Challenge And Opportunities For Li nux In Cloud Era · The challenges from Cloud • Now, container...
Transcript of Challenge And Opportunities For Li nux In Cloud Era · The challenges from Cloud • Now, container...
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HUAWEI TECHNOLOGIES CO., LTD.
www.huawei.com
Huawei Confidential
Security Level:
Challenge And Opportunities For Linux In Cloud Era
熊伟
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
Agenda
• New technologies drive OS to change
• The challenges from Cloud• The new appearance of OS in
Cloud• Q&A
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
New technologies drive OS to change
There are lots of techniques driving OS experiencing big changes
• New storage material and architecture.
• Many cores bring new thinking of Linux kernel
• Containers technology will bring big change to Linux distribution
model
• ARM64 may reform the chipset picture
Some clues show that OS may experience a overall change in next
decade.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
New technologies drive OS to change
• NVM, Flash, NAAD, NOR Flash, more and more new storage
tech appears.
The combination of storage and memory will be the top factor
which bring overturn in computer architecture.
• Now, 3D-xpoint bring the storage system to a new level,
Eventrally, When storage system is as fast as memory, the
boundary between storage and memory will dispear. That
will lead to a totally overturn in computer architecture, not
doubt including OS
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
New technologies drive OS to change
• Both Intel and ARM will pack more and
more cores in Soc, There will be 64 cores
in one Soc, Maybe 128 cores in the
future.
Many cores not only bring changes to kernel, but also impact on
how Linux runs on board.
• Linux can handle many cores, How
many is the maximum of current Linux
kernel? And what’s the next leap of
Linux kernel to support this trend.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
New technologies drive OS to change
• Container is hot and it will continue to be hot. it
may take most of VM markets finally.
Container will lead OS to change its release, maintain model
• When OS is decupled with app running
environments, there is no need to have so heavy
OS layer in cloud system. OS will become more
and lighter and thinner.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
New technologies drive OS to change
• ARM64 bring another windows to chipset eco
system.
Nobody can predict the future of ARM64 in Cloud era. Let’s keep
close eyes on it.
• ARM64, may or may not.
• The weak eco system block ARM64 to compete
with x86 platform
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
The challenges from Cloud
• How Linux OS running in Cloud is an interesting
topic, especially combining the technologies
mentioned above.
• Container
• Many cores
• ARM64
• …
Cloud will be the source of changes in Linux and OS industry.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
The challenges from Cloud
• Current Linux distribution is too big and heavy for
cloud era
So, Linux OS is becoming lighter and lighter, that will significantly
change the arch of Linux system, which include the upgrade way
and management way
• Most vendors have provide some light choice for
cloud system
• CoreOS
• Redhat : Atomic project
• Ubuntu : Snappy
• Vmware : photon
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
The challenges from Cloud
• Now, container is born for cloud, how can
container change the Linux, the kernel and upper
system.
Container may bring changes to the whole Linux kernel arch in the
future or even hardware design.
• Security is the key issue which block it can be
deployed in public cloud system.
• Can traditional chipset VM HW facility can
help it?
• Is it possible for new HW arch can help it?
• Is LibOS a suitable way to resolve the problem?
• Stone Brook bring another new idea.
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
The challenges from Cloud
• In cloud era, scale bring big challenges for OS
system. Imagine million of machine need to fix
security bug, How to achieve it? Is chaf and
puppet enough?
May OS easy to maintain and upgrade and Don’t stop me.
• Can we make Linux change itself on the flying?
Hot patch is a choice, but it’s far more perfect.
What’s the final solution?
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
The new appearance of OS
• When more and more cores and sockets packed
on board, current one machine may equal to
several machines in the past time. But system
still keep one. Is it reasonable?
Break a machine in several logic machine may be a good idea.
• Popcorn
• Jailhouse
• ….
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HUAWEI TECHNOLOGIES CO., LTD. Huawei Confidential
The new appearance of OS• Can we draw a rough picture of future Linux
platform. It’s very hard, Let’s make a try.
We may stand in the time of eve of change, Let welcome a new OS
era
• Small footprint, version control, RPM, Deb
pacakge management systems will be abandon.
• Most scenarios are containers than VM, security
issue is resolved by hardware and Linux kernel
new arch.
• Container can flow seamlessly in data center by
the OS facilities.
• APP has new start, stop state, it only has
checkpoint/resume state.
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