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| -rw-r--r-- | docs/requirements/glossary.rst | 9 | ||||
| -rw-r--r-- | docs/requirements/introduction.rst | 24 |
2 files changed, 19 insertions, 14 deletions
diff --git a/docs/requirements/glossary.rst b/docs/requirements/glossary.rst index bbef60f..82fafd8 100644 --- a/docs/requirements/glossary.rst +++ b/docs/requirements/glossary.rst @@ -3,9 +3,10 @@ **Definition of terms** -Different SDOs and communities use different terminology related to -NFV/Cloud/SDN. This list tries to define an OPNFV terminology, -mapping/translating the OPNFV terms to terminology used in other contexts. +Different standards developing organizations and communities use different +terminology related to Network Function Virtualization, Cloud Computing, and +Software Defined Networking. This list defines the terminology in the contexts +of this document. .. glossary:: @@ -54,7 +55,7 @@ mapping/translating the OPNFV terms to terminology used in other contexts. VM Virtual Machine. Virtualized computation environment that behaves like a - physical computer/server by (re-)creating the computing architecture of a + physical computer/server by modeling the computing architecture of a real or hypothetical computer. Virtual network diff --git a/docs/requirements/introduction.rst b/docs/requirements/introduction.rst index 378578e..45879e2 100644 --- a/docs/requirements/introduction.rst +++ b/docs/requirements/introduction.rst @@ -32,20 +32,20 @@ Problem Description Traditionally, OpenStack networking, represented typically by the OpenStack Neutron project, targets virtualized data center networking. This comprises primarily establishing and managing layer 2 network connectivity among VMs -(Virtual Machines). Over the past releases of OpenStack, Neutron has accumulated -an extensive feature set, covering L2 and L3 networking features such as <list -of examples>. +(Virtual Machines). Over the past releases of OpenStack, Neutron has grown to +provide an extensive feature set, covering L2 and L3 networking features such as +virtual layer 2 networks, virtual routers, BGP VPNs and others. It is often stated that NFV imposes additional requirements on the networking architecture and feature set of the underlying NFVI beyond those of data center networking. For instance, the NFVI needs to establish and manage connectivity beyond the data center to the WAN (Wide Area Network). Moreover, NFV networking -use cases often abstract from L2 connectivity and for example focus on L3-only +use cases often abstract from L2 connectivity and instead focus on L3-only connectivity. Hence, the NFVI networking architecture needs to be flexible enough to be able to meet the requirements of NFV-related use cases in addition to traditional data center networking. -It is an ongoing debate how well the current OpenStack networking architecure +It is an ongoing debate how well the current OpenStack networking architecture can meet the additional requirements of NFV networking. Hence, a thorough analysis of NFV networking requirements and their relation to the OpenStack networking architecture is needed. @@ -64,14 +64,18 @@ following: Programming Interfaces) and data models needed to realize a given NFV use case. -- The list of use cases is not considered to be all-emcompassing but it +- The list of use cases is not considered to be all-encompassing but it represents a carefully selected set of use cases that are considered to be - relevant at the time of writing. More use cases may be added over time. + relevant at the time of writing. More use cases may be added over time. The + authors are very open to suggestions, reviews, clarifications, corrections + and feedback in general. - This document contains a thorough analysis of the gaps in the current OpenStack networking architecture with respect to the requirements imposed - by the selected NFV use cases. + by the selected NFV use cases. To this end, we analyze existing functionality + in OpenStack networking. -- This document describes the proposed improvements and complementary solutions - needed to enable OpenStack to fulfill the identified NFV requirements. +- This document will in future revisions describe the proposed improvements + and complementary solutions needed to enable OpenStack to fulfill the + identified NFV requirements. |