VIRTUALISASI DAN CLOUD COMPUTING


1. Pengertian Virtualisasi

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πŸ“– Deskripsi

Virtualisasi adalah teknologi yang memungkinkan satu perangkat keras (hardware) menjalankan beberapa sistem operasi atau aplikasi secara bersamaan dalam bentuk virtual.

🧠 Narasi Penjelasan

Virtualisasi menciptakan lingkungan virtual (Virtual Machine/VM) sehingga satu server fisik bisa digunakan oleh banyak sistem sekaligus.

πŸ‘‰ Tujuannya adalah efisiensi penggunaan sumber daya.


2. Konsep Dasar Virtualisasi

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πŸ“– Deskripsi

Virtualisasi bekerja dengan lapisan abstraksi.

🧠 Narasi Penjelasan

Lapisan:

  • Hardware
  • Hypervisor
  • Virtual Machine

πŸ‘‰ Hypervisor menjadi penghubung utama.


3. Jenis Hypervisor

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πŸ“– Deskripsi

Hypervisor adalah software pengelola VM.

🧠 Narasi Penjelasan

πŸ“Š Tabel:

JenisPenjelasan
Type 1Langsung di hardware
Type 2Di atas OS

πŸ‘‰ Type 1 lebih efisien.


4. Virtual Machine (VM)

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πŸ“– Deskripsi

Lingkungan virtual yang menyerupai komputer nyata.

🧠 Narasi Penjelasan

VM memiliki:

  • OS sendiri
  • Aplikasi sendiri

πŸ‘‰ VM berjalan terisolasi satu sama lain.


5. Keuntungan Virtualisasi

πŸ“– Deskripsi

Manfaat utama virtualisasi.

🧠 Narasi Penjelasan

πŸ“Š Keuntungan:

KeuntunganPenjelasan
EfisiensiHemat hardware
FleksibilitasMudah konfigurasi
SkalabilitasMudah ditambah

6. Tantangan Virtualisasi

πŸ“– Deskripsi

Kendala dalam implementasi.

🧠 Narasi Penjelasan

  • Overhead sistem
  • Keamanan
  • Manajemen kompleks

7. Pengertian Cloud Computing

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πŸ“– Deskripsi

Cloud Computing adalah layanan komputasi melalui internet.

🧠 Narasi Penjelasan

Cloud memungkinkan pengguna:

  • Menyimpan data
  • Menjalankan aplikasi

πŸ‘‰ Tanpa harus memiliki hardware sendiri.


8. Model Layanan Cloud

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πŸ“– Deskripsi

Jenis layanan dalam cloud computing.

🧠 Narasi Penjelasan

πŸ“Š Tabel:

ModelFungsi
IaaSInfrastruktur
PaaSPlatform
SaaSAplikasi

πŸ‘‰ SaaS paling mudah digunakan.


9. Model Deployment Cloud

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πŸ“– Deskripsi

Cara cloud digunakan.

🧠 Narasi Penjelasan

πŸ“Š Jenis:

ModelPenjelasan
PublicUmum
PrivateInternal
HybridGabungan

10. Arsitektur Cloud Computing

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πŸ“– Deskripsi

Struktur sistem cloud.

🧠 Narasi Penjelasan

Komponen:

  • Front-end (user)
  • Back-end (server)

πŸ‘‰ Terhubung melalui internet.


11. Hubungan Virtualisasi dan Cloud

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πŸ“– Deskripsi

Virtualisasi adalah dasar cloud.

🧠 Narasi Penjelasan

Cloud menggunakan virtualisasi untuk:

  • Membagi resource
  • Menyediakan layanan

πŸ‘‰ Tanpa virtualisasi, cloud tidak efisien.


12. Keuntungan Cloud Computing

πŸ“– Deskripsi

Manfaat cloud computing.

🧠 Narasi Penjelasan

  • Akses mudah
  • Skalabilitas tinggi
  • Hemat biaya

13. Tantangan Cloud Computing

πŸ“– Deskripsi

Kendala penggunaan cloud.

🧠 Narasi Penjelasan

  • Keamanan data
  • Ketergantungan internet
  • Privasi

14. Contoh Penggunaan Cloud

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πŸ“– Deskripsi

Implementasi cloud di dunia nyata.

🧠 Narasi Penjelasan

Contoh:

  • Penyimpanan online
  • Streaming
  • Backup data

15. Kesimpulan

  • Virtualisasi memungkinkan banyak sistem dalam satu hardware
  • Cloud computing menyediakan layanan melalui internet
  • Keduanya saling berkaitan
  • Menjadi dasar teknologi modern

🎯 Latihan / Diskusi

  1. Apa perbedaan VM dan cloud?
  2. Jelaskan hypervisor!
  3. Apa keuntungan cloud computing?

πŸ“ Tugas

  • Buat simulasi VM sederhana
  • Analisis layanan cloud yang digunakan
  • Bandingkan public dan private cloud