As a PaaS framework, there are some key elements that the cloud computing industry is taking interest on Apache Stratos (incubating). This presentation explore the unique advantaged of Apache Stratos as a PaaS framework.
DUST OF SNOW_BY ROBERT FROST_EDITED BY_ TANMOY MISHRA
Building a cloud native platform with Apache PaaS
1. Last Updated: March. 2014
VP
Developer
Evangalism
Samisa
Abeysinghe
Building
a
Cloud
Na5ve
Pla8orm
with
Apache
Stratos
2. *
*
๏ Cloud
Na)ve
pla-orms
accelerates
innova)on,
increases
opera)onal
efficiency,
reduces
costs
๏ The
key
building
blocks
of
the
cloud
na)ve
pla-orms
are
-‐
service
provisioning
-‐
load
balancing
-‐
management
-‐
policy
enforcement
-‐
auto
scaling
-‐
monitoring,
metering
and
logging
-‐
mul)-‐tenancy
-‐
mul)-‐cloud,
cloud
SLA
and
cloud
burs)ng
-‐
control/governance
-‐
extendability
Cloud
Na5ve
Pla8orm
3. *
*
๏ Enterprise-‐grade
Open
Pla-orm
as
a
Service
๏ Stratos
ini)ally
developed
by
WSO2
and
donated
to
Apache
Stratos
What
is
Apache
Stratos
(incuba5ng)?
5. *
*
Why
is
this
architecture
so
important?
๏ Cartridge
model
enable
bringing
in
even
legacy
apps
into
cloud
๏ Unified
communica)on
across
components
in
the
PaaS
using
message
broker
๏ Centralized
monitoring
and
metering
with
unified
logging
framework
-‐
ability
to
plug
in
BAM
๏ Ability
to
plugin
any
IaaS
due
to
the
use
of
jclouds
API
๏ Ability
to
plugin
any
third
party
load
balancer
using
message
broker
model
๏ Ability
to
plugin
any
third
party
health
checking/
monitoring
framework
Apache
Stratos
PaaS
Architecture
6. *
*
How
Scalable
it
is?
๏ In
theory
infinite
-‐
horizontal
scaling
-‐
limited
by
resource
(instance
capacity)
availability
How
Dynamic
it
is?
๏ Load
Balancers
are
spawned
dynamically
-‐
LB
too
is
a
cartridge
๏ In
case
of
mul)-‐cloud,
mul)-‐region,
LB
can
scale
per
cloud/region
๏ Per
service
cluster
LB
Scalable
and
Dynamic
Load
Balancing
7. *
*
What
is
unique
about
Stratos/Private
PaaS
๏ Cartridge
based
LB
model
๏ Can
bring
any
third-‐party
LB
-‐
HAProxy,
nginx
-‐
As
easy
as
plugging
into
LB
extension
API
Scalable
and
Dynamic
Load
Balancing..
8. *
*
What
is
it?
๏ Scaling
algorithm
can
use
mul)ple
factors.
such
as
-‐
Load
avarage
of
the
instance
-‐
Memory
consump)on
of
the
instance
-‐
In-‐flight
request
count
in
LB
๏ Capable
of
predic)ng
future
load
-‐
Real
)me
analysis
of
current
load
status
using
CEP
integra)on
-‐
Predict
immediate
future
load
based
on
CEP
resul)ng
streams
Mul5-‐factored
Auto
Scaling
9. *
*
Why
should
one
care?
๏ Maximise
resource
u)liza)on
๏ Easy
to
do
capacity
planning
๏ Dynamic
load
based
resource
provisioning
๏ Op)mizing
across
mul)ple
clouds
What
are
the
advantages?
๏ Make
DevOps
life
easy
๏ More
accurate
capacity
planning
Mul5-‐factored
Auto
Scaling...
10. *
*
What
are
the
smart
policies?
๏ Auto
scaling
๏ Deployment
Auto
scaling
policy
๏ Define
thresholds
values
pertaining
scale
up/down
decision
๏ Auto
Scaler
refer
this
policy
๏ Defined
by
DevOps
Deployment
policy
๏ Defined
how
and
where
to
spawn
cartridge
instances
๏ Defined
min
and
max
instances
in
a
selected
service
cluster
๏ Defined
by
DevOps
based
on
deployment
paYerns
Smart
Policies
11. *
*
Why
should
one
care?
๏ Can
provide
cloud
SLA
What
are
the
advantages?
๏ Make
DevOps
life
easy
-‐
help
keep
to
SLA
๏ Make
SaaS
app
delivery
life
easy
-‐
do
not
have
to
worry
about
availability
in
applica)on
layer
Smart
Policies
12. *
*
What
MT
model
does
it
support?
๏ Container
MT
-‐
virtual
Machine,
LXC,
Docker
๏ In-‐container
MT
-‐
within
VM/LXC/Docker
tenancy
What
is
unique?
๏ Can
have
high
tenant
density
What
are
the
advantage
of
this
model?
๏ Op)mizing
resource
u)liza)on
-‐
by
sharing
resource
such
as
CPU,
memory
across
tenants
-‐
low
footprint,
based
on
u)liza)on/usage
of
the
tenants
app
๏ No
need
dedicated
resource
alloca)on
for
tenants
Mul5-‐tenancy
13. *
*
What
is
a
Par55on?
๏ Logically
group
IaaS
resource
loca)ons
๏ Par))ons
are
important
to
make
applica)on
high
availability
๏ Cartridge
instances
are
spawned
inside
these
par))ons
๏ Par))ons
are
defined
by
DevOps
What
is
a
network
par55on?
๏ Logical
groups
mul)ple
par))ons,
that
are
in
the
same
network
๏ Stratos
will
spawn
Load
Balancers
per
network
par))on
๏ Since
LB
instances
and
cartridge
instances
reside
in
same
network,
they
can
communicate
using
private
IP
addresses
๏ Used
in
deployment
policies
Controlling
IaaS
Resources
14. *
*
What
are
the
advantages?
๏ Can
controll
-‐
per
cloud,
per
region,
per
zone,
...etc
๏ Can
achieve
high
availability,
disaster
recovery
๏ Help
for
cloud
SLA
๏ Control
the
resource
u)liza)on
๏ Help
with
geo
based
deployments
-‐
help
comply
with
geo
rules/regula)ons
Controlling
IaaS
Resources
15. *
*
What
is
it?
๏ Expanding/provisioning
applica)on
into
another
cloud
to
handle
peak
load.
Why
Should
one
care?
๏ Resource
peak
)me
can
be
off-‐loaded
to
third
party
clouds/resources
What
is
unique
about
it?
๏ Can
off-‐load
to
any
cloud
-‐
Private,
Public
and
Hybrid
๏ Easy
to
managed
with
the
model
of
LB
per
bus)ng
cloud
Cloud
Burs5ng
16. *
*
What
are
the
advantages?
๏ Make
DevOps
life
easy
๏ Low
TCO,
and
higher
u)liza)on
exis)ng
dedicated
resources
Cloud
Burs5ng...
17. *
*
How
detail
it
is?
๏ Instance
up/down
)me
๏ Each
and
every
instance
public
health
status
-‐
applica)on
health,
OS
health
like
load
average,
memory
consump)on
๏ Applica)on
logs
Why
should
one
care?
๏ Centralize
view
for
all
logging,
metering
and
monitoring
What
are
the
advantages?
๏ DevOps
life
easy
-‐
centralize
log
viewer
-‐
centralize
dashboard
๏ Easy
to
throYling
Logging,
Metering
and
Monitoring