jshen@xxxxxxxxxxxxxxxxxx ("Joe Shen") writes:
> To my understanding, Per-Packet Load Balancing works only in situation
> all DNS servers installed behind the same router, and it CAN NOT
> guarantee sequencing of TCP packets.
yup.
> The first problem of PPLB is , it could not be implemented for a server
> farm which distributes across internet, and the only thing it does is
> replacing traditional load balancer with router.
yup.
> The third, ECMP in current DNS server farm guarantees both per-packet
> load balancing in UDP traffic and per-flow distribution in TCP traffic.
> Considering distributing DNS server across multiple AS, I think the
> advange is obvious than PPLB.
yup.
> ps. where can I find detailed information on Root server GTLD server
> configuration ( hardware , software, and network infrastructure)?
> I just know they use anycast but how they choose system
> platform?
i don't know what the gtld servers are doing.
but f-root's configuration is outlined at <http://www.isc.org/pubs/tn/>,
read ISC-TN-2003-1 and ISC-TN-2004-1. also <http://www.isc.org/ops/f-root/>.
--
Paul Vixie
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