The best three leading metrics to help NTO measure each reseller's goals through the Partner Community are logins into Partner Community, number of quotes generated, and opportunities generated. These metrics will give NTO early feedback on how theportal is being used by their partners and will provide insight into their success in using the Partner Community. Product types sold and opportunity win rates are lagging metrics and may not provide timely feedback on the success of the Partner Community.
Leading metrics are indicators that show what's happening and can have real-time impact on your bottom line12.
Lagging metrics are indicators that show the outcome of what happened in a previous time period12.
Leading metrics are useful for predicting future performance and making adjustments, while lagging metrics are useful for evaluating past performance and setting goals34.
To measure each reseller's performance in Northern Trail Outfitters' Partner Community effectively, focusing on leading metrics such as opportunities generated, number of quotes generated, and logins into the Partner Community provides early indicators of engagement and potential sales success. These metrics offer insights into the resellers' active participation and their potential impact on sales, allowing NTO to identify trends and address issues proactively. Leading metrics, unlike lagging metrics, provide real-time data that can inform strategic decisions and adjustments in the channel sales strategy, aligning with best practices for performance measurement and partner management in Salesforce communities.

According to 1, a single source of truth (SSOT) is the practice of aggregating the data from many systems within an organization to a single location. A SSOT is not a system, tool, or strategy, but rather a state of being for a company's data in that it can all be found via a single reference point.
According to 2, 3 and 4, Salesforce has introduced the Customer 360 Truth Platform, which includes MuleSoft. This is a new set of data and identity services that enable companies to build a single source of truth across all of their customer relationships. This connects data from all Salesforce clouds to create a single view of the customer.
MuleSoft Anypoint Platform is an integration platform that allows companies to connect any application, data source or device using APIs. MuleSoft enables companies to leverage their existing systems and data sources without having to replace them or create custom integrations.

Sales Cloud can help UC manage its direct sales team and track opportunities and revenue.
B2B Commerce can help UC provide its partners with access to its product catalog and enable them to make bulk purchases online.
Partner Relationship Management (PRM) can help UC offer discounts to partners who make large purchases, provide them with reports detailing their sales, and allow them to collaborate with UC sales representatives12.

To address performance issues at Northern Trail Outfitters, developing an archiving strategy for older order records can significantly improve system responsiveness by reducing the volume of data actively queried and processed. Additionally, leveraging external objects to manage order data, especially for historical or less frequently accessed records, can further alleviate the load on Salesforce's core databases, improving performance for both internal users and B2B Commerce customers.

For optimal performance and data access control, the Solution Architect should:
A) Use profiles and/or permission sets to give View All access to Customer Service on the Contact object. This allows Customer Service to access the necessary contact information while maintaining the principle of least privilege.
D) For each Account, assign Sales Contacts to the Sales team and all the rest to a Customer Service representative assigned to the Account. This approach ensures that each team has access to the relevant contacts while keeping private information secure and maintaining system performance by minimizing complex sharing rules.
Salesforce's documentation on sharing and visibility best practices recommends such strategies to manage access to records efficiently and securely.
https://trailhead.salesforce.com/en/credentials/sharingandvisibilityarchitect