RE: AD review of draft-ietf-l2vpn-etree-frwk

["Adrian Farrel" <[e-mail]>]

Hi Lucy,

>> Section 2.2 has
>> 
>>    An E-Tree service has one or more Root ACs and many Leaf ACs.
>> 
>> I suggest that "many" is not a necessary part of the definition although it
may be
>> probable in deployments. For the definition I think you need:
>> 
>>    An E-Tree service has one or more Root ACs and at least one Leaf AC.
>
> [Lucy] Since one key of E-tree service is prohibiting the communication
between
> leaf ACs. Therefore, one leaf AC case does not make sense. How about: An E-
> Tree service has one or more Root ACs and at least two Leaf ACs.

So, if I buy an E-tree service from my service provider to support video
distribution, and I have two leaf nodes, and one leaf node goes away, you are
saying that the service I have bought suddenly becomes an E-LAN service?

But, in principle that text is fine by me.

>> Section 2.3.1 para 2
>> 
>> s/fame/frame/
>
> [Lucy] will change it. Thanks.
> 
>> Figure 1 shows two notations "E-Tree". The associated arrows do not make it
>> clear what is the extent of the E-tree since the top one and the bottom one
show
>> different edge points. Can you tidy that up?
>
> [Lucy] I'll fix it.

Thanks,
Adrian