Preferred encapsulation for MPLS IPVPN

I am ordering a MPLS network and one of the questionaire questions is What is your preferred encapsulation.

The choices are:
PPP
MLPPP
HDLC
Ethernet
Frame

I am accustomed to PPP for internet T1s, but have never really been asked my preference.  These will be just T1s.

The other question is preferred routing protocol: Static, OSPF, BGP, RIP.  Can someone advise and perhaps tell of the pros and cons.

Thanks
sgarson1Asked:
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lrmooreConnect With a Mentor Commented:
Depends on the telco. For example, at&t almost always uses frame-relay local encapsulation and BGP routing. With T1 you can only choose from PPP, HDLC or Frame. There really is no considerable difference between them.
Most every MPLS implementation I have participated in uses BGP or static routing. BGP is simplest, IMHO.
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