NAME

BU_A0_H0 - Receiving valid BU A=0


TARGET

Host/Router


SYNOPSIS

BU_A0_H0.seq [-tooloption ...] -pkt BU_A0_H0.def
-tooloption: v6eval tool option


TOPOLOGY

                                MN'
                                |
                --------+-------+------- LinkY
                        |
                        R1      MN
                        |       |
        --------+-------+-------+------- LinkX
                |
       NUT      R0
        |       |
--------+-------+----------------------- Link0
Link0 global 3ffe:501:ffff:100::/64  
LinkX global 3ffe:501:ffff:102::/64 home link
LinkY global 3ffe:501:ffff:103::/64 foreign link
R0(Link0) global 3ffe:501:ffff:100::a0a0  
link-local fe80::200:ff:fe00:a0a0
ether 00:00:00:00:a0:a0
MN global 3ffe:501:ffff:102:200:ff:fe00:8 home address
MN' global 3ffe:501:ffff:103:200:ff:fe00:8 care-of address


INITIALIZATION

NUT      MN
 |       |
 | <---- | Echo Request
 | ----> | Echo Reply
 |       |

1. Send Echo Request
2. Wait Echo Reply
3. Receive Echo Reply


TEST PROCEDURE

NUT      MN      MN'
 |       |       |
 | <---- |       | HoTI
 | <------------ | CoTI
 | ----> |       | HoT (*1)
 | ------------> | CoT (*2)
 |       |       |
 | <------------ | BU
 | --X   |       | no response (*3)
 |       |       |
 | <------------ | Echo Request w/ HaO
 | ------------> | Echo Reply w/ RH (*4)
 |       |       |

1. Send HoTI & CoTI
2. Wait HoT & CoT
3. Receive HoT & CoT (*1) (*2)
4. Send BU
5. No response (*3)
6. Send Echo Request w/ HaO
7. Wait Echo Reply w/ RH
8. Receive Echo Reply w/ RH (*4)


JUDGEMENT

(*1) PASS: MN receives HoT
(*2) PASS: MN' receives CoT
(*3) PASS: no response
     WARN: MN' receives BA
     FAIL: Lifetime is grater than MAX_RR_BINDING_LIFE
     FAIL: Recv unexpect packets
(*4) PASS: MN' receives Echo Reply w/ RH


REFERENCE

<draft-ietf-mobileip-ipv6-19.txt>
5.2.6. Authorizing Binding Management Messages
----------------------------------------------------------------
   Bindings established with correspondent nodes using keys created
   by way of the return routability procedure MUST NOT exceed
   MAX_RR_BINDING_LIFE seconds (see Section 12).
----------------------------------------------------------------

<draft-ietf-mobileip-ipv6-19.txt>
6.1.8. Binding Acknowledgement Message
----------------------------------------------------------------
      Lifetime
         The granted lifetime, in time units of 4 seconds, for which
         this node SHOULD retain the entry for this mobile node in its
         Binding Cache.  A value of all one bits (0xffff) indicates
         infinity.
----------------------------------------------------------------

<draft-ietf-mobileip-ipv6-19.txt>
9.5.4. Sending Binding Acknowledgements
----------------------------------------------------------------
    -  If the Binding Update was silently discarded as described in
       Section 9.5.1, a Binding Acknowledgement MUST NOT be sent.
    -  Otherwise, if the Acknowledge (A) bit set is set in the Binding
       Update, a Binding Acknowledgement MUST be sent.
    -  Otherwise, if the node rejects the Binding Update, a Binding
       Acknowledgement MUST be sent.
    -  Otherwise, if the node accepts the Binding Update, a Binding
       Acknowledgement SHOULD NOT be sent.
----------------------------------------------------------------

<draft-ietf-mobileip-ipv6-19.txt>
12. Protocol Constants
----------------------------------------------------------------
      MAX_RR_BINDING_LIFE      420 seconds
----------------------------------------------------------------


SEE ALSO

MIP6.pm
MIP6.def