ETSI TS 103 243-2 V1.1.1 (2014-12)

Integrated broadband cable telecommunication networks (CABLE); Testing; Conformance test specifications for 6rd technology; Part 2: Test Suite Structure and Test Purposes (TSS&TP)

DTS/CABLE-00015-2

General Information

• Status: Published
• Publication Date: 08-Dec-2014
• Technical Committee: CABLE WG4 - Network, Fault, Monitoring and Performance Management and Test & Measu
• Current Stage: 12 - Completion
• Due Date: 22-Dec-2014
• Completion Date: 09-Dec-2014

Standards Content (Sample)

ETSI TS 103 243-2 V1.1.1 (2014-12)






TECHNICAL SPECIFICATION
Integrated broadband cable
telecommunication networks (CABLE);
Testing;
Conformance test specifications for 6rd technology;
Part 2: Test Suite Structure and
Test Purposes (TSS&TP)

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2 ETSI TS 103 243-2 V1.1.1 (2014-12)



Reference
DTS/CABLE-00015-2
Keywords
IP, IPv6, transition, TSS&TP
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3 ETSI TS 103 243-2 V1.1.1 (2014-12)
Contents
Intellectual Property Rights . 4
Foreword . 4
Modal verbs terminology . 4
1 Scope . 5
2 References . 5
2.1 Normative references . 5
2.2 Informative references . 5
3 Abbreviations . 5
4 Test Suite Structure . 6
5 Test Purposes (TP) . 7
5.1 TPs for CPE . 7
5.1.1 Gateway Assignment . 7
5.1.2 Basic Function . 8
5.1.3 Fragmentation . 8
5.1.4 MSS Clamping . 9
5.1.5 Tunnel Identifiers . 10
5.2 TPs for BR . 10
5.2.1 Basic Function . 10
5.2.2 Session Control . 11
5.2.3 Fragmentation . 11
5.2.4 MSS Clamping . 12
5.2.5 NAT Timers . 13
5.2.6 Anycast Addressing . 13
5.2.7 Address Withdrawal . 14
5.2.8 Routing Tables . 15
Annex A (informative): Bibliography . 17
History . 18

ETSI

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4 ETSI TS 103 243-2 V1.1.1 (2014-12)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://ipr.etsi.org).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Technical Specification (TS) has been produced by ETSI Technical Committee Integrated broadband cable
telecommunication networks (CABLE).
The present document produced for the transition technologies accommodates an urgent need in the industry to define
requirements that enable seamless transition of Cable Networks to IPv6. Considering the depletion of IPv4 addresses,
transition to IPv6 is required in order to enable continued growth of the customer base connected to Cable Networks
and ensure service continuity for existing and new customers. High-quality connectivity to all kinds of IP-based
services and networks is essential in today's business and private life.
A plethora of transition technologies have been proposed in IETF, other standardization organizations and by
manufacturers of IP technology to allow coexistence of IPv4 and IPv6 hosts, access and core networks as well as
services. Each of these technology options is specified, implemented and deployed in various forms and stages. The
present document is based on the requirements of ETSI TS 101 569-1 [1].
The present document is part 2 of a multi-part deliverable covering the conformance tests specification for 6rd
technology.
Part 1: "Protocol Implementation Conformance Statement (PICS) proforma";
Part 2: "Test Suite Structure and Test Purposes (TSS&TP)";
Part 3: "Abstract Test Suite (ATS) and Protocol Implementation eXtra Information for Testing (PIXIT)".
Modal verbs terminology
In the present document "shall", "shall not", "should", "should not", "may", "may not", "need", "need not", "will",
"will not", "can" and "cannot" are to be interpreted as described in clause 3.2 of the ETSI Drafting Rules (Verbal forms
for the expression of provisions).
"must" and "must not" are NOT allowed in ETSI deliverables except when used in direct citation.
ETSI

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5 ETSI TS 103 243-2 V1.1.1 (2014-12)
1 Scope
The present document provides the Test Suite Structure and Test Purposes (TSS&TP) descriptions for the IPv6
transition technology 6rd to validate its implementation within a cable communications networks.
The tests are in reference to [1], the ETSI specifications for IPv6 transition technology.
The ISO standards for the methodology of conformance testing (ISO/IEC 9646-1 [i.4] and ISO/IEC 9646-2 [i.5]) as
well as the ETSI rules for conformance testing (ETSI ETS 300 406 [i.6]) are used as a basis for the test methodology.
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are necessary for the application of the present document.
[1] ETSI TS 101 569-1: "Integrated Broadband Cable Telecommunication Networks (CABLE); Cable
Network Transition to IPv6 Part 1: IPv6 Transition Requirements".
2.2 Informative references
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.4] ISO/IEC 9646-1 (1994): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework -- Part 1: General concepts".
[i.5] ISO/IEC 9646-2 (1994): "Information technology -- Open Systems Interconnection --
Conformance testing methodology and framework -- Part 2: Abstract Test Suite specification".
[i.6] ETSI ETS 300 406 (1995): "Methods for testing and Specification (MTS); Protocol and profile
conformance testing specifications; Standardization methodology".
3 Abbreviations
For the purposes of the present document, the following abbreviations apply:
6rd IPv6 Rapid Deployment
ATS Abstract Test Suite
B4 (6rd) Basic Bridging BroadBand element
BR Border Relay
CPE Customer Premises Equipment
DF Don't Fragment flag (in IPv4 header)
GRT Global Routing Table
GW GateWay
HTML HyperText Markup Language
ETSI

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6 ETSI TS 103 243-2 V1.1.1 (2014-12)
IP Internet Protocol
IPv4 IP version 4
IPv6 IP version 6
IUT Implementation Under Test
MSS (TCP) Maximum Segment Size
MTS Methods for Testing and Specification
MTU Maximum Transmission Unit
NAT Network Address Translation / Network Address Translator
PICS Protocol Implementation Conformance Statement
TCP Transmission Control Protocol
VRF Virtual Routing and Forwarding
4 Test Suite Structure
The identifier of the TP is built according to table 1 as recommended in the MTS methodologies.
Table 1: TP naming convention for 6rd
TP/////
= root 6RD IPv6 encapsulated within IPv4 –
IPv6 rapid deployment
= group BR Border Router
CPE Customer Premise Equipment
= sub-group BF Basic Function
AA Anycast Addressing
AW Address Withdrawal
FRAG Fragmentation
MSSC Maximum Segment Size
Clamping
TI Tunnel Identifiers
NT NAT Timers
SC Session Control
RT Routing Tables
GWA Gateway Assignment
= type of testing BV Valid Behaviour tests
= sequential number 01 to 99
NOTE: A sub-group may not apply for all groups.

ETSI

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7 ETSI TS 103 243-2 V1.1.1 (2014-12)
5 Test Purposes (TP)
This clause proposes a TP proforma which is used in the present document. The fields of this proforma as used in the
present document are explained in table 2.
Table 2: TP proforma field description
TP Header
TP ID The TP ID is a unique identifier according to the TP naming conventions in table 1
Test objective
Short description of test purpose objective according to the requirements from the base
standard.
Reference The reference indicates the clauses of the reference standard specifications in which the
conformance requirement is expressed.
PICS selection Reference to the PICS statement involved for selection of the TP. Contains a Boolean
expression. May contain PICS acronyms specified in table.
This section is only used in case an optional or conditional behaviour needs to be
selected. Mandatory behaviour is not identified here.
TP Behaviour
Initial conditions The initial conditions define in which initial state the IUT has to be to apply the actual TP.
(optional) In the corresponding "Test Case" (TC), when the execution of the initial condition does
not succeed, it leads to the assignment of an Inconclusive verdict.
Expected behaviour Definition of the events, which are parts of the TP objective, and the IUT are expected to
(TP body)
perform in order to conform to the base specification. In the corresponding TC," Pass" or
"Fail" verdicts can be assigned there.

5.1 TPs for CPE
5.1.1 Gateway Assignment
TP Id TP/6RD/CPE/GWA/BV/01
Test objective Check that IUT sends a DHCPv4 Request to the DHCPv4 Server after initialization
Reference
[1]: clause 6.8.9.3 Feature: 6RD Configuration
Initial conditions
with {
the IUT is properly provisioned
the interfaces are connected & functional
}
Expected behaviour
ensure that {
when {
the IUT goes online
the IUT sends a DHCPv4 Request to DHCPv4 Server
}
then {
the IUT receives the external interface address assignment
}
}

ETSI

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8 ETSI TS 103 243-2 V1.1.1 (2014-12)
5.1.2 Basic Function
TP Id TP/6RD/ CPE/BF/BV/01
Test objective Check that the IUT supports the functionality of 6RD encapsulation
Reference
[1]: clause 6.8.9.12 Feature: NAT
Initial conditions
with {
the IUT being properly provisioned
and the interfaces are connected & functional
}
Expected behaviour
ensure that {
when {
the IUT receives multiple
...