draft-ietf-ccamp-ethernet-traffic-parameters-07.txt   draft-ietf-ccamp-ethernet-traffic-parameters-08.txt 
Network Working Group Dimitri Papadimitriou Network Working Group D. Papadimitriou
Internet Draft Alcatel-Lucent Internet Draft Alcatel-Lucent
Intended status: Standards Track April 7, 2009 Intended status: Standards Track April 15, 2009
Expires: October 6, 2009 Expires: October 14, 2009
Ethernet Traffic Parameters Ethernet Traffic Parameters
draft-ietf-ccamp-ethernet-traffic-parameters-07.txt draft-ietf-ccamp-ethernet-traffic-parameters-08.txt
Status of this Memo Status of this Memo
This Internet-Draft is submitted to IETF in full conformance with the This Internet-Draft is submitted to IETF in full conformance with the
provisions of BCP 78 and BCP 79. provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF), its areas, and its working groups. Note that Task Force (IETF), its areas, and its working groups. Note that
other groups may also distribute working documents as Internet- other groups may also distribute working documents as Internet-
Drafts. Drafts.
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The Bandwidth Profile defines the set of traffic parameters The Bandwidth Profile defines the set of traffic parameters
applicable to a sequence of Service Frames, referred to as bandwidth applicable to a sequence of Service Frames, referred to as bandwidth
profile parameters: profile parameters:
o Committed Rate: indicates the rate at which traffic commits to be o Committed Rate: indicates the rate at which traffic commits to be
sent to the Ethernet LSP. The Committed Rate is described in terms sent to the Ethernet LSP. The Committed Rate is described in terms
of the CIR (Committed Information Rate) and CBS (Committed Burst of the CIR (Committed Information Rate) and CBS (Committed Burst
Size) traffic parameters. Size) traffic parameters.
. CIR is defined as the average rate (in bytes per unit of time) up o CIR is defined as the average rate (in bytes per unit of time) up
to which the network is committed to transfer frames and meets to which the network is committed to transfer frames and meets
its performance objectives. its performance objectives.
. CBS defines a limit on the maximum number of information units o CBS defines a limit on the maximum number of information units
(e.g., bytes) available for a burst of frames sent at the (e.g., bytes) available for a burst of frames sent at the
interface speed to remain CIR-conformant. interface speed to remain CIR-conformant.
o Excess Rate: indicates the extent by which the traffic sent on an o Excess Rate: indicates the extent by which the traffic sent on an
Ethernet LSP exceeds the committed rate. The Excess Rate is Ethernet LSP exceeds the committed rate. The Excess Rate is
described in terms of the EIR (Excess Information Rate) and EBS described in terms of the EIR (Excess Information Rate) and EBS
(Excess Burst Size) traffic parameters. (Excess Burst Size) traffic parameters.
. EIR is defined as the average rate (in bytes per unit of time), o EIR is defined as the average rate (in bytes per unit of time),
in excess of the CIR, up to which the network may transfer frames in excess of the CIR, up to which the network may transfer frames
without any performance objectives. without any performance objectives.
. EBS defines a limit on the maximum number of information unit o EBS defines a limit on the maximum number of information unit
(e.g., bytes) available for a burst of frames sent at the (e.g., bytes) available for a burst of frames sent at the
interface speed to remain EIR-conformant. interface speed to remain EIR-conformant.
o Color mode (CM): indicates whether the "color-aware" or "color- o Color mode (CM): indicates whether the "color-aware" or "color-
blind" property is employed by the bandwidth profile. blind" property is employed by the bandwidth profile.
o Coupling flag (CF): allows the choice between two modes of o Coupling flag (CF): allows the choice between two modes of
operations of the rate enforcement algorithm. operations of the rate enforcement algorithm.
4. Ethernet SENDER_TSPEC Object 4. Ethernet SENDER_TSPEC Object
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This field indicates the type of link that comprises the requested This field indicates the type of link that comprises the requested
Ethernet LSP. Ethernet LSP.
The permitted Ethernet Link Type values are: The permitted Ethernet Link Type values are:
Value Switching Granularity Value Switching Granularity
----- --------------------- ----- ---------------------
0 Provided in signaling. See [GMPLS-ESVCS] 0 Provided in signaling. See [GMPLS-ESVCS]
1 Ethernet Port (for port-based service) 1 Ethernet Port (for port-based service)
2 Ethernet Frame (for EVC-based service) 2 Ethernet Frame (for EVC-based service)
255 Reserved value
Values 0 through 127 are assigned by IANA via IETF Standards Values 0 through 239, and 255 are assigned by IANA via IETF
Track RFC action. Standards Track RFC Action. Value 255 is reserved by the present
document.
Values 128 through 255 are reserved for vendor specific usage. Values 240 through 254 are reserved for vendor specific usage.
Values 256 through 65535 are not to be assigned at this time.
Before any assignments can be made in this range, there
MUST be a Standards Track RFC that specifies IANA Considerations
that covers the range being assigned.
MTU: 16 bits MTU: 16 bits
This is a two-octet value indicating the MTU in octets. This is a two-octet value indicating the MTU in octets.
The MTU field MUST NOT take a value smaller than 46 bytes for The MTU field MUST NOT take a value smaller than 46 bytes for
Ethernet v2 and 38 bytes for IEEE 802.3. Ethernet v2 and 38 bytes for IEEE 802.3.
TLV (Type-Length-Value): TLV (Type-Length-Value):
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~ Value ~ ~ Value ~
| | | |
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
Type: 16 bits Type: 16 bits
Defined values are: Defined values are:
Type Length Format Description Type Length Format Description
------------------------------------------------------ ------------------------------------------------------
0 TBD Reserved Reserved value
1 TBD Reserved Reserved value 1 TBD Reserved Reserved value
2 24 see Section 3.1 Ethernet Bandwidth 2 24 see Section 3.1 Ethernet Bandwidth
Profile [MEF10.1] Profile [MEF10.1]
3 8 [GMPLS-ESVCS] Layer 2 Control 3 8 [GMPLS-ESVCS] Layer 2 Control
Processing (L2CP) Processing (L2CP)
255 TBD Reserved Reserved value
Values 0 and 255 are reserved. Values 0 through 239, and 255 are assigned by IANA via IETF
Standards Track RFC Action. Values 0 and 255 are reserved by
Values 1 through 239 are assigned by IANA via IETF Standards the present document.
Track RFC Action.
Values 240 through 254 are reserved for vendor specific Values 240 through 254 are reserved for vendor specific
usage. usage.
Values 256 through 65535 are not to be assigned at this
time. Before any assignments can be made in this range, there
MUST be a Standards Track RFC that specifies IANA
Considerations that covers the range being assigned.
Length: 16 bits Length: 16 bits
Indicates the length in bytes of the whole TLV including the Indicates the length in bytes of the whole TLV including the
Type and Length fields. A value field whose length is not a Type and Length fields. A value field whose length is not a
multiple of four MUST be zero-padded (with trailing zeros) multiple of four MUST be zero-padded (with trailing zeros)
so that the TLV is four-octet aligned. so that the TLV is four-octet aligned.
4.1. Ethernet Bandwidth Profile TLV 4.1. Ethernet Bandwidth Profile TLV
The Type 2 TLV specifies the Ethernet Bandwidth Profile. It defines The Type 2 TLV specifies the Ethernet Bandwidth Profile. It defines
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9.2. Ethernet Switching Granularities 9.2. Ethernet Switching Granularities
IANA maintains a registry of GMPLS parameters called "Generalized IANA maintains a registry of GMPLS parameters called "Generalized
Multi-Protocol Label Switching (GMPLS) Signaling Parameters". IANA is Multi-Protocol Label Switching (GMPLS) Signaling Parameters". IANA is
requested to create a new sub-registry called "Ethernet Switching requested to create a new sub-registry called "Ethernet Switching
Granularities" to contain the values that may be carried in the Granularities" to contain the values that may be carried in the
Switching Granularity field of the Ethernet SENDER_TSPEC object. Switching Granularity field of the Ethernet SENDER_TSPEC object.
Values shall be assigned as follows: Values shall be assigned as follows:
000 Reserved 000-239,255 Assigned by IANA via IETF Standards Track RFC action.
001-127 IETF Standards Track RFC action 240-254 Reserved for Vendor Specific Usage
128-255 Vendor Specific Usage 256-65535 Not assigned at this point in time.
Values 256 through 65535 are not to be assigned at this time. Before
any assignments can be made in this range, there MUST be a Standards
Track RFC that specifies IANA Considerations that covers the range
being assigned.
Initial entries in this sub-registry are as follows: Initial entries in this sub-registry are as follows:
Value Switching Granularity Reference Value Switching Granularity Reference
----- -------------------------------------- ---------- ----- -------------------------------------- ----------
0 Reserved [This.I-D] 0 Provided in signaling. [GMPLS-ESVCS]
1 Ethernet Port (for port-based service) [This.I-D] 1 Ethernet Port (for port-based service) [This.I-D]
2 Ethernet Frame (for EVC-based service) [This.I-D] 2 Ethernet Frame (for EVC-based service) [This.I-D]
255 Reserved Value [This.I-D]
9.3. Ethernet Sender TSpec TLVs 9.3. Ethernet Sender TSpec TLVs
IANA maintains a registry of GMPLS parameters called "Generalized IANA maintains a registry of GMPLS parameters called "Generalized
Multi-Protocol Label Switching (GMPLS) Signaling Parameters". IANA is Multi-Protocol Label Switching (GMPLS) Signaling Parameters". IANA is
requested to create a new sub-registry called "Ethernet SENDER_TSPEC requested to create a new sub-registry called "Ethernet SENDER_TSPEC
TLVs" to contain the TLV type values for TLVs carried in the Ethernet TLVs" to contain the TLV type values for TLVs carried in the Ethernet
SENDER_TSPEC object. SENDER_TSPEC object.
Values shall be assigned as follows: Values shall be assigned as follows:
000 Reserved 000-239,255 Assigned by IANA via IETF Standards Track RFC action.
001-239 IETF Standards Track RFC action
240-254 Vendor Specific Usage 240-254 Reserved for Vendor Specific Usage
255 Reserved 256-65535 Not assigned at this point in time.
Values 256 through 65535 are not to be assigned at this time. Before
any assignments can be made in this range, there MUST be a Standards
Track RFC that specifies IANA Considerations that covers the range
being assigned.
Initial entries in this sub-registry are as follows: Initial entries in this sub-registry are as follows:
Type Description Reference Type Description Reference
----- -------------------------------- --------- ----- -------------------------------- ---------
0 Reserved [This.I-D] 0 Reserved Value [This.I-D]
1 Reserved [This.I-D] 1 Reserved Value [This.I-D]
2 Ethernet Bandwidth Profile [This.I-D] 2 Ethernet Bandwidth Profile [This.I-D]
3 Layer 2 Control Processing (L2CP) [This.I-D] 3 Layer 2 Control Processing (L2CP) [This.I-D]
255 Reserved [This.I-D] 255 Reserved Value [This.I-D]
9.4. Ethernet Bandwidth Profiles 9.4. Ethernet Bandwidth Profiles
IANA maintains a registry of GMPLS parameters called "Generalized IANA maintains a registry of GMPLS parameters called "Generalized
Multi-Protocol Label Switching (GMPLS) Signaling Parameters". IANA is Multi-Protocol Label Switching (GMPLS) Signaling Parameters". IANA is
requested to create a new sub-registry called "Ethernet Bandwidth requested to create a new sub-registry called "Ethernet Bandwidth
Profiles" to contain bit flags carried in the Ethernet Bandwidth Profiles" to contain bit flags carried in the Ethernet Bandwidth
Profile TLV of the Ethernet SENDER_TSPEC object. Profile TLV of the Ethernet SENDER_TSPEC object.
Bits are to be allocated by IETF Standards Track RFC action. Bits are Bits are to be allocated by IETF Standards Track RFC action. Bits are
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Phone: +32 3 2408491 Phone: +32 3 2408491
E-mail: dimitri.papadimitriou@alcatel-lucent.be E-mail: dimitri.papadimitriou@alcatel-lucent.be
Full Copyright Statement Full Copyright Statement
Copyright (c) 2009 IETF Trust and the persons identified as the Copyright (c) 2009 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents in effect on the date of Provisions Relating to IETF Documents in effect on the date of
publication of this document (http://trustee.ietf.org/license-info). publication of this document (http://trustee.ietf.org/license-info).
Please review these documents carefully, as they describe your rights
and restrictions with respect to this document. Please review these documents carefully, as they describe your
rights and restrictions with respect to this document.
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