Outer Header Translator - multihomingNeptelaJapanmatsuhira.ietf@gmail.comThis document describes how to achieve multihoming using OHT. This
document describes both the use of provider addresses and provider
independent addresses.The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119.This document describes how to achieve multihoming using OHT. This document describes both the
use of provider addresses and provider independent addresses.This section describes multihoming configuration with OHT. OHT C1 ------------> OHT P1 -----------> Server
+-----------+ +-----------+ +-----------+
| IP | data | | IP | data | | IP | data |
+-----------+ +-----------+ +-----------+
src: PA(#1) src: PA(#1) src: PA(#1)
dst: Server dst: Server dst: Server
]]> OHT C1 -----------> OHT C2 -----------> OHT P2
+-----------+ +----------------+ +----------------+
| IP | data | | IP | IP | data | | IP | IP | data |
+-----------+ +----------------+ +----------------+
src: PA(#1) src: C1 src: C2
dst: Server dst: C2 dst: P2
OHT P2 ------------> OHT P1 -------------> Server
+---------------+ +-----------+
| IP | IP |data | | IP | data |
+---------------+ +-----------+
src: P2 src: PA(#1)
dst: P1 dst: Server
]]> OHT C1 ------------> OHT P1 ---------> Server
+-----------+ +----------------+ +-----------+
| IP | data | | IP | IP | data | | IP | data |
+-----------+ +----------------+ +-----------+
src: PI src: C1 src: PI
dst: Server dst: P1 dst: Server
]]>This document makes no request of IANA.Note to RFC Editor: this section may be removed on publication as an
RFC.IPsec for internal packets works because internal packets are
forwarded unchanged.It may be listed in the future.