[Hipsec] Comment about Fig.6 in rfc5206-bis-01
Samu Varjonen <samu.varjonen@hiit.fi> Wed, 19 January 2011 09:33 UTC
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Date: Wed, 19 Jan 2011 11:36:08 +0200
From: Samu Varjonen <samu.varjonen@hiit.fi>
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Subject: [Hipsec] Comment about Fig.6 in rfc5206-bis-01
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Hi,
The Fig. 6 in draft-ietf-hip-rfc5206-bis-01 could be clearer on the locator
part. IMO the way RFC 5770 handles this would be better. See the proposal below.
0 1 2 3
0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Type | Length |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Traffic Type | Loc Type = 0 | Locator Length| Reserved |P|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Locator Lifetime |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Address |
| |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
. .
. .
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Traffic Type | Loc Type = 1 | Locator Length| Reserved |P|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Locator Lifetime |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| SPI |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
| Address |
| |
| |
| |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type: 193
Length: Length in octets, excluding Type and Length fields, and
excluding padding.
Traffic Type: Defines whether the locator pertains to HIP signaling,
user data, or both.
Locator Type: Defines the semantics of the Locator field.
Locator Length: Defines the length of the Locator field, in units of
4-byte words (Locators up to a maximum of 4*255 octets are
supported).
Reserved: Zero when sent, ignored when received.
P: Preferred locator. Set to one if the locator is preferred for
that Traffic Type; otherwise, set to zero.
Locator Lifetime: Locator lifetime, in seconds.
SPI: Security Parameter Index (SPI) value that the host expects to see
in incoming ESP packets that use this locator
Address: IPv6 address or an "IPv4-Mapped IPv6 address" format IPv4
address [RFC4291]
BR,
Samu
- [Hipsec] Comment about Fig.6 in rfc5206-bis-01 Samu Varjonen
- Re: [Hipsec] Comment about Fig.6 in rfc5206-bis-01 Henderson, Thomas R