Instiq
Chapter 5 · System planning·v1.0.0·Updated 7/16/2026·~15 min

What's changed: Initial version

5.3Procurement planning & execution (RFI/RFP)

Key points

Covers the procurement order—RFI (request for information) to gather market and technical information, RFP (request for proposal) to present requirements and invite proposals, proposal evaluation, vendor selection, and contract—the items in an RFP, contract forms and the SLA and green procurement, and the judgment of preserving fairness by stating evaluation criteria in advance (e.g., issuing an RFI first when requirements are not yet fixed).

Once the system plan fixes the target scope, the products, services, and development to realize it are procured from outside. Procurement follows the order of gathering information, presenting requirements, evaluating proposals, selecting, and contracting, ensuring fairness, rather than ordering from a vendor on a whim. When requirements are not yet fixed, an RFI (request for information) gathers market, technical, and product information to raise requirement precision; once requirements are fixed, an RFP (request for proposal) presents them and invites proposals. This section covers the strategist's viewpoint of choosing between an RFI and an RFP, stating evaluation criteria in advance to keep vendor selection fair, and weaving in procurement conditions such as contract form, SLA, and green procurement.

5.3.1The RFI-to-RFP-to-evaluation-to-selection order

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