diff --git a/switchq/storage.go b/switchq/storage.go
new file mode 100644
index 0000000..d4ec36d
--- /dev/null
+++ b/switchq/storage.go
@@ -0,0 +1,113 @@
+package main
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/url"
+	"os"
+	"strings"
+	"time"
+)
+
+func NewStorage(spec string) (Storage, error) {
+	u, err := url.Parse(spec)
+	if err != nil {
+		return nil, err
+	}
+	switch u.Scheme {
+	case "memory":
+		return NewMemoryStorage(u)
+	default:
+	}
+	return nil, fmt.Errorf("Unknown storage scheme specified, '%s'", u.Scheme)
+}
+
+type Storage interface {
+	Switchq(mac string) (bool, error)
+	LastMACCheck(mac string) (*time.Time, error)
+	MarkMACCheck(mac string, when *time.Time) error
+	LastProvisioned(mac string) (*time.Time, error)
+	MarkProvisioned(mac string, when *time.Time) error
+}
+
+type VendorRec struct {
+	Prefix    string `json:"prefix"`
+	Vendor    string `json:"vendor"`
+	Provision bool   `json:"provision"`
+}
+
+type MemoryStorage struct {
+	Vendors map[string]VendorRec
+	Checks  map[string]time.Time
+	Times   map[string]time.Time
+}
+
+func NewMemoryStorage(u *url.URL) (Storage, error) {
+
+	s := MemoryStorage{}
+	s.Vendors = make(map[string]VendorRec)
+
+	if u.Path != "" {
+		file, err := os.Open(u.Path)
+		if err != nil {
+			return nil, err
+		}
+		defer file.Close()
+
+		data := make([]VendorRec, 0)
+		decoder := json.NewDecoder(file)
+		err = decoder.Decode(&data)
+		if err != nil {
+			return nil, err
+		}
+		for _, rec := range data {
+			s.Vendors[rec.Prefix] = rec
+		}
+		log.Printf("[debug] %v", s.Vendors)
+
+	} else {
+		log.Printf("[warn] no vendors have been set, no switches will be provisioned")
+	}
+	return &s, nil
+}
+
+func (s *MemoryStorage) Switchq(mac string) (bool, error) {
+	if len(mac) < 8 {
+		return false, nil
+	}
+	rec, ok := s.Vendors[strings.ToUpper(mac[0:8])]
+	if !ok || !rec.Provision {
+		return false, nil
+	}
+
+	return true, nil
+}
+
+func (s *MemoryStorage) LastMACCheck(mac string) (*time.Time, error) {
+	when, ok := s.Checks[mac]
+	if !ok {
+		return nil, nil
+	}
+	result := when
+	return &result, nil
+}
+
+func (s *MemoryStorage) MarkMACCheck(mac string, when *time.Time) error {
+	s.Checks[mac] = *when
+	return nil
+}
+
+func (s *MemoryStorage) LastProvisioned(mac string) (*time.Time, error) {
+	when, ok := s.Times[mac]
+	if !ok {
+		return nil, nil
+	}
+	result := when
+	return &result, nil
+}
+
+func (s *MemoryStorage) MarkProvisioned(mac string, when *time.Time) error {
+	s.Times[mac] = *when
+	return nil
+}