Jaringan dalam Cloud (Cloud Networking)


🟒 1. Pengantar Jaringan dalam Cloud

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Jaringan dalam Cloud adalah sistem yang menghubungkan pengguna, layanan, dan sumber daya cloud melalui internet maupun jaringan virtual.

πŸ“Œ Tujuan:

  • Menghubungkan user ke layanan cloud
  • Mengamankan komunikasi data
  • Mengatur lalu lintas jaringan

πŸ” Narasi:

Tanpa jaringan, cloud tidak bisa diakses. Jaringan adalah β€œjalan raya digital” yang menghubungkan semua komponen cloud.


🟑 2. Konsep Dasar Jaringan Cloud

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πŸ“Š Konsep Penting:

KonsepPenjelasan
IP AddressIdentitas perangkat
SubnetPembagian jaringan
RoutingPengaturan jalur data
ProtocolAturan komunikasi

πŸ” Narasi:

Konsep jaringan di cloud mirip dengan jaringan tradisional, tetapi lebih fleksibel dan virtual.


🟑 3. Virtual Private Cloud (VPC)

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πŸ“Œ Definisi

VPC adalah jaringan virtual yang terisolasi dalam cloud.

πŸ“Œ Fungsi:

  • Mengatur IP
  • Membuat subnet
  • Mengontrol akses

πŸ” Narasi:

VPC seperti jaringan lokal (LAN), tetapi berada di cloud.


🟑 4. Subnet

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πŸ“Œ Jenis:

  • Public Subnet β†’ bisa diakses internet
  • Private Subnet β†’ hanya internal

πŸ” Narasi:

Subnet digunakan untuk membagi jaringan agar lebih aman dan terstruktur.


🟑 5. Internet Gateway & NAT Gateway

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πŸ“Œ Fungsi:

  • Internet Gateway β†’ akses masuk/keluar internet
  • NAT Gateway β†’ akses keluar dari private subnet

πŸ” Narasi:

Gateway adalah β€œgerbang” yang menghubungkan cloud dengan dunia luar.


🟑 6. Routing dalam Cloud

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πŸ“Œ Komponen:

  • Route Table
  • Destination IP
  • Next Hop

πŸ” Narasi:

Routing menentukan jalur terbaik agar data sampai ke tujuan.


🟑 7. Load Balancer

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πŸ“Œ Jenis:

  • Application Load Balancer
  • Network Load Balancer

πŸ” Narasi:

Load balancer menjaga agar server tidak kelebihan beban.


🟑 8. Firewall & Security Group

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πŸ“Œ Fungsi:

  • Mengontrol akses masuk/keluar
  • Melindungi dari serangan

πŸ” Narasi:

Firewall seperti satpam yang mengatur siapa yang boleh masuk.


🟑 9. VPN (Virtual Private Network)

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πŸ“Œ Fungsi:

  • Menghubungkan jaringan lokal ke cloud
  • Membuat koneksi aman

πŸ” Narasi:

VPN membuat jalur aman antara kantor dan cloud.


🟑 10. DNS (Domain Name System)

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πŸ“Œ Fungsi:

  • Menerjemahkan domain β†’ IP

πŸ” Narasi:

DNS seperti buku telepon internet.


🟑 11. Content Delivery Network (CDN)

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πŸ“Œ Fungsi:

  • Mempercepat akses
  • Menyimpan cache di lokasi terdekat

πŸ” Narasi:

CDN membuat website cepat diakses dari seluruh dunia.


🟑 12. Arsitektur Jaringan Cloud

User β†’ Internet β†’ Load Balancer β†’ VPC β†’ Subnet β†’ Server β†’ Database

πŸ” Narasi:

Semua komponen jaringan bekerja bersama untuk menghubungkan user ke layanan.


🟑 13. Studi Kasus

🎯 Kasus: Website Perusahaan

πŸ“Š Arsitektur:

  • Public subnet β†’ web server
  • Private subnet β†’ database
  • Load balancer β†’ distribusi traffic
  • Firewall β†’ keamanan

πŸ” Narasi:

Arsitektur ini meningkatkan keamanan dan performa.


🟑 14. Tutorial Praktikum

πŸŽ“ Praktikum: Membuat Jaringan Cloud

πŸ”Ή Langkah:

  1. Masuk ke Google Cloud Platform
  2. Buat VPC Network
  3. Buat subnet
  4. Tambahkan firewall rule
  5. Buat VM
  6. Hubungkan ke jaringan

πŸ” Tujuan:

Mahasiswa memahami bagaimana jaringan cloud dibangun dari nol.


🟒 15. Keunggulan Jaringan Cloud

  • Fleksibel
  • Aman
  • Skalabel
  • Global

🟒 16. Tantangan

  • Konfigurasi kompleks
  • Keamanan jaringan
  • Latensi

🟒 17. Kesimpulan

  • Jaringan adalah komponen penting dalam cloud
  • VPC, subnet, dan routing adalah inti jaringan
  • Keamanan jaringan sangat penting
  • Cloud networking lebih fleksibel dibanding jaringan tradisional

🎯 Latihan & Diskusi

  1. Apa fungsi VPC?
  2. Perbedaan public dan private subnet?
  3. Mengapa load balancer penting?
  4. Apa fungsi CDN?