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Diffstat (limited to 'unit4/unit4.typ')
| -rw-r--r-- | unit4/unit4.typ | 22 |
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diff --git a/unit4/unit4.typ b/unit4/unit4.typ index a81a9cc..7072193 100644 --- a/unit4/unit4.typ +++ b/unit4/unit4.typ @@ -140,4 +140,26 @@ _A Resource Pool is a logical abstraction of the aggregated computing resources, #figure( image("./assets/psbbss.png") ) +- Comprised of aggregated storage space of a set of physical drives. +- Storage space is allocated from the storage pool to logical unit number (LUN). +- LUNs are then provisioned to consumers upon recieving their storage requests. +- Storage of multiple drives is aggregated into a single pool. +- LUNs of smaller amount of storage created and assigned to consumers. +=== Pooling storage across block based storage systems +#figure( + image("./assets/psabbss.png") +) +- More complex form of strage pooling. +- Higher level storage pool created by pooling multiple storage pools. +- LUNs allocated from these higher level storage pools. +=== Pooling network bandwidth of NICs +#figure(image("./assets/pnbn.png")) +- VMs obtain network bandwidth from network pools. +- VMs allocated appropriate resources to meet required service level. == Identity pools +#figure(image("./assets/identitypool.png")) +_An identity pool, unlike a resource pool, specifies a range of network identifiers such as virtual network IDs and MAC addresses. These IDs are allocated from the identity pools to the elements of cloud services._\ +- May map or allocate IDs to a particular service or to a group of service. +- If it runs out of IDs, then administrators may create an additional pool or add more identities to the existing pool. +- 1-to-1 mapping between identity pool and service simplifies the tracking and use of IDs by a particular service. +- Increases management complexity as multiple identity pools must be created and managed. |