
<h2>Trends</h2>
<p>Cloud providers are investing in some of the following areas to increase efficiency and profitability:</p>
<ul>
  <li>NIC Offload</li>
  <li>ARM chips</li>
  <li>Bare Metal Instances</li>
  <li>GPU / APU / DPU for AI / ML / Data processing.</li>
  <li>VMware support</li>
  <li>containerized / serverless</li>
</ul>
<h2>Bare Metal</h2>
<p>bare metal = no hypervisor, no vmware; (instead can use KVM or Kubevirt.)</p>
<h2>ARM for Servers</h2>
<ul>
  <li>AWS Graviton</li>
  <li>Ampere Altra:
    <ul>
      <li>Customers: Oracle, Microsoft Azure and Google Cloud Platform, HPE</li>
    </ul>
  </li>
</ul>
<h2>NIC offload</h2>
<p>(NIC based encryption for RPC)</p>
<p>Why?</p>
<ul>
  <li>integrity, privacy</li>
  <li>improve RPC performance (QPS, bandwidth and latency)</li>
  <li>improve disk performance</li>
  <li>reduce CPU and memory usage</li>
  <li>reduce power usage for crypto operations</li>
</ul>
<h2>Servers vs Services</h2>
<p>Servers are long-lived pieces of software that provide services. A server is a collection of running services. The most common kinds of services: HTTP and RPC request-handling services.</p>
<h2>Server Traffic management</h2>
<ul>
  <li>load balancing</li>
  <li>load shedding (throttling)</li>
  <li>RPC client behaviors</li>
</ul>
<h2>Integration Patterns</h2>
<ul>
  <li>API: contract driven</li>
  <li>Event Driven</li>
  <li>Data Stream Driven</li>
</ul>


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