diff options
author | Bozawglanian, Hagop (hb755d) <hb755d@att.com> | 2018-07-17 18:24:46 +0000 |
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committer | Bozawglanian, Hagop (hb755d) <hb755d@att.com> | 2018-07-17 18:28:56 +0000 |
commit | 0294677e9afcf9cc2dc24c69575cea5201d9efcb (patch) | |
tree | 19e52d4fefc237f67ac88dddd305fa146bfa8661 /docs/Chapter4 | |
parent | 08d21cd6dbf52cd968282e4548508fcbe63b5412 (diff) |
VNFRQTS - Testing Chapter 4 with new directive
Test push to see if the new directive introduced will build properly.
Change-Id: I5a582351e728ad8ff99b4d0d99b4647b6def8e9d
Issue-ID: VNFRQTS-236
Signed-off-by: Bozawglanian, Hagop (hb755d) <hb755d@att.com>
Diffstat (limited to 'docs/Chapter4')
-rw-r--r-- | docs/Chapter4/Design.rst | 214 |
1 files changed, 164 insertions, 50 deletions
diff --git a/docs/Chapter4/Design.rst b/docs/Chapter4/Design.rst index e9003e6..35acd65 100644 --- a/docs/Chapter4/Design.rst +++ b/docs/Chapter4/Design.rst @@ -26,57 +26,171 @@ Below are more detailed requirements for composing VNFs. VNF Design Requirements -* R-58421 The VNF **SHOULD** be decomposed into granular re-usable VNFCs. -* R-82223 The VNF **MUST** be decomposed if the functions have - significantly different scaling characteristics (e.g., signaling - versus media functions, control versus data plane functions). -* R-16496 The VNF **MUST** enable instantiating only the functionality that - is needed for the decomposed VNF (e.g., if transcoding is not needed it - should not be instantiated). -* R-02360 The VNFC **MUST** be designed as a standalone, executable process. -* R-34484 The VNF **SHOULD** create a single component VNF for VNFCs - that can be used by other VNFs. -* R-23035 The VNF **MUST** be designed to scale horizontally (more - instances of a VNF or VNFC) and not vertically (moving the existing - instances to larger VMs or increasing the resources within a VM) - to achieve effective utilization of cloud resources. -* R-30650 The VNF **MUST** utilize cloud provided infrastructure and - VNFs (e.g., virtualized Local Load Balancer) as part of the VNF so - that the cloud can manage and provide a consistent service resiliency - and methods across all VNF's. -* R-12709 The VNFC **SHOULD** be independently deployed, configured, - upgraded, scaled, monitored, and administered by ONAP. -* R-37692 The VNFC **MUST** provide API versioning to allow for - independent upgrades of VNFC. -* R-86585 The VNFC **SHOULD** minimize the use of state within - a VNFC to facilitate the movement of traffic from one instance - to another. -* R-65134 The VNF **SHOULD** maintain state in a geographically - redundant datastore that may, in fact, be its own VNFC. -* R-75850 The VNF **SHOULD** decouple persistent data from the VNFC - and keep it in its own datastore that can be reached by all instances - of the VNFC requiring the data. -* R-88199 The VNF **MUST** utilize a persistent datastore service that - can meet the data performance/latency requirements. (For example: - Datastore service could be a VNFC in VNF or a DBaaS in the Cloud - execution environment) -* R-99656 The VNF **MUST** NOT terminate stable sessions if a VNFC - instance fails. -* R-84473 The VNF **MUST** enable DPDK in the guest OS for VNF’s requiring - high packets/sec performance. High packet throughput is defined as greater - than 500K packets/sec. -* R-54430 The VNF **MUST** use the NCSP’s supported library and compute - flavor that supports DPDK to optimize network efficiency if using DPDK. [1]_ -* R-18864 The VNF **MUST** NOT use technologies that bypass virtualization - layers (such as SR-IOV) unless approved by the NCSP (e.g., if necessary - to meet functional or performance requirements). -* R-64768 The VNF **MUST** limit the size of application data packets - to no larger than 9000 bytes for SDN network-based tunneling when - guest data packets are transported between tunnel endpoints that - support guest logical networks. -* R-74481 The VNF **MUST** NOT require the use of a dynamic routing - protocol unless necessary to meet functional requirements. +.. req:: + :id: R-58421 + :target: VNF + :keyword: SHOULD + + The VNF **SHOULD** be decomposed into granular re-usable VNFCs. + +.. req:: + :id: R-82223 + :target: VNF + :keyword: MUST + + The VNF **MUST** be decomposed if the functions have + significantly different scaling characteristics (e.g., signaling + versus media functions, control versus data plane functions). + +.. req:: + :id: R-16496 + :target: VNF + :keyword: MUST + + The VNF **MUST** enable instantiating only the functionality that + is needed for the decomposed VNF (e.g., if transcoding is not needed it + should not be instantiated). + +.. req:: + :id: R-02360 + :target: VNF + :keyword: MUST + + The VNFC **MUST** be designed as a standalone, executable process. + +.. req:: + :id: R-34484 + :target: VNF + :keyword: SHOULD + + The VNF **SHOULD** create a single component VNF for VNFCs + that can be used by other VNFs. + +.. req:: + :id: R-23035 + :target: VNF + :keyword: MUST + + The VNF **MUST** be designed to scale horizontally (more + instances of a VNF or VNFC) and not vertically (moving the existing + instances to larger VMs or increasing the resources within a VM) + to achieve effective utilization of cloud resources. + +.. req:: + :id: R-30650 + :target: VNF + :keyword: MUST + + The VNF **MUST** utilize cloud provided infrastructure and + VNFs (e.g., virtualized Local Load Balancer) as part of the VNF so + that the cloud can manage and provide a consistent service resiliency + and methods across all VNF's. + +.. req:: + :id: R-12709 + :target: VNF + :keyword: SHOULD + + The VNFC **SHOULD** be independently deployed, configured, + upgraded, scaled, monitored, and administered by ONAP. + +.. req:: + :id: R-37692 + :target: VNF + :keyword: MUST + + The VNFC **MUST** provide API versioning to allow for + independent upgrades of VNFC. + +.. req:: + :id: R-86585 + :target: VNF + :keyword: SHOULD + + The VNFC **SHOULD** minimize the use of state within + a VNFC to facilitate the movement of traffic from one instance + to another. + +.. req:: + :id: R-65134 + :target: VNF + :keyword: SHOULD + + The VNF **SHOULD** maintain state in a geographically + redundant datastore that may, in fact, be its own VNFC. + +.. req:: + :id: R-75850 + :target: VNF + :keyword: SHOULD + + The VNF **SHOULD** decouple persistent data from the VNFC + and keep it in its own datastore that can be reached by all instances + of the VNFC requiring the data. + +.. req:: + :id: R-88199 + :target: VNF + :keyword: MUST + + The VNF **MUST** utilize a persistent datastore service that + can meet the data performance/latency requirements. (For example: + Datastore service could be a VNFC in VNF or a DBaaS in the Cloud + execution environment) + +.. req:: + :id: R-99656 + :target: VNF + :keyword: MUST + + The VNF **MUST** NOT terminate stable sessions if a VNFC + instance fails. + +.. req:: + :id: R-84473 + :target: VNF + :keyword: MUST + + The VNF **MUST** enable DPDK in the guest OS for VNF's requiring + high packets/sec performance. High packet throughput is defined as greater + than 500K packets/sec. + +.. req:: + :id: R-54430 + :target: VNF + :keyword: MUST + + The VNF **MUST** use the NCSP's supported library and compute + flavor that supports DPDK to optimize network efficiency if using DPDK. [1]_ + +.. req:: + :id: R-18864 + :target: VNF + :keyword: MUST NOT + + The VNF **MUST NOT** use technologies that bypass virtualization + layers (such as SR-IOV) unless approved by the NCSP (e.g., if necessary + to meet functional or performance requirements). + +.. req:: + :id: R-64768 + :target: VNF + :keyword: MUST + + The VNF **MUST** limit the size of application data packets + to no larger than 9000 bytes for SDN network-based tunneling when + guest data packets are transported between tunnel endpoints that + support guest logical networks. + +.. req:: + :id: R-74481 + :target: VNF + :keyword: MUST NOT + + The VNF **MUST NOT** require the use of a dynamic routing + protocol unless necessary to meet functional requirements. .. [1] Refer to NCSP’s Network Cloud specification + |