Title: No Slide Title Author: ISFLAVIA Last modified by: 72953966 Created Date: 1/28/1999 3:41:02 AM Document presentation format: On-screen Show Company – PowerPoint PPT presentation
Title: Membangun Aplikasi E-Commerce dan Infrastruktur
1 Membangun Aplikasi E-Commerce dan Infrastruktur 2 Tujuan
Menggambarkan landscape dan framework pengembangan aplikasi EC
Menggambarkan proses arsitektur EC
3 Proses Pengembangan Aplikasi EC 4 Lanscape dan Framewaork pengembangan aplikasi EC
Proses Pengembangan
Langkah 1 Menciptakan arsitektur EC- pendekatan analisa sistem
Langkah 2 Menyeleksi pilihan pengembangan
Langkah 3 Meng-install, Mengkoneksikan dan lainnya
Langkah 4 Pengembangan
Langkah 5 Operasi dan pemeliharaan
5 Landscape dan Framework pengembangan aplikasi EC
Manajemen Proyek
Proses pengembangan adalah kompleks dan harus diatur dengan baik
Team dibentuk untuk mengatur proses dan vendor
Kerjasama dengan partner bisnis adalah kritis
Manajemen yang tepat termasuk evaluasi periodik dari performansi sistem
6 Mengembangkan arsitektur EC
6 Langkah pengembangan adalah
Langkah 1 Menentukan tujuan dan misi bisnis
Langkah 2 Menentukan arsitektur informasi
Langkah 3 Menentukan arsitektur data
Langkah 4 Menentukan arsitektur aplikasi
Langkah 5 Menentukan arsitektur teknikal EC
Langkah 6 Menentukan arsitektur organisasi
7 Strategi pengembangan untuk aplikasi EC
Membeli aplikasi (pendekatan turnkey)
Kerugian
SW tidak terlalu tepat dengan yang diinginkan
Diluar kontrol saat improvement dan upgrade versi
Susah integrasi
Vendor hanya menyerahkan produk dan diluar kepentingan kantor
Keuntungan
Availability of many off-the-shelf packages
Menghemat waktu
Kebutuhan sedikit personel dedicated
Bukan yang pertama dan hanya user
8 Strategi pengembangan untuk aplikasi EC
Lease / menyewa
Tipe vendor leasing
Lease / menyewa aplikasi dari outsource / pihak luar and install ke perusahaan
Menggunakan application system provider (ASP)
In-house development insourcing / pihak dalam
Pendekatan pengembangan
Membangun dari goresan / scratch
Membangun dari komponen / components
Metodologi Prototyping
9 Strategi pengembangan untuk aplikasi EC
Pilihan pengembangan lainnya
Join / bergabung an e-marketplace or exchange
Join/ bergabung a third-party or reverse auction
Joint ventures
Join a consortia
Hybrid approach
10 Outsourcing and Applications Service Providers
Outsourcing
Internet malls
ISPs
Telecommunication companies
Software houses
Outsourcers and others
11 Applications Service Providers
Keuntungan bagi vendor ASP
Perusahaan menghasilkan revenue dari beberapa sumber dibandingkan koneksi dan transport
Lucrative Web site hosting
Web design consulting
Hosted applications with access charges
12 Applications Service Providers
Keuntungan bagi perusahaan leasing
Hemat waktu dan pengeluaran yang bermacam-macam pada tahap awal pengembangan (co biaya tenaga kerja)
Mengurangi perbaikan software, upgrade aplikasi, dan waktu trainning
Mengurangi waktu ke market
Mampu meningkatkan adaptasi terhadap kondisi perubahan market
13 Table Keuntungan dan Resiko penggunaan ASP 14 Figure 12-10Web to Database Connection 15 Koneksi ke Databases, Legacy Systems, dan bisnis partner
Koneksi ke bisnis partner
Kritikal sukses EC, khususnya untuk aplikasi B2B
Hal-hal yang perlu disepakati
Connectivity
Compatibility
Security
Scalability
Critical! 16 Seleksi software dan vendor
Langkah-langkah dalam menyeleksi paket software
1 Identifikasi paket yang cocok
2 Menentukan kriteria evaluasi
3 Evaluasi paket kandidat
4 Memilih sebuah paket
5 Negosiasi kontrak
17 Seleksi software dan vendor
Identifikasi paket yang cocok
Sumber informasi dari paket
Hardware vendors
User groups
Technical and trade publications
Consultants experienced with an application area or industry
Friends and competitors
Evaluasi kriteria awal untuk memilih paket yang penting
18 Seleksi Software dan vendor
Menentukan kriteria evaluasi
Harus menentukan lebih detail yang harus kita ketahui dari paket dan bagaimana pentingnya setiap kriteria
Characteristics of the vendor
Functional requirements of the system
Technical requirements the software must satisfy
Amount and quality of documentation provided
Vendor support of package
19 Seleksi Software dan vendor
Menentukan kriteria evaluasi
Requirements for purchase (RFP) dikembangkan termasuk
Informasi tentang vendor
How long the vendor has been in the EC software business
Number of employees, financial and location of its sales and support offices
First release date of system being considered
Date of last revision
List of companies using the software to contact as references
20 Seleksi software dan vendor
Menentukan kriteria evaluasi
Tim proyek mengembangkan kebutuhan fungsi sistem harus bagus
Mandatory requirements
Desired features
Stated as questions about the characterizes of the package
Ease with which software can be tailored to fit companys current needs or enhanced in the future
21 Seleksi software dan vendor
Evaluasi paket kandidat
RFP dikirimkan ke vendor yang qualified
Menghasilkan informasi yang berguna untuk penentuan evaluasi
Gaps between the companys needs
Capabilities of the proposed application packages
Membantu penentuan paket mana, digunakan tabel
22 Seleksi software dan vendor Criteria Weights System A System B System C Support for Java standards XML SSL Shoppingcart Catalogs Taxation Personalization
23 Seleksi software dan vendor
Memilih paket saat daftarnya sudah disiapkan
Menentukan bagaimana paket dimodifikasi untuk menghilangkan perbedaan antara kebutuhan EC aplikasi perusahaan
Faktor yang paling penting adalah upaya pengembangan tambahan kebutuhan sistem
To companys needs
To integrate with companys environment
24 Seleksi software dan vendor
Memilih paket
People are likely to have to adapt to the software
Significant changes in how they do their jobs
Commitment is necessary for the system to succeed
Project team should verify that
Users of the system support the decision to buy the selected package and agree to make it work
IS people who will support the system agree that the system will work in their environment and that they can support is satisfactorily
25 Vendor and Software Selection (cont.)
Contract negotiation (EC managers and/or IS department)
Specifies the price of the software
Determines the type and amount of support to be provided
Integral part of purchase process
Companys power is in being able to choose another vendors product
Concessions from vendor must be negotiated before final decision on which package to buy
26 Vendor and Software Selection (cont.)
Service level agreements (SLAs)
Formal agreements regarding the division of work between a company and its vendors
SLA can achieve facilitation and coordination by
Defining the partners responsibilities
Providing a framework for designing support services
Allowing the company to retain as much control as possible over their own system
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