration
> option), tinc will use the time it takes to make a connection to a peer
> as the weight. So peers with a higher latency, lower bandwidth and/or
> lower CPU power will get a higher weight.
>
> Weight is used for creating a minimum spanning tree for forwarding
> broadcast packets. With tinc 1.1, weight is also used to decide which
> node to forward packets to if direct communication with the destination
> node is not possible, if there is a tie between multiple paths with the
> same minimum number of hops.
>
>> The d of after options mean direct?
>
> d here means that PMTU discovery and MSS clamping is enabled.
>
> --
> Met vriendelijke groet / with kind regards,
> Guus Sliepen <guus at tinc-vpn.org>
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