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diff --git a/src/hooks/dhcp/high_availability/ha_config_parser.h b/src/hooks/dhcp/high_availability/ha_config_parser.h
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+++ b/src/hooks/dhcp/high_availability/ha_config_parser.h
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+// Copyright (C) 2018 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef HA_CONFIG_PARSER_H
+#define HA_CONFIG_PARSER_H
+
+#include <ha_config.h>
+#include <cc/data.h>
+#include <cc/simple_parser.h>
+#include <string>
+
+namespace isc {
+namespace ha {
+
+/// @brief Configuration parser for High Availability.
+class HAConfigParser : public data::SimpleParser {
+public:
+
+    /// @brief Parses HA configuration.
+    ///
+    /// @param [out] config_storage Pointer to the object where parsed configuration
+    /// is going to be stored.
+    ///
+    /// @param config Specified configuration.
+    /// @throw ConfigError when parsing fails or configuration is invalid.
+    void parse(const HAConfigPtr& config_storage,
+               const data::ConstElementPtr& config);
+
+private:
+
+    /// @brief Parses HA configuration and can throw various exceptions..
+    ///
+    /// @param [out] config_storage Pointer to the object where parsed configuration
+    /// is going to be stored.
+    ///
+    /// @param config Specified configuration.
+    void parseInternal(const HAConfigPtr& config_storage,
+                       const data::ConstElementPtr& config);
+
+    /// @brief Validates and returns a value of the parameter.
+    ///
+    /// @param config configuration map from which the parameter should be
+    /// retrieved.
+    /// @param parameter_name parameter name to be fetched from the configuration.
+    /// @tparam T parameter type, e.g. @c uint16_t, @c uint32_t etc.
+    template<typename T>
+    T getAndValidateInteger(const data::ConstElementPtr& config,
+                            const std::string& parameter_name) const;
+
+    /// @brief Logs various information related to the successfully parsed
+    /// configuration.
+    ///
+    /// @param config_storage Pointer to the object where parsed configuration
+    /// is stored.
+    ///
+    /// One example of such information is a warning message indicating that
+    /// sending lease updates is disabled.
+    void logConfigStatus(const HAConfigPtr& config_storage) const;
+};
+
+} // end of namespace isc::ha
+} // end of namespace isc
+
+#endif