The following are snippets of Peering Policy Clauses found in the Peering Rules of the Road - A Brief Study of Peering Policies study.  Clauses were categorized and put into rough categories for comparison.

Here are the clauses we categorized as requirements for Monitoring and maintaining the interconnect

Excerpts from Peering Polices

Monitor and upgrade Interconnect

2.7. Each Network shall monitor the usage of all interconnection links. If the utilization of any single link should exceed 90% for a period of at least one hour for three consecutive days, the Networks shall work together to increase capacity or to reroute traffic in order to reduce utilization. – AboveNet

Both parties shall work quickly and diligently to establish additional capacity to accommodate traffic growth. – nLayer

Applicant must agree to participate in joint capacity reviews at pre-set intervals and work towards timely augments as identified. -  Comcast

Must be willing to upgrade interconnection capacity within 90 days when peak usage, for a time period greater than 10 business days, has surpassed 70% of a circuit's port capacity as well as participate in joint capacity reviews at pre-set intervals – Charter

Potential peer must be willing to upgrade interconnection capacity within 90 days when peak usage    has consistently, for a time period greater than 10 business days, surpassed 60% of any provisioned circuit's usable capacity. –Cablevision

Existing peers of AS7018 and AS7132 will have their peering status reviewed periodically to ensure joint capacity planning and to ensure that all criteria continue to be met. AT&T

Requirements met and Continue to be Met

The requirements in Part 1 must be met at the time the request for settlement-free interconnection with Verizon Business is made. – Verizon

All requirements of the Policy must continue to be met to continue a settlement-free interconnection relationship. Status under the policy will be evaluated periodically. In the case of a change in ownership or control of an Internet Network with which Verizon Business has an interconnection agreement, status under the policy will be evaluated within 30 days of such change. – Verizon

Verizon Business will continue to monitor the development of the Internet and traffic conditions and make appropriate changes in this Policy as the Internet continues to evolve. Verizon Business reserves the right to modify this Policy at any time. Any contractual rights shall arise out of a bilateral interconnection agreement, not this Policy. – Verizon

To ensure continued compliance with the SFI policy, status of all settlement-free peers will be reviewed once every six months. Peers who do not comply with published SFI policy will be given 30 days written notice to remedy the situation. – ATDN

All requirements must be met at the time the request for Peering is made, and must continue to be met for the duration of the interconnection. – nLayer

Applicant must agree to participate in joint capacity reviews at pre-set intervals and work towards timely augments as identified. – Comcast

All requirements of the Policy must continue to be met to continue a settlement-free interconnection relationship. Status under the policy will be evaluated periodically. In the case of a change in ownership or control of an Internet Network with which HWNG has an interconnection agreement, status under the Policy will be evaluated within 30 days of such change. – Highwinds

# Engage with New Edge Networks in joint capacity planning reviews for interconnection augmentation to accommodate traffic growth and minimize the possibility of latency or packet loss between both networks. – New Edge

All requirements must be met at the time the request for Peering is made, and must continue to be met for the duration of the interconnection. – WVFiber